/*
 * Copyright (c) 2000, 2020 Oracle and/or its affiliates. All rights reserved.
 * Copyright (c) 2020, 2021 Contributors to Eclipse Foundation
 * Copyright (c) 2020 Payara Services Ltd.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

/*
 */

package com.sun.messaging.jmq.jmsserver.core;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import com.sun.messaging.jmq.jmsserver.DMQ;
import com.sun.messaging.jmq.util.DestType;
import com.sun.messaging.jmq.util.SupportUtil;
import com.sun.messaging.jmq.util.ServiceType;
import com.sun.messaging.jmq.util.selector.*;
import com.sun.messaging.jmq.util.DestLimitBehavior;
import com.sun.messaging.jmq.util.DestScope;
import com.sun.messaging.jmq.util.UID;
import com.sun.messaging.jmq.util.GoodbyeReason;
import com.sun.messaging.jmq.io.Packet;
import com.sun.messaging.jmq.io.PacketType;
import com.sun.messaging.jmq.io.SysMessageID;
import com.sun.messaging.jmq.io.InvalidSysMessageIDException;
import com.sun.messaging.jmq.io.InvalidPacketException;
import com.sun.messaging.jmq.jmsserver.Globals;
import com.sun.messaging.jmq.jmsserver.service.ConnectionUID;
import com.sun.messaging.jmq.jmsserver.service.Connection;
import com.sun.messaging.jmq.jmsserver.service.imq.IMQBasicConnection;
import com.sun.messaging.jmq.jmsserver.service.ConnectionManager;
import com.sun.messaging.jmq.jmsserver.util.BrokerException;
import com.sun.messaging.jmq.jmsserver.util.PartitionNotFoundException;
import com.sun.messaging.jmq.jmsserver.util.ConflictException;
import com.sun.messaging.jmq.jmsserver.config.*;
import com.sun.messaging.jmq.jmsserver.util.lists.AddReason;
import com.sun.messaging.jmq.jmsserver.util.lists.RemoveReason;
import com.sun.messaging.jmq.jmsserver.util.TransactionAckExistException;
import com.sun.messaging.jmq.jmsserver.data.TransactionUID;
import com.sun.messaging.jmq.jmsserver.data.handlers.RefCompare;
import com.sun.messaging.jmq.jmsserver.data.TransactionList;
import com.sun.messaging.jmq.jmsserver.data.TransactionState;
import com.sun.messaging.jmq.jmsserver.data.TransactionAcknowledgement;
import com.sun.messaging.jmq.jmsserver.persist.api.Store;
import com.sun.messaging.jmq.jmsserver.persist.api.PartitionedStore;
import com.sun.messaging.jmq.jmsserver.persist.api.TxnLoggingStore;
import com.sun.messaging.jmq.jmsserver.persist.api.NoPersistPartitionedStoreImpl;
import com.sun.messaging.jmq.jmsserver.persist.api.LoadException;
import com.sun.messaging.jmq.jmsserver.persist.api.PartitionListener;
import com.sun.messaging.jmq.jmsserver.cluster.api.ClusterBroadcast;
import com.sun.messaging.jmq.jmsserver.cluster.api.ClusteredBroker;
import com.sun.messaging.jmq.jmsserver.cluster.api.BrokerStatus;
import com.sun.messaging.jmq.util.log.Logger;
import com.sun.messaging.jmq.util.SizeString;
import com.sun.messaging.jmq.io.Status;
import com.sun.messaging.jmq.jmsserver.resources.BrokerResources;

import com.sun.messaging.jmq.jmsserver.management.agent.Agent;

import com.sun.messaging.jmq.util.lists.*;

import java.util.*;
import java.io.*;

/**
 */
public final class DestinationList implements ConnToPartitionStrategyContext {
    static boolean DEBUG = false;

    static final boolean DEBUG_CLUSTER = Globals.getConfig().getBooleanProperty(Globals.IMQ + ".cluster.debug.ha")
            || Globals.getConfig().getBooleanProperty(Globals.IMQ + ".cluster.debug.txn")
            || Globals.getConfig().getBooleanProperty(Globals.IMQ + ".cluster.debug.msg");

    static final String DEBUG_LISTS_PROP = Globals.IMQ + ".lists.debug";
    static boolean DEBUG_LISTS = Globals.getConfig().getBooleanProperty(DEBUG_LISTS_PROP);

    static final boolean NO_PRODUCER_FLOW = Globals.getConfig().getBooleanProperty(Globals.IMQ + ".noProducerFlow", false);

    /**
     * default consumer prefetch value
     */
    static final int DEFAULT_PREFETCH = 1000;

    static final boolean PERSIST_SYNC = Globals.getConfig().getBooleanProperty(Globals.IMQ + ".persist.file.sync.enabled", false);

    /**
     * default maximum number of producers/destination
     */
    public static final int DEFAULT_MAX_PRODUCERS = 100;

    public static final int UNLIMITED = -1;

    /**
     * default maximum size of a destination
     */
    private static final int DEFAULT_DESTINATION_SIZE = 100000;

    private static final int ALL_DESTINATIONS_MASK = 0;
    private static final int TEMP_DESTINATIONS_MASK = DestType.DEST_TEMP;

    private static final String AUTO_QUEUE_STR = Globals.IMQ + ".autocreate.queue";
    private static final String AUTO_TOPIC_STR = Globals.IMQ + ".autocreate.topic";
    private static final String DST_REAP_STR = Globals.IMQ + ".autocreate.reaptime";
    private static final String MSG_REAP_STR = Globals.IMQ + ".message.expiration.interval";

    private static final String CHECK_MSGS_RATE_AT_DEST_CAPACITY_RATIO_PROP = Globals.IMQ + ".cluster.prefetch.checkMsgRateAtCapacityRatio";

    static int CHECK_MSGS_RATE_AT_DEST_CAPACITY_RATIO = Globals.getConfig().getIntProperty(CHECK_MSGS_RATE_AT_DEST_CAPACITY_RATIO_PROP, 50);

    private static final String CHECK_MSGS_RATE_FOR_ALL_PROP = Globals.IMQ + ".cluster.prefetch.checkMsgRateAll";

    static boolean CHECK_MSGS_RATE_FOR_ALL = Globals.getConfig().getBooleanProperty(CHECK_MSGS_RATE_FOR_ALL_PROP, false);

    private static final long DEFAULT_TIME = 120;

    private static boolean ALLOW_QUEUE_AUTOCREATE = Globals.getConfig().getBooleanProperty(AUTO_QUEUE_STR, true);

    private static boolean ALLOW_TOPIC_AUTOCREATE = Globals.getConfig().getBooleanProperty(AUTO_TOPIC_STR, true);

    static long AUTOCREATE_EXPIRE = Globals.getConfig().getLongProperty(DST_REAP_STR, DEFAULT_TIME) * 1000;

    static long MESSAGE_EXPIRE = Globals.getConfig().getLongProperty(MSG_REAP_STR, DEFAULT_TIME) * 1000;

    private static List<PartitionListener> partitionListeners = new ArrayList<>();

    static {
        if (Globals.getLogger().getLevel() <= Logger.DEBUG) {
            DEBUG = true;
        }

        if (DEBUG) {
            Globals.getLogger().log(Logger.INFO, "Syncing message store: " + PERSIST_SYNC);
        }

        if (NO_PRODUCER_FLOW) {
            Globals.getLogger().log(Logger.INFO, "Producer flow control is turned off ");
        }
    }

    /**
     * maximum size of a batch of messages/producer
     */
    public static final int DEFAULT_MAX_PRODUCER_BATCH = 1000;

    public static final int MAX_PRODUCER_BATCH = Globals.getConfig().getIntProperty(Globals.IMQ + ".producer.maxBatch", DEFAULT_MAX_PRODUCER_BATCH);

    public static final int MAX_PRODUCER_BYTES_BATCH = -1;

    private static final String AUTO_MAX_NUM_MSGS = Globals.IMQ + ".autocreate.destination.maxNumMsgs";
    private static final String AUTO_MAX_TOTAL_BYTES = Globals.IMQ + ".autocreate.destination.maxTotalMsgBytes";
    private static final String AUTO_MAX_BYTES_MSG = Globals.IMQ + ".autocreate.destination.maxBytesPerMsg";
    public static final String AUTO_MAX_NUM_PRODUCERS = Globals.IMQ + ".autocreate.destination.maxNumProducers";
    private static final String AUTO_LOCAL_ONLY = Globals.IMQ + ".autocreate.destination.isLocalOnly";
    private static final String AUTO_LIMIT_BEHAVIOR = Globals.IMQ + ".autocreate.destination.limitBehavior";

    static int defaultMaxMsgCnt = Globals.getConfig().getIntProperty(AUTO_MAX_NUM_MSGS, DEFAULT_DESTINATION_SIZE);

    static int defaultProducerCnt = Globals.getConfig().getIntProperty(AUTO_MAX_NUM_PRODUCERS, DEFAULT_MAX_PRODUCERS);

    private static final long _defKByteDMQCapacity = 10 * 1024L;
    private static final long _defKByteCapacity = 10 * 1024 * 1024L;
    static SizeString defaultMaxMsgBytes = Globals.getConfig().getSizeProperty(AUTO_MAX_TOTAL_BYTES, _defKByteCapacity);

    private static final long _defKBytePerMsg = 10 * 1024L;
    static SizeString defaultMaxBytesPerMsg = Globals.getConfig().getSizeProperty(AUTO_MAX_BYTES_MSG, _defKBytePerMsg);

    static boolean defaultIsLocal = Globals.getConfig().getBooleanProperty(AUTO_LOCAL_ONLY, false);

    static int defaultLimitBehavior = DestLimitBehavior.getStateFromString(Globals.getConfig().getProperty(AUTO_LIMIT_BEHAVIOR, "REJECT_NEWEST"));

    // DEAD MESSAGE QUEUE PROPERTIES

    public static final String USE_DMQ_STR = Globals.IMQ + ".autocreate.destination.useDMQ";

    private static final String TRUNCATE_BODY_STR = Globals.IMQ + ".destination.DMQ.truncateBody";

    private static final String LOG_MSGS_STR = Globals.IMQ + ".destination.logDeadMsgs";

    public static final boolean defaultUseDMQ = Globals.getConfig().getBooleanProperty(USE_DMQ_STR, true);

    private static final boolean defaultTruncateBody = Globals.getConfig().getBooleanProperty(TRUNCATE_BODY_STR, false);

    private static final boolean defaultVerbose = Globals.getConfig().getBooleanProperty(LOG_MSGS_STR, false);

    private static final String DMQ_NAME = "mq.sys.dmq";

    static boolean autocreateUseDMQ = defaultUseDMQ;
    private static boolean storeBodyWithDMQ = !defaultTruncateBody;
    private static boolean verbose = defaultVerbose;

    private static final String SYSTEM_MAX_SIZE = Globals.IMQ + ".system.max_size";
    private static final String SYSTEM_MAX_COUNT = Globals.IMQ + ".system.max_count";
    public static final String MAX_MESSAGE_SIZE = Globals.IMQ + ".message.max_size";

    public static final String MIN_CONN_STRATEGY = "MIN_CONN";
    public static final String RR_CONN_STRATEGY = "ROUND_ROBIN";
    public static final String CONN_STRATEGY_PROP = Globals.IMQ + ".connection.loadBalanceToPartitionStrategy";
    public static final String CONN_STRATEGY_DEFAULT = MIN_CONN_STRATEGY;
    public static final String MIN_CONN_STRATEGY_CLASS = "com.sun.messaging.jmq.jmsserver.core.MinConnToPartitionStrategy";
    public static final String RR_CONN_STRATEGY_CLASS = "com.sun.messaging.jmq.jmsserver.core.RRConnToPartitionStrategy";

    private static ConnToPartitionStrategy partitionStrategy = null;

    /**
     * maximum size of any message (in bytes)
     */
    private static SizeString individual_max_size = null;

    /**
     * memory max
     */
    private static SizeString max_size = null;

    /**
     * message max
     */
    private static long message_max_count = 0;

    private static Object totalcntLock = new Object();

    /**
     * current size in bytes of total data
     */
    private static long totalbytes = 0;

    /**
     * current size of total data
     */
    private static int totalcnt = 0;
    private static int totalcntNonPersist = 0;

    private static boolean inited = false;
    private static boolean shutdown = false;

    static final Map<PartitionedStore, DestinationList> destinationListList = Collections
            .synchronizedMap(new LinkedHashMap<PartitionedStore, DestinationList>());

    private static DestinationList DL = Globals.getDestinationList();

    private static PartitionedStore ADMINP = new NoPersistPartitionedStoreImpl(PartitionedStore.ADMIN_UID);
    private static PartitionedStore REMOTEP = new NoPersistPartitionedStoreImpl(PartitionedStore.REMOTE_UID);

    private ArrayList<ConnectionUID> connections = new ArrayList<>();

    private Object destinationListLock = new Object();
    private boolean valid = true;
    private boolean destsLoaded = false;

    Queue deadMessageQueue = null;

    /**
     * list of messages to destination
     */
    private final Map<SysMessageID, Set<PacketListDMPair>> packetlist = Collections.synchronizedMap(new HashMap<SysMessageID, Set<PacketListDMPair>>());

    final Map destinationList = Collections.synchronizedMap(new HashMap());

    private Logger logger = Globals.getLogger();
    private BrokerResources br = Globals.getBrokerResources();

    private PartitionedStore pstore = null;
    private TransactionList translist = null;

    private static boolean partitionModeInited = false;
    private static boolean partitionMode = false;
    private static boolean partitionMigratable = false;
    private String logsuffix = "";

    private static final String PARTITION_LOCK_TIMEOUT_PROP = Globals.IMQ + ".partition.lockTimeout";
    private static final long PARTITION_LOCK_TIMEOUT_DEFAULT = 300L; // seconds
    private static long partitionLockTimeout = Globals.getConfig().getLongProperty(PARTITION_LOCK_TIMEOUT_PROP, PARTITION_LOCK_TIMEOUT_DEFAULT);
    private static ReentrantReadWriteLock partitionLock = new ReentrantReadWriteLock();
    private static Lock partitionShareLock = partitionLock.readLock();
    private static Lock partitionExclusiveLock = partitionLock.writeLock();

    private static ExecutorService partitionMonitor = Executors.newSingleThreadExecutor();

    private Object subscriptionLock = new Object();
    private boolean duraSubscriptionInited = false;
    private boolean nonDuraSharedSubscriptionInited = false;

    /**
     * Only to be called from CoreLifecycle - the singleton DL
     */
    public DestinationList() {
    }

    DestinationList(PartitionedStore partition) {
        pstore = partition;
        if (partitionMode) {
            logsuffix = " [" + pstore + "]";
        }
    }

    public static PartitionedStore getAdminPartition() {
        return ADMINP;
    }

    public static PartitionedStore getRemotePartition() {
        return REMOTEP;
    }

    @Override
    public PartitionedStore getPartitionedStore() {
        return pstore;
    }

    public static void translistPostProcess(PartitionedStore ps) {
        DestinationList dl = null;
        if (ps != null) {
            dl = destinationListList.get(ps);
            dl.getTransactionList().postProcess();
            return;
        }
        ArrayList list = null;
        synchronized (destinationListList) {
            list = new ArrayList(destinationListList.values());
        }
        Iterator<DestinationList> itr = list.iterator();
        while (itr.hasNext()) {
            itr.next().getTransactionList().postProcess();
        }
    }

    public static TransactionList[] getTransactionList(PartitionedStore ps) {
        DestinationList dl = null;
        if (ps != null) {
            dl = destinationListList.get(ps);
            if (dl == null) {
                return new TransactionList[] { null };
            }
            return new TransactionList[] { dl.getTransactionList() };
        }
        int i = 0;
        synchronized (destinationListList) {
            int sz = destinationListList.size();
            TransactionList[] tls = new TransactionList[(sz == 0 ? 1 : sz)];
            tls[0] = null;
            Iterator<DestinationList> itr = destinationListList.values().iterator();
            while (itr.hasNext()) {
                tls[i++] = itr.next().getTransactionList();
            }
            return tls;
        }
    }

    TransactionList getTransactionList() {
        return translist;
    }

    public void setTransactionList(TransactionList tlist) {
        translist = tlist;
    }

    public static void storeBodyInDMQ(boolean store) {
        storeBodyWithDMQ = store;
    }

    public static boolean getStoreBodyInDMQ() {
        return storeBodyWithDMQ;
    }

    public static void setVerbose(boolean v) {
        verbose = v;
    }

    public static boolean getVerbose() {
        return verbose;
    }

    public static Queue[] getDMQ(PartitionedStore ps) {
        DestinationList dl = null;
        if (ps != null) {
            dl = destinationListList.get(ps);
            return new Queue[] { dl.getDMQ() };
        }
        int i = 0;
        synchronized (destinationListList) {
            int sz = destinationListList.size();
            Queue[] qs = new Queue[(sz == 0 ? 1 : sz)];
            qs[0] = null;
            Iterator<DestinationList> itr = destinationListList.values().iterator();
            while (itr.hasNext()) {
                qs[i] = itr.next().getDMQ();
            }
            return qs;
        }
    }

    Queue getDMQ() {
        if (pstore == null) {
            throw new RuntimeException("IllegalStateException: " + "DestinationList.getDMQ: no store partition set");
        }
        return deadMessageQueue;
    }

    private synchronized Queue createDMQ() throws BrokerException, IOException {

        if (pstore == null) {
            throw new RuntimeException("IllegalStateException: " + "DestinaionList.createDMQ: no store partition set");
        }

        DestinationUID uid = DestinationUID.getUID(DMQ_NAME, true);

        Queue dmq = null;
        dmq = (Queue) destinationList.get(uid);
        try {
            if (dmq == null) {
                Globals.getLogger().log(Logger.INFO, BrokerResources.I_DMQ_CREATING_DMQ);
                dmq = (Queue) createDestination(DMQ_NAME, DestType.DEST_TYPE_QUEUE | DestType.DEST_DMQ, true, false, null, false, false);
                dmq.maxProducerLimit = 0;
                dmq.scope = (Globals.getHAEnabled() ? DestScope.CLUSTER : DestScope.LOCAL);
                dmq.msgSizeLimit = null;
                dmq.setLimitBehavior(DestLimitBehavior.REMOVE_OLDEST);
                dmq.setByteCapacity(new SizeString(_defKByteDMQCapacity));
                dmq.setCapacity(1000);
                dmq.maxPrefetch = 1000;
                // deal with remaining properties
                dmq.isDMQ = true;
                dmq.useDMQ = false;
                dmq.update();
            }
        } catch (BrokerException ex) {
            if (ex.getStatusCode() == Status.CONFLICT) {
                // another broker may have created this while we were loading
                Globals.getLogger().logStack(Logger.DEBUG, "Another broker may have created the DMQ, reloading", ex);
                dmq = (Queue) pstore.getDestination(uid);
                if (dmq == null) {
                    ex.overrideStatusCode(Status.ERROR);
                    throw ex;
                }
                dmq.setDestinationList(this);
            } else {
                throw ex;
            }
        }
        dmq.load(true, null, null);
        return dmq;
    }

    public static boolean removeDeadMessage(PartitionedStore ps, SysMessageID sysid, String comment, Throwable exception, int deliverCnt, Reason r,
            String broker) throws IOException, BrokerException {

        PacketReference ref = get(ps, sysid);
        Destination d = ref.getDestination();
        return d.removeDeadMessage(ref, comment, exception, deliverCnt, r, broker);
    }

    public static void routeMoveAndForwardMessage(PacketReference oldRef, PacketReference newRef, Destination target) throws IOException, BrokerException {

        boolean route = target.queueMessage(newRef, false);
        if (route) {
            // we have space ... move the message in a single command
            Set s = target.routeAndMoveMessage(oldRef, newRef);
            if (s != null) {
                target.forwardMessage(s, newRef);
            }
        }
    }

    static int calcProducerBatchCnt(int destSize, int producers) {

        if (destSize == -1) {
            return MAX_PRODUCER_BATCH;
        }

        int p = producers;
        if (p <= 0) {
            p = DEFAULT_MAX_PRODUCERS;
        }

        int val = destSize / p;

        if (val <= 0) {
            val = 1;
        }

        if (val > MAX_PRODUCER_BATCH) {
            return MAX_PRODUCER_BATCH;
        }

        return val;
    }

    static long calcProducerBatchBytes(long destSize, int producers) {

        if (destSize == -1) {
            return -1;
        }

        int p = producers;
        if (p <= 0) {
            p = DEFAULT_MAX_PRODUCERS;
        }

        long val = destSize / p;

        if (val <= 0) {
            val = 1;
        }

        if (MAX_PRODUCER_BYTES_BATCH != -1 && val > MAX_PRODUCER_BYTES_BATCH) {
            return MAX_PRODUCER_BYTES_BATCH;
        }

        return val;
    }

    public static void resetAllMetrics(PartitionedStore ps) {
        DestinationList dl = null;
        if (ps != null) {
            dl = destinationListList.get(ps);
            dl.resetAllMetrics();
            return;
        }
        synchronized (destinationListList) {
            Iterator<DestinationList> itr = destinationListList.values().iterator();
            while (itr.hasNext()) {
                dl = itr.next();
                dl.resetAllMetrics();
            }
        }
    }

    private void resetAllMetrics() {
        Iterator itr = getAllDestinations(ALL_DESTINATIONS_MASK);
        while (itr.hasNext()) {
            Destination d = (Destination) itr.next();
            d.resetMetrics();
        }
    }

    @Override
    public String toString() {
        return (partitionMode ? "[" + pstore + "]" : super.toString());
    }

    public String toLongString() {
        return "DestinationList[" + pstore + "]valid=" + valid + ",loaded=" + destsLoaded;
    }

    public static Hashtable getAllDebugState() {
        Hashtable ht = new Hashtable();
        ht.put("TABLE", "All Destinations");
        ht.put("maxMsgSize", (individual_max_size == null ? "null" : individual_max_size.toString()));
        ht.put("maxTotalSize", (max_size == null ? "null" : max_size.toString()));
        ht.put("maxCount", String.valueOf(message_max_count));
        ht.put("totalBytes", String.valueOf(totalbytes));
        ht.put("totalCnt", String.valueOf(totalcnt));
        ht.put("totalCntNonPersist", String.valueOf(totalcntNonPersist));
        ht.put("sync", String.valueOf(PERSIST_SYNC));
        ht.put("noProducerFlow", String.valueOf(NO_PRODUCER_FLOW));
        ht.put("autoCreateTopics", String.valueOf(ALLOW_TOPIC_AUTOCREATE));
        ht.put("autoCreateQueue", String.valueOf(ALLOW_QUEUE_AUTOCREATE));
        ht.put("messageExpiration", String.valueOf(MESSAGE_EXPIRE));
        ht.put("producerBatch", String.valueOf(MAX_PRODUCER_BATCH));
        ht.put("QueueSpecific", Queue.getAllDebugState());

        ArrayList dls = null;
        synchronized (destinationListList) {
            dls = new ArrayList(destinationListList.keySet());
        }
        ht.put("partitionedStoreCnt", String.valueOf(dls.size()));
        Iterator itr = dls.iterator();
        PartitionedStore ps = null;
        DestinationList dl = null;
        while (itr.hasNext()) {
            ps = (PartitionedStore) itr.next();
            dl = destinationListList.get(ps);
            ht.put(ps.toString(), dl.getDebugState());
        }
        return ht;
    }

    public Hashtable getDebugState() {
        Hashtable ht = new Hashtable();
        ht.put("partitionedStore", (pstore == null ? "null" : pstore.toString()));
        ht.put("msgCnt", (packetlist == null ? "null" : String.valueOf(packetlist.size())));
        Hashtable destInfo = new Hashtable();
        if (destinationList != null) {
            ArrayList dlist = null;
            synchronized (destinationList) {
                dlist = new ArrayList(destinationList.keySet());
            }
            ht.put("destinationCnt", String.valueOf(dlist.size()));
            Iterator itr = dlist.iterator();
            while (itr.hasNext()) {
                DestinationUID duid = (DestinationUID) itr.next();
                Destination d = getDestination(duid);
                if (d == null) {
                    destInfo.put(duid.getLocalizedName(), "Unknown");
                } else {
                    destInfo.put(duid.getLocalizedName(), d.getDebugState());
                }
            }
        } else {
            ht.put("destinationCnt", "null");
        }
        ht.put("destinations", destInfo);
        return ht;
    }

    public static void remoteCheckMessageHomeChange(PacketReference ref, BrokerAddress broker) {
        BrokerAddress addr = ref.getBrokerAddress();
        if (addr != null && addr.equals(broker)) {
            return;
        }

        Set destroyConns = new HashSet();
        Map cc = ref.getRemoteConsumerUIDs();
        Consumer consumer = null;
        ConsumerUID cuid = null;
        Iterator citr = cc.entrySet().iterator();
        Map.Entry me = null;
        while (citr.hasNext()) {
            me = (Map.Entry) citr.next();
            cuid = (ConsumerUID) me.getKey();
            consumer = Consumer.getConsumer(cuid);
            if (consumer == null) {
                continue;
            }
            if (consumer.tobeRecreated()) {
                destroyConns.add(me.getValue());
            }
        }
        destroyConnections(destroyConns, GoodbyeReason.MSG_HOME_CHANGE,
                GoodbyeReason.toString(GoodbyeReason.MSG_HOME_CHANGE) + "[" + addr + ":" + broker + "]");
    }

    public static void remoteCheckTakeoverMsgs(Map<String, String> msgs, String brokerid, PartitionedStore ps) throws BrokerException {

        Set destroyConns = new HashSet();
        Map<String, String> badsysids = null;
        Iterator<Map.Entry<String, String>> itr = msgs.entrySet().iterator();
        Map.Entry<String, String> me = null;
        String sysidstr = null, duidstr = null;
        SysMessageID sysid = null;
        DestinationUID duid = null;
        while (itr.hasNext()) {
            me = itr.next();
            sysidstr = me.getKey();
            duidstr = me.getValue();
            try {
                sysid = SysMessageID.get(sysidstr);
            } catch (InvalidSysMessageIDException e) {
                Globals.getLogger().logStack(Logger.ERROR, e.getMessage(), e);
                if (!Globals.getStore().getStoreType().equals(Store.JDBC_STORE_TYPE)) {
                    throw e;
                }
                duid = new DestinationUID(duidstr);
                Globals.getLogger().log(Logger.WARNING,
                        Globals.getBrokerResources().getKString(BrokerResources.X_TAKEOVER_MSGID_CORRUPT_TRY_REPAIR, sysidstr, duidstr));
                try {
                    Packet p = null;
                    try {
                        p = ps.getMessage(duid, sysidstr);
                    } catch (BrokerException ee) {
                        Throwable cause = ee.getCause();
                        String[] args = { sysidstr, "[?]", duidstr, cause.toString() };
                        String emsg = Globals.getBrokerResources().getKString(BrokerResources.X_REPAIR_CORRUPTED_MSGID_IN_STORE, args);
                        Globals.getLogger().logStack(Logger.ERROR, emsg, ee);

                        if (cause instanceof InvalidPacketException) {
                            handleInvalidPacket(sysidstr, duidstr, emsg, (InvalidPacketException) cause, ps);
                            itr.remove();
                            continue;
                        } else {
                            throw ee;
                        }
                    }
                    sysid = p.getSysMessageID();
                    String realsysidstr = sysid.getUniqueName();
                    String[] args3 = { sysidstr, realsysidstr, duidstr };
                    Globals.getLogger().log(Logger.INFO, Globals.getBrokerResources().getKString(BrokerResources.X_REPAIR_CORRUPTED_MSGID_TO, args3));
                    ps.repairCorruptedSysMessageID(sysid, sysidstr, duidstr, true);
                    if (badsysids == null) {
                        badsysids = new HashMap<>();
                    }
                    badsysids.put(sysidstr, realsysidstr);
                } catch (BrokerException ee) {
                    Globals.getLogger().logStack(Logger.ERROR, e.getMessage(), ee);
                    throw e;
                }
            }
            PacketReference ref = get(null, sysid);
            if (ref == null) {
                continue;
            }
            Iterator cnitr = ref.getRemoteConsumerUIDs().values().iterator();
            while (cnitr.hasNext()) {
                destroyConns.add(cnitr.next());
            }
        }
        if (badsysids != null) {
            itr = badsysids.entrySet().iterator();
            String v = null;
            while (itr.hasNext()) {
                me = itr.next();
                v = msgs.remove(me.getKey());
                msgs.put(me.getValue(), v);
            }
        }
        destroyConnections(destroyConns, GoodbyeReason.BKR_IN_TAKEOVER, GoodbyeReason.toString(GoodbyeReason.BKR_IN_TAKEOVER) + ":" + brokerid);
    }

    private static void handleInvalidPacket(String sysidstr, String duidstr, String comment, InvalidPacketException ipex, PartitionedStore ps)
            throws BrokerException {

        Properties props = new Properties();
        props.put(DMQ.UNDELIVERED_REASON, RemoveReason.ERROR.toString());
        props.put(DMQ.UNDELIVERED_TIMESTAMP, Long.valueOf(System.currentTimeMillis()));
        props.put(DMQ.UNDELIVERED_COMMENT, comment);

        String cstr = SupportUtil.getStackTraceString(ipex);
        props.put(DMQ.UNDELIVERED_EXCEPTION, cstr);

        props.put(DMQ.BROKER, Globals.getMyAddress().toString());
        props.put(DMQ.DEAD_BROKER, Globals.getMyAddress().toString());

        byte[] data = ipex.getBytes();
        Queue[] dmqs = DL.getDMQ(ps);
        Queue dmq = dmqs[0];

        Packet pkt = new Packet();
        pkt.setPacketType(PacketType.BYTES_MESSAGE);
        pkt.setProperties(props);
        pkt.setDestination(dmq.getDestinationName());
        pkt.setIsQueue(true);
        pkt.setPersistent(true);
        pkt.setIP(Globals.getBrokerInetAddress().getAddress());
        pkt.setPort(Globals.getPortMapper().getPort());
        pkt.updateSequenceNumber();
        pkt.updateTimestamp();
        pkt.generateSequenceNumber(false);
        pkt.generateTimestamp(false);
        pkt.setSendAcknowledge(false);
        pkt.setMessageBody(data);
        PacketReference ref = PacketReference.createReference(dmq.getPartitionedStore(), pkt, null);

        String[] args1 = { sysidstr, duidstr, ref.getSysMessageID().toString() + "[" + PacketType.getString(PacketType.BYTES_MESSAGE) + "]" };
        Globals.getLogger().log(Logger.INFO, Globals.getBrokerResources().getKString(BrokerResources.I_PLACING_CORRUPTED_MSG_TO_DMQ, args1));

        dmq.queueMessage(ref, false);
        Set s = dmq.routeNewMessage(ref);

        String[] args2 = { sysidstr, duidstr, ref.getSysMessageID().toString() + "[" + PacketType.getString(PacketType.BYTES_MESSAGE) + "]" };
        Globals.getLogger().log(Logger.INFO, Globals.getBrokerResources().getKString(BrokerResources.I_PLACED_CORRUPTED_MSG_TO_DMQ, args2));

        dmq.forwardMessage(s, ref);

        Globals.getLogger().log(Logger.INFO, Globals.getBrokerResources().getKString(BrokerResources.I_REMOVE_CORRUPTED_MSG_IN_STORE, sysidstr, duidstr));
        try {
            ps.removeMessage((new DestinationUID(duidstr)), sysidstr, true);
        } catch (Exception e) {
            String emsg = Globals.getBrokerResources().getKString(BrokerResources.X_PERSIST_MESSAGE_REMOVE_FAILED, sysidstr);
            Globals.getLogger().logStack(Logger.ERROR, emsg, e);
            if (e instanceof BrokerException) {
                throw (BrokerException) e;
            }
            throw new BrokerException(emsg, e);
        }
    }

    private static void destroyConnections(Set destroyConns, int reason, String reasonstr) {

        ConnectionManager cm = Globals.getConnectionManager();
        Iterator cnitr = destroyConns.iterator();
        while (cnitr.hasNext()) {
            IMQBasicConnection conn = (IMQBasicConnection) cm.getConnection((ConnectionUID) cnitr.next());
            if (conn == null) {
                continue;
            }
            Globals.getLogger().log(Logger.INFO, "Destroying connection " + conn + " because " + reasonstr);
            if (DEBUG) {
                conn.dump();
            }
            conn.destroyConnection(true, reason, reasonstr);
            conn.waitForRelease(Globals.getConfig().getLongProperty(Globals.IMQ + "." + conn.getService().getName() + ".destroy_timeout", 30) * 1000);
        }
    }

    public synchronized static void loadTakeoverMsgs(PartitionedStore storep, Map<String, String> msgs, List txns, Map txacks) throws BrokerException {

        DestinationList dl = destinationListList.get(storep);

        Map m = new HashMap();
        Logger logger = Globals.getLogger();

        Map ackLookup = new HashMap();

        // ok create a hashtable for looking up txns
        if (txacks != null) {
            Iterator itr = txacks.entrySet().iterator();
            while (itr.hasNext()) {
                Map.Entry entry = (Map.Entry) itr.next();
                TransactionUID tuid = (TransactionUID) entry.getKey();
                List l = (List) entry.getValue();
                Iterator litr = l.iterator();
                while (litr.hasNext()) {
                    TransactionAcknowledgement ta = (TransactionAcknowledgement) litr.next();
                    String key = ta.getSysMessageID() + ":" + ta.getStoredConsumerUID();
                    ackLookup.put(key, tuid);
                }
            }
        }

        // Alright ...
        // all acks fail once takeover begins
        // we expect all transactions to rollback
        // here is the logic:
        // - load all messages
        // - remove any messages in open transactions
        // - requeue all messages
        // - resort (w/ load comparator)
        //
        //
        // OK, first get msgs and sort by destination
        HashMap openMessages = new HashMap();
        Iterator itr = msgs.entrySet().iterator();
        while (itr.hasNext()) {
            Map.Entry me = (Map.Entry) itr.next();
            String msgID = (String) me.getKey();
            String dst = (String) me.getValue();
            DestinationUID dUID = new DestinationUID(dst);
            Packet p = null;
            try {
                p = storep.getMessage(dUID, msgID);
            } catch (BrokerException ex) {
                Throwable cause = ex.getCause();
                if (cause instanceof InvalidPacketException) {
                    String[] args = { msgID, dst, cause.toString() };
                    String emsg = Globals.getBrokerResources().getKString(BrokerResources.X_MSG_CORRUPTED_IN_STORE, args);
                    logger.logStack(Logger.ERROR, emsg, ex);

                    handleInvalidPacket(msgID, dst, emsg, (InvalidPacketException) cause, storep);
                    itr.remove();
                    continue;
                }

                // Check if dst even exists!
                if (ex.getStatusCode() == Status.NOT_FOUND) {
                    Destination[] ds = getDestination(storep, dUID);
                    Destination d = ds[0];
                    if (d == null) {
                        String args[] = { msgID, dst, Globals.getBrokerResources().getString(BrokerResources.E_DESTINATION_NOT_FOUND_IN_STORE, dst) };
                        logger.log(Logger.ERROR, BrokerResources.W_CAN_NOT_LOAD_MSG, args, ex);
                    }
                }
                throw ex;
            }

            dUID = DestinationUID.getUID(p.getDestination(), p.getIsQueue());
            PacketReference pr = PacketReference.createReference(storep, p, dUID, null);

            // mark already stored and make packet a SoftReference to
            // prevent running out of memory if dest has lots of msgs
            pr.setLoaded();
            logger.log(Logger.DEBUG, "Loading message " + pr.getSysMessageID() + " on " + pr.getDestinationUID());

            // check transactions
            TransactionUID tid = pr.getTransactionID();
            if (tid != null) {
                // see if in transaction list
                if (txns.contains(tid)) {
                    // open transaction
                    TransactionState ts = dl.getTransactionList().retrieveState(pr.getTransactionID());
                    if (ts != null && ts.getState() != TransactionState.ROLLEDBACK && ts.getState() != TransactionState.COMMITTED) {
                        // in transaction ...
                        logger.log(Logger.DEBUG, "Processing open transacted message " + pr.getSysMessageID() + " on " + tid + "["
                                + TransactionState.toString(ts.getState()) + "]");
                        openMessages.put(pr.getSysMessageID(), tid);
                    } else if (ts != null && ts.getState() == TransactionState.ROLLEDBACK) {
                        pr.destroy();
                        continue;
                    } else {
                    }
                }
            }
            dl.packetlistAdd(pr.getSysMessageID(), pr.getDestinationUID(), null);

            Set l = null;
            if ((l = (Set) m.get(dUID)) == null) {
                l = new TreeSet(new RefCompare());
                m.put(dUID, l);
            }
            l.add(pr);
        }

        // OK, handle determining how to queue the messages

        Map<PacketReference, MessageDeliveryTimeInfo> deliveryDelays = new HashMap<>();

        // first add all messages
        Iterator dsts = m.entrySet().iterator();
        while (dsts.hasNext()) {
            Map.Entry entry = (Map.Entry) dsts.next();
            DestinationUID dst = (DestinationUID) entry.getKey();
            Set l = (Set) entry.getValue();
            Destination[] ds = getDestination(storep, dst);
            Destination d = ds[0];

            if (d == null) { // create it
                String destinationName = dst.getName();
                try {
                    ds = getDestination(storep, destinationName, (dst.isQueue() ? DestType.DEST_TYPE_QUEUE : DestType.DEST_TYPE_TOPIC), true, true);
                    d = ds[0];
                } catch (IOException ex) {
                    throw new BrokerException(Globals.getBrokerResources().getKString(BrokerResources.X_CANT_LOAD_DEST, destinationName));
                }
            } else {
                synchronized (d) {
                    if (d.isLoaded()) {
                        // Destination has already been loaded so just called
                        // initialize() to update the size and bytes variables
                        d.initialize();
                    }
                    d.load(l);
                }
            }
            logger.log(Logger.INFO, BrokerResources.I_LOADING_DST, d.getName(), String.valueOf(l.size()));

            MessageDeliveryTimeTimer dt = d.deliveryTimeTimer;

            if (dt == null && !d.isDMQ()) {
                if (!d.isValid()) {
                    String emsg = Globals.getBrokerResources().getKString(BrokerResources.W_UNABLE_LOAD_TAKEOVER_MSGS_TO_DESTROYED_DST, d.getDestinationUID());
                    logger.log(Logger.WARNING, emsg);
                    continue;
                }
                String emsg = Globals.getBrokerResources().getKString(BrokerResources.W_UNABLE_LOAD_TAKEOVER_MSGS_NO_DST_DELIVERY_TIMER,
                        d.getDestinationUID() + "[" + d.isValid() + "]");
                logger.log(Logger.WARNING, emsg);
                continue;
            }

            // now we're sorted, process
            Iterator litr = l.iterator();
            try {
                MessageDeliveryTimeInfo di = null;
                while (litr.hasNext()) {

                    PacketReference pr = (PacketReference) litr.next();
                    di = pr.getDeliveryTimeInfo();
                    if (di != null) {
                        dt.removeMessage(di);
                    }
                    try {
                        // ok allow overrun
                        boolean el = d.destMessages.getEnforceLimits();

                        d.destMessages.enforceLimits(false);

                        if (DEBUG) {
                            logger.log(logger.INFO, "Put message " + pr + "[" + di + "] to destination " + d);
                        }
                        pr.lock();
                        d.acquireQueueRemoteLock();
                        try {
                            d.putMessage(pr, AddReason.LOADED, true);
                        } finally {
                            d.clearQueueRemoteLock();
                        }
                        // turn off overrun
                        d.destMessages.enforceLimits(el);
                    } catch (IllegalStateException ex) {
                        // thats ok, we already exists
                        String args[] = { pr.getSysMessageID().toString(), pr.getDestinationUID().toString(), ex.getMessage() };
                        logger.logStack(Logger.WARNING, BrokerResources.W_CAN_NOT_LOAD_MSG, args, ex);
                        continue;
                    } catch (OutOfLimitsException ex) {
                        String args[] = { pr.getSysMessageID().toString(), pr.getDestinationUID().toString(), ex.getMessage() };
                        logger.logStack(Logger.WARNING, BrokerResources.W_CAN_NOT_LOAD_MSG, args, ex);
                        continue;
                    } finally {
                        if (di != null && !di.isDeliveryDue()) {
                            dt.addMessage(di);
                            deliveryDelays.put(pr, di);
                        }
                    }
                }
                // then resort the destination
                d.sort(new RefCompare());
            } catch (Exception ex) {
            }
        }

        // now route

        dsts = m.entrySet().iterator();
        while (dsts.hasNext()) {
            Map.Entry entry = (Map.Entry) dsts.next();
            DestinationUID dst = (DestinationUID) entry.getKey();
            Set l = (Set) entry.getValue();
            Destination d = dl.getDestination(dst);

            // now we're sorted, process
            Iterator litr = l.iterator();
            try {
                while (litr.hasNext()) {
                    PacketReference pr = (PacketReference) litr.next();

                    if (DEBUG) {
                        logger.log(logger.INFO, "Process takeover message " + pr + "[" + pr.getDeliveryTimeInfo() + "] for destination " + d);
                    }

                    TransactionUID tuid = (TransactionUID) openMessages.get(pr.getSysMessageID());
                    if (tuid != null) {
                        dl.getTransactionList().addMessage(tuid, pr.getSysMessageID(), true);
                        pr.unlock();
                        continue;
                    }

                    ConsumerUID[] consumers = storep.getConsumerUIDs(dst, pr.getSysMessageID());

                    if (consumers == null) {
                        consumers = new ConsumerUID[0];
                    }
                    if (consumers.length == 0 && storep.hasMessageBeenAcked(dst, pr.getSysMessageID())) {
                        logger.log(Logger.INFO, Globals.getBrokerResources().getString(BrokerResources.W_TAKEOVER_MSG_ALREADY_ACKED, pr.getSysMessageID()));
                        d.unputMessage(pr, RemoveReason.ACKNOWLEDGED);
                        pr.destroy();
                        pr.unlock();
                        continue;
                    }

                    if (consumers.length > 0) {
                        pr.setStoredWithInterest(true);
                    } else {
                        pr.setStoredWithInterest(false);
                    }

                    int states[] = null;
                    if (consumers.length == 0 && deliveryDelays.get(pr) == null) {
                        // route the message, it depends on the type of
                        // message
                        try {
                            consumers = d.routeLoadedTransactionMessage(pr);
                        } catch (Exception ex) {
                            logger.logStack(Logger.WARNING, Globals.getBrokerResources().getKString(BrokerResources.W_EXCEPTION_ROUTE_LOADED_MSG,
                                    pr.getSysMessageID(), ex.getMessage()), ex);
                        }
                        states = new int[consumers.length];
                        for (int i = 0; i < states.length; i++) {
                            states[i] = PartitionedStore.INTEREST_STATE_ROUTED;
                        }
                        try {
                            storep.storeInterestStates(d.getDestinationUID(), pr.getSysMessageID(), consumers, states, true, null);
                            pr.setStoredWithInterest(true);
                        } catch (Exception ex) {
                            // message already routed
                            StringBuilder debuf = new StringBuilder();
                            for (int i = 0; i < consumers.length; i++) {
                                if (i > 0) {
                                    debuf.append(", ");
                                }
                                debuf.append(consumers[i]);
                            }
                            logger.log(logger.WARNING, BrokerResources.W_TAKEOVER_MSG_ALREADY_ROUTED, pr.getSysMessageID(), debuf.toString(), ex);
                        }
                    } else if (consumers.length > 0) {
                        states = new int[consumers.length];

                        for (int i = 0; i < consumers.length; i++) {
                            states[i] = storep.getInterestState(dst, pr.getSysMessageID(), consumers[i]);
                        }
                    }

                    pr.update(consumers, states, false);

                    // OK deal w/ transsactions
                    // LKS - XXX
                    ExpirationInfo ei = pr.getExpireInfo();
                    if (ei != null && d.expireReaper != null) {
                        d.expireReaper.addExpiringMessage(ei);
                    }
                    List<ConsumerUID> consumerList = new ArrayList(Arrays.asList(consumers));

                    // OK ... see if we are in txn
                    Iterator citr = consumerList.iterator();
                    while (citr.hasNext()) {
                        logger.log(Logger.DEBUG, " Message " + pr.getSysMessageID() + " has " + consumerList.size() + " consumers ");
                        ConsumerUID cuid = (ConsumerUID) citr.next();
                        String key = pr.getSysMessageID() + ":" + cuid;
                        TransactionList tl = dl.getTransactionList();
                        TransactionUID tid = (TransactionUID) ackLookup.get(key);
                        if (DEBUG) {
                            logger.log(logger.INFO, "loadTakeoverMsgs: lookup " + key + " found tid=" + tid);
                        }
                        if (tid != null) {
                            boolean remote = false;
                            TransactionState ts = tl.retrieveState(tid);
                            if (ts == null) {
                                ts = tl.getRemoteTransactionState(tid);
                                remote = true;
                            }
                            if (DEBUG) {
                                logger.log(logger.INFO, "tid=" + tid + " has state=" + TransactionState.toString(ts.getState()));
                            }
                            if (ts != null && ts.getState() != TransactionState.ROLLEDBACK && ts.getState() != TransactionState.COMMITTED) {
                                // in transaction ...
                                if (DEBUG) {
                                    logger.log(Logger.INFO,
                                            "loadTakeoverMsgs: Open transaction ack [" + key + "]" + (remote ? "remote" : "") + ", TUID=" + tid);
                                }
                                if (!remote) {
                                    try {
                                        tl.addAcknowledgement(tid, pr.getSysMessageID(), cuid, cuid, true, false);
                                    } catch (TransactionAckExistException e) {

                                        // can happen if takeover tid's remote txn after restart
                                        // then txn ack would have already been loaded
                                        logger.log(Logger.INFO,
                                                Globals.getBrokerResources().getKString(BrokerResources.I_TAKINGOVER_TXN_ACK_ALREADY_EXIST,
                                                        "[" + pr.getSysMessageID() + "]" + cuid + ":" + cuid,
                                                        tid + "[" + TransactionState.toString(ts.getState()) + "]"));

                                    }
                                    tl.addOrphanAck(tid, pr.getSysMessageID(), cuid);

                                }
                                citr.remove();
                                logger.log(Logger.INFO, "Processing open ack " + pr.getSysMessageID() + ":" + cuid + " on " + tid);
                                continue;
                            } else if (ts != null && ts.getState() == TransactionState.COMMITTED) {
                                logger.log(Logger.INFO, "Processing committed ack " + pr.getSysMessageID() + ":" + cuid + " on " + tid);
                                if (pr.acknowledged(cuid, cuid, false, true)) {
                                    d.unputMessage(pr, RemoveReason.ACKNOWLEDGED);
                                    pr.destroy();
                                    continue;
                                }
                                citr.remove();
                                continue;
                            }
                        }
                    }
                    // route msgs not in transaction
                    if (DEBUG) {
                        StringBuilder buf = new StringBuilder();
                        ConsumerUID cid = null;
                        for (int j = 0; j < consumerList.size(); j++) {
                            cid = consumerList.get(j);
                            buf.append(cid);
                            buf.append(' ');
                        }
                        if (deliveryDelays.get(pr) == null) {
                            logger.log(Logger.INFO,
                                    "non-transacted: Routing Message " + pr.getSysMessageID() + " to " + consumerList.size() + " consumers:" + buf.toString());
                        } else {
                            logger.log(Logger.INFO, "non-transacted: deliver time not arrived for message " + pr.getSysMessageID());
                        }
                    }
                    pr.unlock();
                    if (deliveryDelays.get(pr) == null) {
                        if (DEBUG) {
                            logger.log(logger.INFO, "Route takeover message " + pr + "[" + pr.getDeliveryTimeInfo() + "] for destination " + d
                                    + " to consumers " + consumerList);
                        }
                        if (pr.getDeliveryTimeInfo() != null) {
                            d.forwardDeliveryDelayedMessage(new HashSet<ConsumerUID>(consumerList), pr);
                        } else {
                            d.routeLoadedMessage(pr, consumerList);
                        }
                    } else {
                        MessageDeliveryTimeInfo di = pr.getDeliveryTimeInfo();
                        di.setDeliveryReady();
                    }
                    if (d.destReaper != null) {
                        d.destReaper.cancel();
                        d.destReaper = null;
                    }
                }
            } catch (Exception ex) {
                ex.printStackTrace();
            }
        }
    }

    /**
     */
    PacketListDMPair packetlistAdd(SysMessageID sysid, DestinationUID duid, PacketReference ref) {
        PacketListDMPair dmp = new PacketListDMPair(duid, ref);
        synchronized (packetlist) {
            Set<PacketListDMPair> s = packetlist.get(sysid);
            if (s == null) {
                s = Collections.synchronizedSet(new LinkedHashSet<PacketListDMPair>());
                packetlist.put(sysid, s);
            }

            s.add(dmp);
        }
        return dmp;
    }

    private DestinationUID getPacketListFirst(SysMessageID sysid) {
        Set<PacketListDMPair> s = null;
        synchronized (packetlist) {
            s = packetlist.get(sysid);
            if (s == null) {
                return null;
            }
        }
        synchronized (s) {
            Iterator<PacketListDMPair> itr = s.iterator();
            if (itr.hasNext()) {
                return itr.next().duid;
            }
        }
        return null;
    }

    Object removePacketList(SysMessageID sysid, DestinationUID duid, PacketReference ref) {
        synchronized (packetlist) {
            Set<PacketListDMPair> s = packetlist.get(sysid);
            if (s == null) {
                return null;
            }
            PacketListDMPair dmp = new PacketListDMPair(duid, null);
            PacketListDMPair mydmp = null;
            if (s.contains(dmp)) {
                Iterator<PacketListDMPair> itr = s.iterator();
                while (itr.hasNext()) {
                    mydmp = itr.next();
                    if (mydmp.equals(dmp)) {
                        if (ref == null) {
                            itr.remove();
                            break;
                        }
                        if (mydmp.canRemove(ref, this)) {
                            itr.remove();
                            break;
                        }
                    }
                    mydmp = null;
                }
                if (s.isEmpty()) {
                    packetlist.remove(sysid);
                }
            }
            if (mydmp != null) {
                return mydmp.duid;
            }
            return null;
        }
    }

    public static List[] findMatchingIDs(PartitionedStore ps, DestinationUID wildcarduid) throws PartitionNotFoundException {
        DestinationList dl = null;
        if (ps != null) {
            dl = destinationListList.get(ps);
            if (dl == null) {
                throw new PartitionNotFoundException(Globals.getBrokerResources().getKString(BrokerResources.X_PARTITION_NOT_FOUND, ps.getPartitionID()));
            }
            return new List[] { dl.findMatchingIDs(wildcarduid) };
        }
        int i = 0;
        synchronized (destinationListList) {
            int sz = destinationListList.size();
            List[] matchs = new List[(sz == 0 ? 1 : sz)];
            matchs[0] = null;
            Iterator<DestinationList> itr = destinationListList.values().iterator();
            while (itr.hasNext()) {
                dl = itr.next();
                matchs[i++] = dl.findMatchingIDs(wildcarduid);
            }
            return matchs;
        }
    }

    public static Map<PartitionedStore, LinkedHashSet<Destination>> findMatchingDestinationMap(PartitionedStore ps, DestinationUID wildcarduid) {

        Map<PartitionedStore, LinkedHashSet<Destination>> map = new LinkedHashMap<>();

        DestinationList dl = null;
        LinkedHashSet dset = null;
        List<DestinationUID> duids = null;
        DestinationUID duid = null;
        Destination d = null;
        if (ps != null) {
            dl = destinationListList.get(ps);
            dset = new LinkedHashSet();
            duids = dl.findMatchingIDs(wildcarduid);
            Iterator<DestinationUID> itr = duids.iterator();
            while (itr.hasNext()) {
                duid = itr.next();
                d = dl.getDestination(duid);
                if (d != null) {
                    dset.add(d);
                }
            }
            map.put(ps, dset);
            return map;
        }

        synchronized (destinationListList) {
            for (Map.Entry<PartitionedStore, DestinationList> pair : destinationListList.entrySet()) {
                dl = pair.getValue();
                dset = new LinkedHashSet();
                duids = dl.findMatchingIDs(wildcarduid);
                Iterator<DestinationUID> itr = duids.iterator();
                while (itr.hasNext()) {
                    duid = itr.next();
                    d = dl.getDestination(duid);
                    dset.add(d);
                }
                map.put(pair.getKey(), dset);
            }
        }
        return map;
    }

    static List<DestinationUID> findMatchingIDsByDestinationList(DestinationList dl, DestinationUID wildcarduid) {
        return dl.findMatchingIDs(wildcarduid);
    }

    private List<DestinationUID> findMatchingIDs(DestinationUID wildcarduid) {
        List l = new ArrayList<>();
        if (!wildcarduid.isWildcard()) {
            l.add(wildcarduid);
            return l;
        }
        synchronized (destinationList) {
            Iterator itr = destinationList.keySet().iterator();
            while (itr.hasNext()) {
                DestinationUID uid = (DestinationUID) itr.next();
                if (DestinationUID.match(uid, wildcarduid)) {
                    l.add(uid);
                }
            }
        }
        return l;

    }

    public static void destroyTransactionList(PartitionedStore ps) {
        if (ps != null) {
            DestinationList dl = null;
            dl = destinationListList.get(ps);
            if (dl != null) {
                dl.getTransactionList().destroy();
            }
            return;
        }
        synchronized (destinationListList) {
            Iterator<DestinationList> itr = destinationListList.values().iterator();
            while (itr.hasNext()) {
                itr.next().getTransactionList().destroy();
            }
        }
    }

    public static void clearDestinations(PartitionedStore ps) {
        if (ps != null) {
            DestinationList dl = null;
            dl = destinationListList.get(ps);
            if (dl != null) {
                dl.clearDestinations();
            }
            return;
        }
        synchronized (destinationListList) {
            Iterator<DestinationList> itr = destinationListList.values().iterator();
            while (itr.hasNext()) {
                itr.next().clearDestinations();
            }
        }
        Queue.clear();
    }

    private void clearDestinations() {
        destsLoaded = false;
        destinationList.clear();
        packetlist.clear();
        inited = false;

        BrokerConfig cfg = Globals.getConfig();

        cfg.removeListener(SYSTEM_MAX_SIZE, cl);
        cfg.removeListener(SYSTEM_MAX_COUNT, cl);
        cfg.removeListener(MAX_MESSAGE_SIZE, cl);
        cfg.removeListener(AUTO_QUEUE_STR, cl);
        cfg.removeListener(AUTO_TOPIC_STR, cl);
        cfg.removeListener(DST_REAP_STR, cl);
        cfg.removeListener(MSG_REAP_STR, cl);
        cfg.removeListener(AUTO_MAX_NUM_MSGS, cl);
        cfg.removeListener(AUTO_MAX_TOTAL_BYTES, cl);
        cfg.removeListener(AUTO_MAX_BYTES_MSG, cl);
        cfg.removeListener(AUTO_MAX_NUM_PRODUCERS, cl);
        cfg.removeListener(AUTO_LOCAL_ONLY, cl);
        cfg.removeListener(AUTO_LIMIT_BEHAVIOR, cl);
        cfg.removeListener(USE_DMQ_STR, cl);
        cfg.removeListener(TRUNCATE_BODY_STR, cl);
        cfg.removeListener(LOG_MSGS_STR, cl);
        cl = null;
    }

    public static void addDestination(PartitionedStore ps, Destination d, boolean throwRT) {
        if (ps != null) {
            destinationListList.get(ps).addDestination(d, throwRT);
            return;
        }

        DestinationList dl = null;
        synchronized (destinationListList) {
            Iterator<DestinationList> itr = destinationListList.values().iterator();
            while (itr.hasNext()) { // XXX throwRT check
                dl = itr.next();
                dl.addDestination(d, throwRT);
            }
        }
    }

    private void addDestination(Destination d, boolean throwRT) {
        synchronized (destinationList) {
            if (destinationList.get(d.getDestinationUID()) != null) {
                if (throwRT) {
                    throw new RuntimeException("Destination " + d + " is also being" + " created by another broker");
                }
                return;
            }

            destinationList.put(d.getDestinationUID(), d);
            Agent agent = Globals.getAgent();
            if (agent != null) {
                agent.registerDestination(d);
                agent.notifyDestinationCreate(d);
            }
        }
    }

    boolean setDuraSubscriptionInited() {
        synchronized (subscriptionLock) {
            if (duraSubscriptionInited) {
                return false;
            }
            duraSubscriptionInited = true;
            return true;
        }
    }

    boolean setNonDuraSharedSubscriptionInited() {
        synchronized (subscriptionLock) {
            if (nonDuraSharedSubscriptionInited) {
                return false;
            }
            nonDuraSharedSubscriptionInited = true;
            return true;
        }
    }

    public LinkedHashMap processTransactions(Map inprocessAcks, Map openTrans, Map committingTrans) throws BrokerException {

        loadDestinations();
        Subscription.initDuraSubscriptions(this);
        LinkedHashMap prepared = new LinkedHashMap();
        Iterator itr = getAllDestinations(ALL_DESTINATIONS_MASK);
        while (itr.hasNext()) {
            Destination d = (Destination) itr.next();
            boolean loaded = d.loaded;
            if (loaded) {
                d.unload(true);
            }
            LinkedHashMap m = d.load(false, inprocessAcks, openTrans, committingTrans, null, false);
            if (m != null) {
                prepared.putAll(m);
            }
        }
        return prepared;
    }

    public static void loadDestinations(PartitionedStore ps) throws BrokerException {
        if (ps == null) {
            throw new BrokerException("IllegalArgument: PartitionedStore null");
        }
        DestinationList dl = destinationListList.get(ps);
        dl.loadDestinations();
    }

    private void loadDestinations() throws BrokerException {

        synchronized (destinationListLock) {
            if (destsLoaded) {
                return;
            }
            destsLoaded = true;
        }

        logger.log(Logger.INFO, br.getKString(br.I_RETRIEVE_STORED_DESTINATIONS) + logsuffix);

        // before we do anything else, make sure we dont have any
        // unexpected exceptions
        LoadException load_ex = pstore.getLoadDestinationException();

        if (load_ex != null) {
            // some messages could not be loaded
            LoadException processing = load_ex;
            while (processing != null) {
                String destid = (String) processing.getKey();
                Destination d = (Destination) processing.getValue();
                if (destid == null && d == null) {
                    logger.log(Logger.WARNING, "LoadDestinationException: " + "Both key and value are corrupted");
                    continue;
                }
                if (destid == null) {
                    // store with valid key
                    try {
                        pstore.storeDestination(d, PERSIST_SYNC);
                    } catch (Exception ex) {
                        logger.log(Logger.WARNING, BrokerResources.W_DST_RECREATE_FAILED, d.toString(), ex);
                        try {
                            pstore.removeDestination(d, true);
                        } catch (Exception ex1) {
                            logger.logStack(Logger.DEBUG, "Unable to remove dest", ex1);
                        }
                    }
                } else {
                    DestinationUID duid = new DestinationUID(destid);
                    String name = duid.getName();
                    boolean isqueue = duid.isQueue();
                    int type = isqueue ? DestType.DEST_TYPE_QUEUE : DestType.DEST_TYPE_TOPIC;
                    // XXX we may want to parse the names to determine
                    // if this is a temp destination etc
                    try {
                        d = createDestination(name, type);
                        d.store();
                        logger.log(Logger.WARNING, BrokerResources.W_DST_REGENERATE, duid.getLocalizedName());
                    } catch (Exception ex) {
                        logger.log(Logger.WARNING, BrokerResources.W_DST_REGENERATE_ERROR, duid, ex);
                        try {
                            if (duid.isQueue()) {
                                d = new Queue(duid);
                            } else {
                                d = new Topic(duid);
                            }
                            pstore.removeDestination(d, true);
                        } catch (Exception ex1) {
                            logger.logStack(Logger.DEBUG, "Unable to remove dest", ex1);
                        }
                    }

                } // end if
                processing = processing.getNextException();
            } // end while
        }

        // retrieve stored destinations
        try {
            Destination dests[] = pstore.getAllDestinations();
            logger.log(Logger.INFO, br.getKString(br.I_RETRIEVED_STORED_DESTINATIONS, String.valueOf(dests.length)) + logsuffix);

            for (int i = 0; i < dests.length; i++) {
                if (dests[i] == null) {
                    continue;
                }
                if (DEBUG) {
                    logger.log(Logger.INFO, "Process stored destination " + dests[i].toString());
                }
                dests[i].setDestinationList(this);
                if (!dests[i].isAdmin() && (dests[i].getIsDMQ() || !dests[i].isInternal())) {
                    dests[i].initialize();
                }
                if (dests[i].isAutoCreated() && dests[i].size == 0 && dests[i].bytes == 0) {
                    destinationList.remove(dests[i].getDestinationUID());
                    try {
                        Globals.getLogger().log(logger.INFO, br.getKString(br.I_DESTROYING_DESTINATION, dests[i].getName()) + logsuffix);

                        dests[i].destroy(Globals.getBrokerResources().getString(BrokerResources.M_AUTO_REAPED) + logsuffix);

                    } catch (BrokerException ex) {
                        // if HA, another broker may have removed this
                        //
                        if (ex.getStatusCode() == Status.NOT_FOUND) {
                            // someone else removed it already
                            return;
                        }
                        throw ex;
                    }
                } else {
                    addDestination(dests[i], false);
                }
            }

            deadMessageQueue = createDMQ();

            // iterate through and deal with monitors
            Iterator itr = destinationList.values().iterator();
            while (itr.hasNext()) {
                Destination d = (Destination) itr.next();
                try {
                    d.initMonitor();
                } catch (IOException ex) {
                    logger.logStack(logger.INFO, BrokerResources.I_CANT_LOAD_MONITOR, d.toString(), ex);
                    itr.remove();
                }
            }

        } catch (BrokerException ex) {
            logger.logStack(Logger.ERROR, BrokerResources.X_LOAD_DESTINATIONS_FAILED, ex);
            throw ex;
        } catch (IOException ex) {
            logger.logStack(Logger.ERROR, BrokerResources.X_LOAD_DESTINATIONS_FAILED, ex);
            throw new BrokerException(BrokerResources.X_LOAD_DESTINATIONS_FAILED, ex);
        }

    }

    public static Destination[] getLoadedDestination(PartitionedStore ps, DestinationUID uid) {
        DestinationList dl = null;
        if (ps != null) {
            dl = destinationListList.get(ps);
            Destination d = dl.getLoadedDestination(uid);
            return new Destination[] { d };
        }

        int i = 0;
        synchronized (destinationListList) {
            int sz = destinationListList.size();
            Destination[] dsts = new Destination[(sz == 0 ? 1 : sz)];
            dsts[0] = null;
            Iterator<DestinationList> itr = destinationListList.values().iterator();
            while (itr.hasNext()) {
                dl = itr.next();
                dsts[i++] = dl.getLoadedDestination(uid);
            }
            return dsts;
        }
    }

    private Destination getLoadedDestination(DestinationUID uid) {
        Destination d = null;
        synchronized (destinationList) {
            d = (Destination) destinationList.get(uid);
        }
        if ((d != null) && !d.isDestInited()) {
            d.initialize();
        }
        return d;
    }

    static Destination getDestinationByDestinationList(DestinationList dl, DestinationUID uid) {
        return dl.getDestination(uid);
    }

    public static Destination[] getDestination(PartitionedStore ps, DestinationUID uid) {
        Destination[] ret = null;
        DestinationList dl = null;
        if (ps != null) {
            dl = destinationListList.get(ps);
            if (dl == null) {
                ret = new Destination[] { null };
            } else {
                Destination d = dl.getDestination(uid);
                ret = new Destination[] { d };
            }
        }
        int i = 0;
        synchronized (destinationListList) {
            int sz = destinationListList.size();
            Destination[] dsts = new Destination[(sz == 0 ? 1 : sz)];
            dsts[0] = null;
            Iterator<DestinationList> itr = destinationListList.values().iterator();
            while (itr.hasNext()) {
                dl = itr.next();
                dsts[i++] = dl.getDestination(uid);
            }
            if (ps == null) {
                return dsts;
            }
        }
        return ret;
    }

    public static Map<PartitionedStore, Destination> getDestinationMap(PartitionedStore ps, DestinationUID uid) {

        Map<PartitionedStore, Destination> map = new LinkedHashMap<>();

        DestinationList dl = null;
        Destination d = null;
        if (ps != null) {
            dl = destinationListList.get(ps);
            d = dl.getDestination(uid);
            if (d != null) {
                map.put(ps, d);
            }
            return map;
        }

        synchronized (destinationListList) {
            for (Map.Entry<PartitionedStore, DestinationList> pair : destinationListList.entrySet()) {
                dl = pair.getValue();
                d = dl.getDestination(uid);
                if (d != null) {
                    map.put(pair.getKey(), d);
                }
            }
        }
        return map;
    }

    Destination getDestination(DestinationUID uid) {
        Destination d = null;
        synchronized (destinationList) {
            d = (Destination) destinationList.get(uid);

            if (d == null) {
                try {
                    d = pstore.getDestination(uid);
                    if (d != null) {
                        d.setDestinationList(this);
                        addDestination(d, false);
                    }
                } catch (Exception ex) {
                    // ignore we want to create it
                }
            }
        }
        if ((d != null) && !d.isDestInited()) {
            d.initialize();
        }
        return d;
    }

    public static Destination[] findDestination(PartitionedStore ps, DestinationUID uid) {
        DestinationList dl = null;
        if (ps != null) {
            dl = destinationListList.get(ps);
            return new Destination[] { dl.findDestination(uid) };
        }
        int i = 0;
        synchronized (destinationListList) {
            int sz = destinationListList.size();
            Destination[] dsts = new Destination[(sz == 0 ? 1 : sz)];
            dsts[0] = null;
            Iterator<DestinationList> itr = destinationListList.values().iterator();
            while (itr.hasNext()) {
                dl = itr.next();
                dsts[i++] = dl.findDestination(uid);
            }
            return dsts;
        }
    }

    Destination findDestination(DestinationUID uid) {
        Destination d = null;
        synchronized (destinationList) {
            d = (Destination) destinationList.get(uid);
        }
        return d;
    }

    // XXX : Destination class public methods should normally accept
    // DestinationUID to identify destinations. (Instead of name,
    // type).
    public static Destination[] getDestination(PartitionedStore ps, String name, boolean isQueue) throws BrokerException, IOException {

        DestinationUID uid = new DestinationUID(name, isQueue);
        return getDestination(ps, uid);
    }

    public static Destination[] findDestination(PartitionedStore ps, String name, boolean isQueue) throws BrokerException, IOException {

        DestinationUID uid = new DestinationUID(name, isQueue);
        return findDestination(ps, uid);
    }

    public static Destination[] getLoadedDestination(PartitionedStore ps, String name, boolean isQueue) throws BrokerException, IOException {

        DestinationUID uid = new DestinationUID(name, isQueue);
        return getLoadedDestination(ps, uid);
    }

    static Destination getDestinationByDestinationList(DestinationList dl, String name, int type, boolean autocreate, boolean store)
            throws BrokerException, IOException {
        DestinationUID uid = new DestinationUID(name, DestType.isQueue(type));
        return dl.getDestination(uid, type, autocreate, store);
    }

    public static Destination[] getDestination(PartitionedStore ps, String name, int type, boolean autocreate, boolean store)
            throws BrokerException, IOException {

        DestinationUID uid = new DestinationUID(name, DestType.isQueue(type));
        return getDestination(ps, uid, type, autocreate, store);
    }

    /**
     * @param uid the destination uid
     * @param type the type of destination specified by uid
     */
    public static Destination[] getDestination(PartitionedStore ps, DestinationUID uid, int type, boolean autocreate, boolean store)
            throws BrokerException, IOException {
        DestinationList dl = null;
        if (ps != null) {
            dl = destinationListList.get(ps);
            return new Destination[] { dl.getDestination(uid, type, autocreate, store) };
        }
        int i = 0;
        synchronized (destinationListList) {
            int sz = destinationListList.size();
            Destination[] dsts = new Destination[(sz == 0 ? 1 : sz)];
            dsts[0] = null;
            Iterator<DestinationList> itr = destinationListList.values().iterator();
            while (itr.hasNext()) {
                dl = itr.next();
                dsts[i++] = dl.getDestination(uid, type, autocreate, store);
            }
            return dsts;
        }
    }

    private Destination getDestination(DestinationUID uid, int type, boolean autocreate, boolean store) throws BrokerException, IOException {

        Destination d = (Destination) destinationList.get(uid);

        if (autocreate && d == null) {
            try {
                d = createDestination(uid.getName(), type, store, autocreate, null, true, DestType.isLocal(type));
            } catch (ConflictException ex) {
                // re-get destination
                d = (Destination) destinationList.get(uid);
            }
        }
        if (d != null && !d.isDestInited()) {
            d.initialize();
        }
        return d;
    }

    public static Destination[] createDestination(PartitionedStore ps, String name, int type) throws BrokerException, IOException {

        Destination[] ret = null;
        DestinationList dl = null;
        if (ps != null) {
            dl = destinationListList.get(ps);
            Destination d = dl.createDestination(name, type);
            ret = new Destination[] { d };
        }
        int i = 0;
        synchronized (destinationListList) {
            int sz = destinationListList.size();
            Destination[] dsts = new Destination[(sz == 0 ? 1 : sz)];
            dsts[0] = null;
            Iterator<DestinationList> itr = destinationListList.values().iterator();
            while (itr.hasNext()) {
                dl = itr.next();
                dsts[i++] = dl.createDestination(name, type);
            }
            if (ps == null) {
                return dsts;
            }
        }
        return ret;
    }

    private Destination createDestination(String name, int type) throws BrokerException, IOException {

        Destination d = createDestination(name, type, true, false, null, true, false);

        if (d != null && !d.isDestInited()) {
            d.initialize();
        }

        return d;
    }

    public static Destination[] createTempDestination(PartitionedStore ps, String name, int type, ConnectionUID uid, boolean store, long time)
            throws BrokerException, IOException {

        Destination[] ret = null;
        DestinationList dl = null;

        if (ps != null) {
            dl = destinationListList.get(ps);
            if (dl == null) {
                String emsg = "I18NNot found store partition:" + ps + " in " + destinationListList;
                Globals.getLogger().log(Logger.WARNING, emsg);
                throw new BrokerException(emsg, Status.NOT_FOUND);
            }
            Destination d = dl.createTempDestination(name, type, uid, store, time);
            ret = new Destination[] { d };
        }
        int i = 0;
        synchronized (destinationListList) {
            int sz = destinationListList.size();
            Destination[] dsts = new Destination[(sz == 0 ? 1 : sz)];
            dsts[0] = null;
            Iterator<DestinationList> itr = destinationListList.values().iterator();
            while (itr.hasNext()) {
                dl = itr.next();
                dsts[i++] = dl.createTempDestination(name, type, uid, store, time);
            }
            if (ps == null) {
                return dsts;
            }
        }
        return ret;
    }

    private Destination createTempDestination(String name, int type, ConnectionUID uid, boolean store, long time) throws BrokerException, IOException {

        Destination d = null;
        try {
            d = createDestination(name, type, false, false, uid, true, DestType.isLocal(type));
            d.setReconnectInterval(time);
            d.overridePersistence(store);
            d.store();
        } catch (ConflictException ex) {
            DestinationUID duid = new DestinationUID(name, DestType.isQueue(type));
            d = getDestination(duid, type, false, false);
        }

        return d;
    }

    boolean isValid() {
        return valid;
    }

    public static void shutdown() {
        shutdown = true;
        synchronized (destinationListList) {
            Iterator<DestinationList> itr = destinationListList.values().iterator();
            while (itr.hasNext()) {
                itr.next().valid = false;
            }
        }
        try {
            partitionMonitor.shutdown();
            if (!partitionMonitor.awaitTermination(30, TimeUnit.SECONDS)) {
                Globals.getLogger().log(Logger.INFO, "Force  partition monitor shutdown");
                partitionMonitor.shutdownNow();
                partitionMonitor.awaitTermination(10, TimeUnit.SECONDS);
            }
        } catch (InterruptedException e) {
            partitionMonitor.shutdownNow();
        }
    }

    public static boolean isShutdown() {
        return shutdown;
    }

    public static Destination[] createDestination(PartitionedStore ps, String name, int type, boolean store, boolean autocreated, Object from)
            throws BrokerException, IOException {

        ConnectionUID uid = null;
        boolean remote = false;
        if (from instanceof ConnectionUID) {
            uid = (ConnectionUID) from;
        }
        if (from instanceof BrokerAddress) {
            remote = ((BrokerAddress) from).equals(Globals.getMyAddress());
        }

        Destination[] ret = null;
        DestinationList dl = null;
        if (ps != null) {
            dl = destinationListList.get(ps);
            Destination d = dl.createDestination(name, type, store, autocreated, uid, !remote, DestType.isLocal(type));
            ret = new Destination[] { d };
        }
        int i = 0;
        synchronized (destinationListList) {
            int sz = destinationListList.size();
            Destination[] dsts = new Destination[(sz == 0 ? 1 : sz)];
            dsts[0] = null;
            Iterator<DestinationList> itr = destinationListList.values().iterator();
            while (itr.hasNext()) {
                dl = itr.next();
                dsts[i++] = dl.createDestination(name, type, store, autocreated, uid, !remote, DestType.isLocal(type));
            }
            if (ps == null) {
                return dsts;
            }
        }
        return ret;
    }

    // XXX : The public createDestination methods can be renamed so
    // that it is easier to find the right variant. (e.g.
    // createTempDestination, createAutoDestination,
    // createClusterDestination etc...

    private Destination createDestination(String name, int type, boolean store, boolean autocreated, ConnectionUID uid, boolean notify, boolean localOnly)
            throws BrokerException, IOException {

        DestinationUID duid = new DestinationUID(name, DestType.isQueue(type));
        if (!valid) {
            if (!DL.isPartitionMode()) {
                throw new BrokerException(Globals.getBrokerResources().getKString(BrokerResources.X_SHUTTING_DOWN_BROKER),
                        BrokerResources.X_SHUTTING_DOWN_BROKER, (Throwable) null, Status.ERROR);
            } else {
                throw new BrokerException(br.getKString(br.I_PARTITION_IS_CLOSING, logsuffix));
            }
        }
        if (destinationList.get(duid) != null) {
            throw new ConflictException(Globals.getBrokerResources().getKString(BrokerResources.X_DESTINATION_EXISTS, duid));
        }
        // OK, check the persistent store (required for HA)
        try {
            Destination d = pstore.getDestination(duid);
            if (d != null) {
                d.setDestinationList(this);
                addDestination(d, false);
                return d;
            }
        } catch (Exception ex) {
            // ignore we want to create it
        }

        ClusterBroadcast mbi = Globals.getClusterBroadcast();

        boolean clusterNotify = false;
        Destination d = null;
        try {
            if (DestType.isQueue(type)) {
                d = new Queue(name, type, store, uid, autocreated, this);
            } else {
                d = new Topic(name, type, store, uid, autocreated, this);
            }
            d.setClusterNotifyFlag(notify);

            try {
                synchronized (destinationList) {
                    Destination newd = (Destination) destinationList.get(duid);
                    if (newd != null) { // updating existing
                        String emsg = Globals.getBrokerResources().getKString(BrokerResources.X_DESTINATION_EXISTS, duid.getLongString());
                        throw new BrokerException(emsg, Status.CONFLICT);
                    }

                    if (!autocreated) {
                        d.setIsLocal(localOnly);
                    }
                    if (store) {
                        d.store();
                    }
                    destinationList.put(duid, d);
                }
            } catch (BrokerException ex) {
                // may happen with timing of two brokers in an
                // HA cluster
                // if this happens, we should try to re-load the
                // destination
                //
                // so if we get a Broker Exception, throw a new
                // Conflict message
                if (ex.getStatusCode() != Status.CONFLICT) {
                    throw new BrokerException(ex.getMessage(), ex, Status.CONFLICT);
                }
                throw ex;

            }
            clusterNotify = !d.isAutoCreated() && d.sendClusterUpdate() && notify;

            if (mbi != null && clusterNotify) { // only null in standalone tonga test
                // prevents two creates at the same time
                // if this is a response to a creation on another broker ..
                // dont worry about locking
                if (!mbi.lockDestination(duid, uid)) {
                    throw new ConflictException("Internal Exception:" + " Destination " + duid + " is in the process" + " of being created");
                }
            }
            if (clusterNotify && mbi != null) {
                // we dont care about updating other brokers for
                // autocreated, internal or admin destinations
                // we may or may not update local dests (depends on version
                // of cluster)
                mbi.createDestination(d);
            }
        } finally {
            if (mbi != null && clusterNotify) { // only null in tonga test
                mbi.unlockDestination(duid, uid);
            }
        }

        // NOW ATTACH ANY WILDCARD PRODUCERS OR CONSUMERS
        Iterator itr = Consumer.getWildcardConsumers();
        while (itr.hasNext()) {
            ConsumerUID cuid = (ConsumerUID) itr.next();
            Consumer c = Consumer.getConsumer(cuid);
            if (c == null) {
                Globals.getLogger().log(Logger.INFO, "Consumer already destroyed");
                continue;
            }
            DestinationUID wuid = c.getDestinationUID();
            // compare the uids
            if (DestinationUID.match(d.getDestinationUID(), wuid)) {
                try {
                    // attach the consumer
                    if (c.getSubscription() != null) {
                        d.addConsumer(c.getSubscription(), false /* XXX- TBD */);
                    } else {
                        d.addConsumer(c, false);
                    }

                } catch (SelectorFormatException ex) {
                    // LKS TBD
                }
            }
        }

        itr = Producer.getWildcardProducers();
        while (itr.hasNext()) {
            ProducerUID puid = (ProducerUID) itr.next();
            Producer p = (Producer) Producer.getProducer(puid);
            DestinationUID wuid = p.getDestinationUID();
            // compare the uids
            if (DestinationUID.match(d.getDestinationUID(), wuid)) {
                // attach the consumer
                d.addProducer(p);
            }
        }

        Agent agent = Globals.getAgent();
        if (agent != null) {
            agent.registerDestination(d);
            agent.notifyDestinationCreate(d);
        }
        return d;
    }

    public static Destination[] removeDestination(PartitionedStore ps, String name, boolean isQueue, String reason) throws IOException, BrokerException {

        DestinationUID duid = new DestinationUID(name, isQueue);
        return removeDestination(ps, duid, true, reason);
    }

    public static Destination[] removeDestination(PartitionedStore ps, DestinationUID uid, boolean notify, String reason) throws IOException, BrokerException {
        Destination[] ret = null;
        DestinationList dl = null;
        if (ps != null) {
            dl = destinationListList.get(ps);
            Destination d = dl.removeDestination(uid, true, reason);
            ret = new Destination[] { d };
        }
        int i = 0;
        synchronized (destinationListList) {
            int sz = destinationListList.size();
            Destination[] dsts = new Destination[(sz == 0 ? 1 : sz)];
            dsts[0] = null;
            Iterator<DestinationList> itr = destinationListList.values().iterator();
            while (itr.hasNext()) {
                dl = itr.next();
                dsts[i++] = dl.removeDestination(uid, notify, reason);
            }
            if (ps == null) {
                return dsts;
            }
        }
        return ret;
    }

    Destination removeDestination(DestinationUID uid, boolean notify, String reason) throws IOException, BrokerException {

        Destination d = null;
        boolean noerrnotfound = Globals.getHAEnabled() && !notify;
        if (noerrnotfound) {
            // Quick check to see if dst is in memory; doesn't load/initialize
            d = findDestination(uid);
            if (d != null && !d.isTemporary()) {
                // Because temp dst can be deleted in HA, do this check to avoid
                // getting error during load if it has already been deleted
                d = getDestination(uid);
            }
        } else {
            d = getDestination(uid);
        }

        if (d != null) {
            if (d.isDMQ) {
                throw new BrokerException(Globals.getBrokerResources().getKString(BrokerResources.X_DMQ_INVAID_DESTROY));
            } else if (notify && d.sendClusterUpdate() && !d.isTemporary()) {
                Globals.getClusterBroadcast().recordRemoveDestination(d);
            }

            int level = (DestType.isAdmin(d.getType()) ? Logger.DEBUG : Logger.INFO);
            Globals.getLogger().log(level, BrokerResources.I_DESTROYING_DESTINATION, d.getName());
        }

        try {
            d = (Destination) destinationList.get(uid);
            DestinationUID.clearUID(uid); // remove from cache
            if (d != null) {
                if (d.producers.size() > 0) {
                    String args[] = { d.getName(), String.valueOf(d.producers.size()), reason };

                    Globals.getLogger().log(Logger.WARNING, BrokerResources.W_DST_ACTIVE_PRODUCERS, args);
                }
                if (d.consumers.size() > 0) {
                    int csize = d.consumers.size();
                    boolean destroyDurables = false;
                    Set cons = new HashSet(d.consumers.values());
                    Iterator itr = cons.iterator();
                    while (itr.hasNext()) {
                        Consumer c = (Consumer) itr.next();
                        if (c instanceof Subscription && ((Subscription) c).isDurable()) {
                            destroyDurables = true;
                            Subscription s = (Subscription) c;
                            if (s.isActive()) {
                                csize += s.getActiveSubscriberCnt();
                            }
                            Subscription.unsubscribeOnDestroy(s.getDurableName(), s.getClientID(), notify);
                            csize--;
                        }
                    }
                    if (destroyDurables) {
                        Globals.getLogger().log(Logger.INFO, BrokerResources.I_DST_DURABLE_RM, d.toString(), reason);
                    }
                    if (csize > 0) {
                        String args[] = { d.getName(), String.valueOf(csize), reason };
                        Globals.getLogger().log(Logger.WARNING, BrokerResources.W_DST_ACTIVE_CONSUMERS, args);
                    }
                }
                if (d.size() > 0) {
                    logger.log(Logger.WARNING, br.getKString(br.W_REMOVING_DST_WITH_MSG, String.valueOf(d.size()), d.toString()) + logsuffix);
                }
                d.destroy(reason, noerrnotfound);
                if (notify && d.sendClusterUpdate()) {
                    Globals.getClusterBroadcast().destroyDestination(d);
                }

                Agent agent = Globals.getAgent();
                if (agent != null) {
                    agent.notifyDestinationDestroy(d);
                    agent.unregisterDestination(d);
                }
            }
        } finally {
            d = (Destination) destinationList.remove(uid);
        }
        return d;
    }

    public static boolean removeDestination(PartitionedStore ps, Destination dest, String reason) throws IOException, BrokerException {

        Destination[] dsts = removeDestination(ps, dest.getDestinationUID(), true, reason);
        return (dsts != null && dsts.length == 1);
    }

    /**
     * id is the ID (if any) to match mast is the DestType to match
     *
     * @param id is either a BrokerAddress or a ConnectionUID
     */
    private Iterator getDestinations(Object id, int mask) {

        List tq = new ArrayList();

        synchronized (destinationList) {
            Collection values = destinationList.values();
            Iterator itr = values.iterator();
            while (itr.hasNext()) {
                Destination dest = (Destination) itr.next();
                if (((dest.getType() & mask) == mask) && (id == null || id.equals(dest.getConnectionUID())
                        || ((id instanceof BrokerAddress) && id == Globals.getMyAddress() && dest.getClusterNotifyFlag() && dest.sendClusterUpdate())))

                {
                    tq.add(dest);
                }
            }

        }
        return tq.iterator();

    }

    public static Iterator[] getAllDestinations(PartitionedStore ps) {
        if (ps != null) {
            DestinationList dl = destinationListList.get(ps);
            if (dl == null) {
                return new Iterator[] { null };
            }
            return new Iterator[] { dl.getAllDestinations(ALL_DESTINATIONS_MASK) };
        }
        ArrayList<DestinationList> dls = null;
        synchronized (destinationListList) {
            dls = new ArrayList(destinationListList.values());
        }
        int sz = dls.size();
        Iterator[] itrs = new Iterator[(sz == 0 ? 1 : sz)];
        itrs[0] = null;
        int i = 0;
        Iterator<DestinationList> itr = dls.iterator();
        while (itr.hasNext()) {
            itrs[i++] = itr.next().getAllDestinations(ALL_DESTINATIONS_MASK);
        }
        return itrs;
    }

    private Iterator getAllDestinations(int mask) {

        return getDestinations(null, mask);
    }

    public static Iterator[] getTempDestinations(PartitionedStore ps, BrokerAddress address) {
        if (ps != null) {
            DestinationList dl = destinationListList.get(ps);
            return new Iterator[] { dl.getDestinations(address, TEMP_DESTINATIONS_MASK) };
        }
        ArrayList<DestinationList> dls = null;
        synchronized (destinationListList) {
            dls = new ArrayList(destinationListList.values());
        }
        Iterator[] itrs = new Iterator[dls.size()];
        int i = 0;
        Iterator<DestinationList> itr = dls.iterator();
        while (itr.hasNext()) {
            itrs[i] = itr.next().getDestinations(address, TEMP_DESTINATIONS_MASK);
        }
        return itrs;
    }

    public static Iterator[] getStoredDestinations(PartitionedStore ps) {
        if (ps != null) {
            DestinationList dl = destinationListList.get(ps);
            Iterator itr = dl.getDestinations(null, (ALL_DESTINATIONS_MASK & (~DestType.DEST_TEMP)));
            return new Iterator[] { itr };
        }
        ArrayList<DestinationList> dls = null;
        synchronized (destinationListList) {
            dls = new ArrayList(destinationListList.values());
        }
        Iterator[] itrs = new Iterator[dls.size()];
        int i = 0;
        Iterator<DestinationList> itr = dls.iterator();
        while (itr.hasNext()) {
            itrs[i] = itr.next().getDestinations(null, (ALL_DESTINATIONS_MASK & (~DestType.DEST_TEMP)));
        }
        return itrs;
    }

    private static ConfigListener cl = new ConfigListener() {
        @Override
        public void validate(String name, String value) throws PropertyUpdateException {

        }

        @Override
        public boolean update(String name, String value) {
            BrokerConfig cfg = Globals.getConfig();
            if (name.equals(SYSTEM_MAX_SIZE)) {
                setMaxSize(cfg.getSizeProperty(SYSTEM_MAX_SIZE));
            } else if (name.equals(SYSTEM_MAX_COUNT)) {
                setMaxMessages(cfg.getIntProperty(SYSTEM_MAX_COUNT));
            } else if (name.equals(MAX_MESSAGE_SIZE)) {
                setIndividualMessageMax(cfg.getSizeProperty(MAX_MESSAGE_SIZE));
            } else if (name.equals(AUTO_QUEUE_STR)) {
                ALLOW_QUEUE_AUTOCREATE = cfg.getBooleanProperty(AUTO_QUEUE_STR);
            } else if (name.equals(AUTO_TOPIC_STR)) {
                ALLOW_TOPIC_AUTOCREATE = cfg.getBooleanProperty(AUTO_TOPIC_STR);
            } else if (name.equals(DST_REAP_STR)) {
                AUTOCREATE_EXPIRE = cfg.getLongProperty(DST_REAP_STR) * 1000L;
            } else if (name.equals(MSG_REAP_STR)) {
                MESSAGE_EXPIRE = cfg.getLongProperty(MSG_REAP_STR) * 1000L;
            } else if (name.equals(AUTO_MAX_NUM_MSGS)) {
                defaultMaxMsgCnt = cfg.getIntProperty(AUTO_MAX_NUM_MSGS);
            } else if (name.equals(AUTO_MAX_TOTAL_BYTES)) {
                defaultMaxMsgBytes = cfg.getSizeProperty(AUTO_MAX_TOTAL_BYTES);
            } else if (name.equals(AUTO_MAX_BYTES_MSG)) {
                defaultMaxBytesPerMsg = cfg.getSizeProperty(AUTO_MAX_BYTES_MSG);
            } else if (name.equals(AUTO_MAX_NUM_PRODUCERS)) {
                defaultProducerCnt = cfg.getIntProperty(AUTO_MAX_NUM_PRODUCERS);
            } else if (name.equals(AUTO_LOCAL_ONLY)) {
                defaultIsLocal = cfg.getBooleanProperty(AUTO_LOCAL_ONLY);
            } else if (name.equals(AUTO_LIMIT_BEHAVIOR)) {
                defaultLimitBehavior = DestLimitBehavior.getStateFromString(Globals.getConfig().getProperty(AUTO_LIMIT_BEHAVIOR));
            } else if (name.equals(USE_DMQ_STR)) {
                autocreateUseDMQ = cfg.getBooleanProperty(USE_DMQ_STR);
            } else if (name.equals(TRUNCATE_BODY_STR)) {
                storeBodyWithDMQ = !cfg.getBooleanProperty(TRUNCATE_BODY_STR);
            } else if (name.equals(LOG_MSGS_STR)) {
                verbose = cfg.getBooleanProperty(LOG_MSGS_STR);
            } else if (name.equals(DEBUG_LISTS_PROP)) {
                DEBUG_LISTS = Boolean.valueOf(value);
            } else if (name.equals(CHECK_MSGS_RATE_AT_DEST_CAPACITY_RATIO_PROP)) {
                CHECK_MSGS_RATE_AT_DEST_CAPACITY_RATIO = cfg.getIntProperty(CHECK_MSGS_RATE_AT_DEST_CAPACITY_RATIO_PROP);
            } else if (name.equals(CHECK_MSGS_RATE_FOR_ALL_PROP)) {
                CHECK_MSGS_RATE_FOR_ALL = cfg.getBooleanProperty(CHECK_MSGS_RATE_FOR_ALL_PROP);
            }
            return true;
        }

    };

    public static void doCheckpoint(PartitionedStore ps, boolean sync) {
        if (ps != null) {
            if (ps instanceof TxnLoggingStore) {
                ((TxnLoggingStore) ps).doCheckpoint(sync);
            }
            return;
        }
        ArrayList<PartitionedStore> stores = null;
        synchronized (destinationListList) {
            stores = new ArrayList(destinationListList.keySet());
        }
        Iterator<PartitionedStore> itr = stores.iterator();
        while (itr.hasNext()) {
            ps = itr.next();
            if (ps instanceof TxnLoggingStore) {
                Globals.getLogger().log(Logger.INFO, Globals.getBrokerResources().getKString(BrokerResources.I_CHECKPOINT_BROKER + "[" + ps + "]"));
                ((TxnLoggingStore) ps).doCheckpoint(sync);
            }
        }
    }

    public static boolean isPartitionMode() {
        if (!partitionModeInited) {
            throw new IllegalStateException("DestinationList not initialized !");
        }
        return partitionMode;
    }

    public static boolean isPartitionMigratable() {
        if (!partitionModeInited) {
            throw new IllegalStateException("DestinationList not initialized !");
        }
        return partitionMigratable;
    }

    /**
     */
    public static void init() throws BrokerException {

        if (inited) {
            if (shutdown) {
                throw new BrokerException(Globals.getBrokerResources().getKString(BrokerResources.X_SHUTTING_DOWN_BROKER));
            }
            return;
        }
        shutdown = false;
        inited = true;

        if (canAutoCreate(true)) {
            Globals.getLogger().log(Logger.INFO, BrokerResources.I_QUEUE_AUTOCREATE_ENABLED);
        }
        if (!canAutoCreate(false)) {
            Globals.getLogger().log(Logger.INFO, BrokerResources.I_TOPIC_AUTOCREATE_DISABLED);
        }

        BrokerConfig cfg = Globals.getConfig();

        // OK add listeners for the properties
        cfg.addListener(SYSTEM_MAX_SIZE, cl);
        cfg.addListener(SYSTEM_MAX_COUNT, cl);
        cfg.addListener(MAX_MESSAGE_SIZE, cl);
        cfg.addListener(AUTO_QUEUE_STR, cl);
        cfg.addListener(AUTO_TOPIC_STR, cl);
        cfg.addListener(DST_REAP_STR, cl);
        cfg.addListener(MSG_REAP_STR, cl);
        cfg.addListener(AUTO_MAX_NUM_MSGS, cl);
        cfg.addListener(AUTO_MAX_TOTAL_BYTES, cl);
        cfg.addListener(AUTO_MAX_BYTES_MSG, cl);
        cfg.addListener(AUTO_MAX_NUM_PRODUCERS, cl);
        cfg.addListener(AUTO_LOCAL_ONLY, cl);
        cfg.addListener(AUTO_LIMIT_BEHAVIOR, cl);
        cfg.addListener(USE_DMQ_STR, cl);
        cfg.addListener(TRUNCATE_BODY_STR, cl);
        cfg.addListener(LOG_MSGS_STR, cl);
        cfg.addListener(DEBUG_LISTS_PROP, cl);
        cfg.addListener(CHECK_MSGS_RATE_AT_DEST_CAPACITY_RATIO_PROP, cl);
        cfg.addListener(CHECK_MSGS_RATE_FOR_ALL_PROP, cl);

        // now configure the system based on the properties
        setMaxSize(cfg.getSizeProperty(SYSTEM_MAX_SIZE));
        setMaxMessages(cfg.getIntProperty(SYSTEM_MAX_COUNT));
        setIndividualMessageMax(cfg.getSizeProperty(MAX_MESSAGE_SIZE));

        Queue.init();

        if (Globals.getStore().getPartitionModeEnabled()) {
            try {
                String typ = cfg.getProperty(CONN_STRATEGY_PROP, CONN_STRATEGY_DEFAULT);
                String cl = null;
                if (typ.equalsIgnoreCase(MIN_CONN_STRATEGY)) {
                    cl = MIN_CONN_STRATEGY_CLASS;
                } else if (typ.equalsIgnoreCase(RR_CONN_STRATEGY)) {
                    cl = RR_CONN_STRATEGY_CLASS;
                } else {
                    Globals.getLogger().log(Logger.WARNING, "XXXIngore unknown " + typ + " for " + CONN_STRATEGY_PROP);
                    cl = MIN_CONN_STRATEGY_CLASS;
                }
                if (Globals.isNucleusManagedBroker()) {
                    partitionStrategy = Globals.getHabitat().getService(ConnToPartitionStrategy.class, cl);
                } else {
                    partitionStrategy = (ConnToPartitionStrategy) Class.forName(cl).newInstance();
                }
            } catch (Exception e) {
                throw new BrokerException(e.getMessage(), e);
            }
        }

        DestinationList dl = null;
        List<PartitionedStore> partitions = Globals.getStore().getAllStorePartitions();
        if (Globals.getStore().getPartitionModeEnabled()) {
            partitionMode = true;
            if (Globals.getStore().isPartitionMigratable()) {
                partitionMigratable = true;
            }
        } else if (partitions.size() > 1) {
            BrokerException ex = new BrokerException(Globals.getBrokerResources().getKString(BrokerResources.E_INTERNAL_BROKER_ERROR,
                    "Unexpected " + partitions.size() + "store partitions when partition mode disabled"));
            Globals.getLogger().logStack(Logger.ERROR, ex.getMessage(), ex);
            throw ex;
        }
        partitionModeInited = true;

        PartitionedStore partition = null;
        Iterator<PartitionedStore> itr1 = partitions.iterator();
        while (itr1.hasNext()) {
            partition = itr1.next();
            dl = new DestinationList(partition);
            destinationListList.put(partition, dl);
        }

        TransactionList tl = null;
        Iterator<DestinationList> itr2 = destinationListList.values().iterator();
        while (itr2.hasNext()) {
            dl = itr2.next();
            tl = new TransactionList(dl);
            dl.setTransactionList(tl);
        }
        Iterator<DestinationList> itr = destinationListList.values().iterator();
        while (itr.hasNext()) {
            dl = itr.next();
            dl.loadDestinations();
            addPartitionListener(dl.getTransactionList());
            notifyPartitionAdded(dl.getPartitionedStore(), dl);
        }
    }

    public static void acquirePartitionLock(boolean share) throws BrokerException {
        if (!partitionMode) {
            return;
        }
        Lock lock = partitionShareLock;
        if (!share) {
            lock = partitionExclusiveLock;
        }
        try {
            if (lock.tryLock(partitionLockTimeout, TimeUnit.SECONDS)) {
                return;
            }
            throw new BrokerException("XXXAcquire partition lock timed out", Status.TIMEOUT);
        } catch (InterruptedException e) {
            throw new BrokerException("XXX Acquire partition lock interrupted", e);
        }
    }

    public static void releasePartitionLock(boolean share) {
        if (!partitionMode) {
            return;
        }
        if (share) {
            partitionShareLock.unlock();
        } else {
            partitionExclusiveLock.unlock();
        }
    }

    public static void registerPartitionLoadEvent(UID partitionID) {
        partitionMonitor.execute(new PartitionMonitorTask(PartitionMonitorTask.PARTITION_RELOAD, partitionID, null));
    }

    public static void registerPartitionArrivedEvent(UID partitionID, String sourceBrokerID) {
        partitionMonitor.execute(new PartitionMonitorTask(PartitionMonitorTask.PARTITION_ARRIVED, partitionID, sourceBrokerID));
    }

    public static void registerPartitionArrivalNotificationEvent(UID partitionID, String targetBrokerID) {

        partitionMonitor.execute(new PartitionMonitorTask(PartitionMonitorTask.PARTITION_ARRIVAL_NOTIFICATION, partitionID, targetBrokerID));
    }

    public static void registerPartitionArrivalCheckEvent() {
        partitionMonitor.execute(new PartitionMonitorTask(PartitionMonitorTask.PARTITION_ARRIVAL_CHECK, null, null));
    }

    public static void storePartitionArrived(UID partitionID) throws BrokerException {
        List<PartitionedStore> pstores = Globals.getStore().partitionArrived(partitionID);
        if (partitionID != null) {
            addStorePartition(pstores.get(0), true);
            return;
        }
        if (pstores.size() > 0) {
            Globals.getLogger().log(Logger.INFO, "Found " + pstores.size() + " arrived store partitions to be loaded");
        }
        Iterator<PartitionedStore> itr = pstores.iterator();
        while (itr.hasNext()) {
            addStorePartition(itr.next(), false);
        }
    }

    public static void addStorePartition(PartitionedStore ps, boolean errdup) throws BrokerException {
        acquirePartitionLock(false);
        try {
            synchronized (destinationListList) {
                if (destinationListList.get(ps) != null) {
                    String emsg = "Partition " + ps + " has already been loaded";
                    if (errdup) {
                        throw new BrokerException(emsg);
                    }
                    Globals.getLogger().log(Logger.INFO, emsg);
                    return;
                }
                DestinationList dl = new DestinationList(ps);
                TransactionList tl = new TransactionList(dl);
                dl.setTransactionList(tl);
                dl.loadDestinations();
                Subscription.initDuraSubscriptions(dl);
                Subscription.initNonDuraSharedSubscriptions(dl);
                Consumer.attachConsumers(dl);
                destinationListList.put(ps, dl);
                tl.postProcess();
                addPartitionListener(tl);
                notifyPartitionAdded(ps, dl);
            }
        } finally {
            releasePartitionLock(false);
        }
    }

    public static void addPartitionListener(PartitionListener listener) {
        synchronized (partitionListeners) {
            partitionListeners.add(listener);
        }
    }

    public static void removePartitionListener(PartitionListener listener) {
        synchronized (partitionListeners) {
            partitionListeners.remove(listener);
        }
    }

    private static void notifyPartitionRemoved(PartitionedStore ps, DestinationList dl, String targetBroker) {
        synchronized (partitionListeners) {
            Iterator<PartitionListener> itr = partitionListeners.iterator();
            while (itr.hasNext()) {
                itr.next().partitionRemoved(ps.getPartitionID(), dl, targetBroker);
            }
        }
    }

    private static void notifyPartitionAdded(PartitionedStore ps, DestinationList dl) {
        synchronized (partitionListeners) {
            Iterator<PartitionListener> itr = partitionListeners.iterator();
            while (itr.hasNext()) {
                itr.next().partitionAdded(ps.getPartitionID(), dl);
            }
        }
    }

    public static int getNumPartitions() {
        synchronized (destinationListList) {
            return destinationListList.keySet().size();
        }
    }

    public static DestinationList getDestinationList(UID partitionID) {
        if (partitionID == null) {
            return null;
        }
        synchronized (destinationListList) {
            return destinationListList.get(new NoPersistPartitionedStoreImpl(partitionID));
        }
    }

    public static void movePartition(UID partitionID, String brokerID) throws BrokerException {
        if (!isPartitionMigratable()) {
            throw new BrokerException(Globals.getBrokerResources().getKString(BrokerResources.X_PARTITION_NOT_MIGRATABLE), Status.PRECONDITION_FAILED);
        }
        PartitionedStore pstore = null;
        synchronized (destinationListList) {
            pstore = new NoPersistPartitionedStoreImpl(partitionID);
            DestinationList dl = destinationListList.get(pstore);
            if (dl == null) {
                throw new BrokerException(Globals.getBrokerResources().getKString(BrokerResources.X_PARTITION_NOT_FOUND, partitionID),
                        Status.PRECONDITION_FAILED);
            }
            if (dl.getPartitionedStore().isPrimaryPartition()) {
                throw new BrokerException(Globals.getBrokerResources().getKString(BrokerResources.X_MIGRATE_PRIMARY_PARTITION_NOT_ALLOWED, partitionID),
                        Status.NOT_ALLOWED);
            }
            dl.valid = false;
            notifyPartitionRemoved(pstore, dl, brokerID);
            pstore = dl.getPartitionedStore();

            dl.closeAttachedConnections(GoodbyeReason.MIGRATE_PARTITION, "XXXAdmin request to move partition: " + partitionID);

            destinationListList.remove(pstore);

            Consumer con = null;
            Iterator itr = Consumer.getAllConsumers(true);
            while (itr.hasNext()) {
                con = (Consumer) itr.next();
                con.setParentList(pstore, null);
            }
            Destination d = null;
            itr = dl.getDestinations(null, ALL_DESTINATIONS_MASK);
            while (itr.hasNext()) {
                d = (Destination) itr.next();
                d.unload(true, true);
            }

            pstore.close();
            Globals.getStore().partitionDeparture(partitionID, brokerID);

            dl.clearDestinations();
        }
    }

    public static PartitionedStore assignStorePartition(int serviceType, ConnectionUID connid, UID storeSession) throws BrokerException {

        PartitionedStore pstore = null;
        DestinationList dl = null;

        if (partitionMode && serviceType == ServiceType.ADMIN) {
            synchronized (destinationListList) {
                if (destinationListList.size() == 0) {
                    throw new BrokerException("IllegalStateException: DestinationList not inited !");
                }
                dl = destinationListList.get(Globals.getStore().getPrimaryPartition());
                dl.attachConnection(connid);
                return dl.getPartitionedStore();
            }
        }
        if (storeSession != null && Globals.getStore().getPartitionModeEnabled()) {
            PartitionedStore tmpps = new NoPersistPartitionedStoreImpl(storeSession);
            synchronized (destinationListList) {
                dl = destinationListList.get(tmpps);
                if (dl == null) {
                    throw new BrokerException(Globals.getBrokerResources().getKString(BrokerResources.I_CONN_REQUEST_PARTITION_NOT_FOUND, storeSession, connid),
                            Status.NOT_FOUND);
                }
                dl.attachConnection(connid);
                pstore = dl.getPartitionedStore();
            }
            Globals.getLogger().log(Logger.INFO, Globals.getBrokerResources().getKString(BrokerResources.I_ASSIGN_REQUESTED_PARTITION_TO_CONN, pstore, connid));
            return pstore;
        }

        while (!shutdown) {
            ArrayList<ConnToPartitionStrategyContext> dls = null;
            synchronized (destinationListList) {
                dls = new ArrayList<>(destinationListList.values());
            }
            if (dls.size() == 0) {
                throw new BrokerException("XXXIllegalState: DestinationList not inited !");
            }
            if (dls.size() == 1) {
                dl = (DestinationList) dls.get(0);
                synchronized (destinationListList) {
                    dl.attachConnection(connid);
                }
                pstore = dl.getPartitionedStore();
                if (Globals.getStore().getPartitionModeEnabled()) {
                    Globals.getLogger().log(Logger.INFO, Globals.getBrokerResources().getKString(BrokerResources.I_ASSIGN_CONN_PARTITION, pstore, connid));
                }
                return pstore;
            }
            if (partitionStrategy != null) {
                pstore = partitionStrategy.chooseStorePartition(dls);
            } else {
                pstore = dls.get(0).getPartitionedStore();
            }

            synchronized (destinationListList) {
                dl = destinationListList.get(pstore);
                if (dl == null) {
                    continue;
                }
                if (!dl.isValid()) {
                    continue;
                }
                dl.attachConnection(connid);
            }
            pstore = dl.getPartitionedStore();
            Globals.getLogger().log(Logger.INFO, Globals.getBrokerResources().getKString(BrokerResources.I_ASSIGN_CONN_PARTITION, pstore, connid));
            return pstore;
        }
        throw new BrokerException(Globals.getBrokerResources().getKString(BrokerResources.X_SHUTTING_DOWN_BROKER), BrokerResources.X_SHUTTING_DOWN_BROKER);
    }

    public static void unassignStorePartition(ConnectionUID connid, PartitionedStore pstore) {
        if (pstore == null) {
            return;
        }
        synchronized (destinationListList) {
            DestinationList dl = destinationListList.get(pstore);
            if (dl == null) {
                return;
            }
            dl.detachConnection(connid);
        }
    }

    /**
     * caller must synchronized on destinationListList
     */
    private void attachConnection(ConnectionUID connid) throws BrokerException {
        if (!valid) {
            throw new BrokerException(br.getKString(br.I_PARTITION_IS_CLOSING, logsuffix));
        }
        synchronized (connections) {
            connections.add(connid);
        }
    }

    private void detachConnection(ConnectionUID connid) {
        synchronized (connections) {
            connections.remove(connid);
        }
    }

    private void closeAttachedConnections(int reason, String reasonStr) {

        ConnectionManager cmgr = Globals.getConnectionManager();
        ConnectionUID cuid = null;
        Connection con = null;
        synchronized (connections) {
            logger.log(logger.INFO, "Sending good-bye to all assigned connections(" + connections.size() + ") for partition " + this);

            ConnectionUID[] conids = connections.toArray(new ConnectionUID[connections.size()]);
            for (int i = 0; i < conids.length; i++) {
                cuid = conids[i];
                con = cmgr.getConnection(cuid);
                if (con == null) {
                    connections.remove(cuid);
                    continue;
                }
                con.closeConnection(true, reason, reasonStr);
                connections.remove(cuid);
            }
        }
    }

    @Override
    public int getConnectionCount() {
        synchronized (connections) {
            return connections.size();
        }
    }

    @Override
    public long getPersistMessageCount() {
        // XXX to be implemented
        return 0L;
    }

    /**
     * sets the maximum size of an individual message
     *
     * @param size the size limit for a message (0 is no message maximum)
     */
    public static void setIndividualMessageMax(SizeString size) {

        if (size == null) {
            size = new SizeString();
        }

        individual_max_size = size;
        long bytesize = size.getBytes();
        //
        // Bug id = 6366551
        // Esc id = 1-13890503
        //
        // 28/02/2006 - Tom Ross
        // forward port by Isa Hashim July 18 2006
        //
        if (bytesize <= 0) {
            bytesize = Long.MAX_VALUE;
        }
        // end of bug change

        // Inform packet code of the largest packet size allowed
        Packet.setMaxPacketSize(bytesize);

        // update memory
        if (Globals.getMemManager() != null) {
            Globals.getMemManager().updateMaxMessageSize(bytesize);
        }

    }

    /**
     * sets the maximum # of messages (total = swap & memory)
     *
     * @param messages the maximum number of messages (0 is no message maximum)
     */
    public static void setMaxMessages(long messages) {

        message_max_count = messages;
    }

    public static long getMaxMessages() {

        return message_max_count;
    }

    /**
     * sets the maximum size of all messages (total = swap & memory)
     *
     * @param size the maximum size of messages (0 is no message size maximum)
     */
    public static void setMaxSize(SizeString size) {

        if (size == null) {
            size = new SizeString();
        }
        max_size = size;
    }

    public static PacketReference get(PartitionedStore ps, SysMessageID id) {

        return get(ps, id, true);
    }

    public static PacketReference get(PartitionedStore ps, SysMessageID id, boolean wait) {
        DestinationList dl = null;
        if (ps != null) {
            dl = destinationListList.get(ps);
            if (dl == null) {
                Globals.getLogger().log(Logger.WARNING, Globals.getBrokerResources().getKString(BrokerResources.X_PARTITION_NOT_FOUND, ps));
                return null;
            }
            return dl.get(id, wait);
        }

        PacketReference ref = null;
        synchronized (destinationListList) {
            Iterator<DestinationList> itr = destinationListList.values().iterator();
            while (itr.hasNext()) {
                dl = itr.next();
                DestinationUID uid = dl.getPacketListFirst(id);
                if (uid == null) {
                    continue;
                }
                Destination d = (Destination) dl.destinationList.get(uid);
                if (d == null) {
                    continue;
                }
                ref = d.destMessages.get(id);
                if (ref == null) {
                    continue;
                }
                break;
            }
        }
        if (ref == null) {
            return ref;
        }
        return ref.checkLock(wait);
    }

    PacketReference get(SysMessageID id, boolean wait) {

        DestinationUID uid = getPacketListFirst(id);
        if (uid == null) {
            return null;
        }
        Destination d = (Destination) destinationList.get(uid);
        if (d == null) {
            return null;
        }
        PacketReference ref = d.destMessages.get(id);
        if (ref == null) {
            return null;
        }
        return ref.checkLock(wait);
    }

    public static boolean isLocked(PartitionedStore ps, SysMessageID id) {
        if (ps != null) {
            return destinationListList.get(ps).isLocked(id);
        }
        PacketReference ref = get(null, id, false);
        if (ref == null) {
            return false;
        }
        return (ref.checkLock(false) == null);
    }

    private boolean isLocked(SysMessageID id) {

        DestinationUID uid = getPacketListFirst(id);
        if (uid == null) {
            return false;
        }
        Destination d = (Destination) destinationList.get(uid);
        if (d == null) {
            return false;
        }
        PacketReference ref = d.destMessages.get(id);
        if (ref == null) {
            return false;
        }
        return (ref.checkLock(false) == null);
    }

    /**
     * adds information on the new message to the globals tables. It may or may not change the size (since the size may
     * already have been taken into account
     *
     * @param checkLimits true if message is new, false if it is just being loaded into memory
     * @param ref the reference to use
     * @return true if the message was added, false it if wasnet because it had expired
     * @throws BrokerException if a system limit has been exceeded
     */
    static PacketListDMPair addNewMessage(PartitionedStore ps, boolean checkLimits, PacketReference ref) throws BrokerException {
        if (ps == null) {
            throw new BrokerException("IllegalArgument: addNewMessage(null, " + ref + ")");
        }
        DestinationList dl = destinationListList.get(ps);
        if (dl == null) {
            throw new BrokerException(Globals.getBrokerResources().getKString(BrokerResources.X_PARTITION_NOT_FOUND, ps));
        }
        return dl.addNewMessage(checkLimits, ref);
    }

    /**
     * caller must call PacketListDMPair.nullRef() if remote msg after completes enqueuing the msg
     */
    PacketListDMPair addNewMessage(boolean checkLimits, PacketReference ref) throws BrokerException {

        if (checkLimits) {
            // existing msgs can not fail to add if limits are
            // exceeded, so we only need to do limit checks on
            // non admin stored messages
            checkSystemLimit(ref);
        }

        // Add to list
        PacketListDMPair dmp = packetlistAdd(ref.getSysMessageID(), ref.getDestinationUID(), ref);
        if (ref.isExpired()) {
            dmp.setReturn(false);
        } else {
            dmp.setReturn(true);
        }

        return dmp;
    }

    public static long checkSystemLimit(PacketReference ref) throws BrokerException {

        long room = -1;

        // check message size
        long indsize = individual_max_size.getBytes();
        if (indsize > 0 && ref.byteSize() > indsize) {
            String limitstr = individual_max_size.toString();

            String msgs[] = { String.valueOf(ref.byteSize()), ref.getSysMessageID().toString(), MAX_MESSAGE_SIZE, limitstr };
            throw new BrokerException(Globals.getBrokerResources().getKString(BrokerResources.X_IND_MESSAGE_SIZE_EXCEEDED, msgs),
                    BrokerResources.X_IND_MESSAGE_SIZE_EXCEEDED, (Throwable) null, Status.ENTITY_TOO_LARGE);
        }

        long newsize = 0;
        int newcnt = 0;
        synchronized (totalcntLock) {
            newcnt = totalcnt + 1;
            newsize = totalbytes + ref.byteSize();
        }

        // first check if we have exceeded our maximum message count
        if (message_max_count > 0 && newcnt > message_max_count) {
            String limitstr = (message_max_count <= 0 ? Globals.getBrokerResources().getString(BrokerResources.M_UNLIMITED)
                    : String.valueOf(message_max_count));
            throw new BrokerException(Globals.getBrokerResources().getKString(BrokerResources.X_MAX_MESSAGE_COUNT_EXCEEDED, limitstr, ref.getSysMessageID()),
                    BrokerResources.X_MAX_MESSAGE_COUNT_EXCEEDED, (Throwable) null, Status.RESOURCE_FULL);
        }
        if (message_max_count > 0) {
            room = message_max_count - totalcnt;
            if (room < 0) {
                room = 0;
            }
        }
        // now check if we have exceeded our maximum message size
        if (max_size.getBytes() > 0 && newsize > max_size.getBytes()) {
            String limitstr = (max_size.getBytes() <= 0 ? Globals.getBrokerResources().getString(BrokerResources.M_UNLIMITED) : max_size.toString());
            throw new BrokerException(Globals.getBrokerResources().getKString(BrokerResources.X_MAX_MESSAGE_SIZE_EXCEEDED, limitstr, ref.getSysMessageID()),
                    BrokerResources.X_MAX_MESSAGE_SIZE_EXCEEDED, (Throwable) null, Status.RESOURCE_FULL);
        }
        if (max_size.getBytes() > 0) {
            long cnt = (max_size.getBytes() - totalbytes) / ref.byteSize();
            if (cnt < 0) {
                cnt = 0;
            }
            if (cnt < room) {
                room = cnt;
            }
        }
        return room;
    }

    public static void adjustTotalBytes(long objsize) {
        synchronized (totalcntLock) {
            totalbytes += objsize;
        }
    }

    public static void adjustTotals(long dstsize, long objsize) {
        synchronized (totalcntLock) {
            totalcnt += dstsize;
            totalbytes += objsize;
        }
    }

    public static void incrementTotals(long objsize, boolean nonpersist) {
        synchronized (totalcntLock) {
            totalcnt++;
            if (objsize > 0) {
                totalbytes += objsize;
            }
            if (nonpersist) {
                totalcntNonPersist++;
            }
        }
    }

    public static void decrementTotals(long objsize, boolean nonpersist) {
        synchronized (totalcntLock) {
            totalcnt--;
            if (objsize > 0) {
                totalbytes -= objsize;
            }
            if (nonpersist) {
                totalcntNonPersist--;
            }
        }
    }

    public static int totalCount() {
        synchronized (totalcntLock) {
            assert totalcnt >= 0;
            return totalcnt;
        }
    }

    public static long totalBytes() {
        synchronized (totalcntLock) {
            assert totalbytes >= 0;
            return totalbytes;
        }
    }

    public static int totalCountNonPersist() {
        synchronized (totalcntLock) {
            assert totalcntNonPersist >= 0;
            return totalcntNonPersist;
        }
    }

    public static float totalCountPercent() {
        if (message_max_count <= 0) {
            return (float) 0.0;
        }
        synchronized (totalcntLock) {
            return ((float) totalcnt / (float) message_max_count) * 100;
        }
    }

    public static boolean canAutoCreate(boolean queue) {
        return (queue ? ALLOW_QUEUE_AUTOCREATE : ALLOW_TOPIC_AUTOCREATE);
    }

    public static boolean canAutoCreate(boolean queue, int type) {

        if (DestType.isTemporary(type)) {
            return false;
        }

        return (queue ? ALLOW_QUEUE_AUTOCREATE : ALLOW_TOPIC_AUTOCREATE);
    }

    private static class PartitionMonitorTask implements Runnable {

        public static final int PARTITION_RELOAD = 0;
        public static final int PARTITION_ARRIVED = 1;
        public static final int PARTITION_ARRIVAL_NOTIFICATION = 2;
        public static final int PARTITION_ARRIVAL_CHECK = 3;

        private int type = PARTITION_ARRIVAL_CHECK;
        private UID partitionID = null;
        private String brokerID = null;

        public PartitionMonitorTask(int type, UID partitionID, String brokerID) {
            this.type = type;
            this.partitionID = partitionID;
            this.brokerID = brokerID;
        }

        @Override
        public void run() {
            if (shutdown) {
                return;
            }

            Globals.getLogger().log(Logger.INFO, Globals.getBrokerResources().getKString(BrokerResources.I_EXECUTE_PARTITION_TASK, this.toString()));

            switch (type) {
            case PARTITION_RELOAD:
            case PARTITION_ARRIVED:
                try {
                    DL.storePartitionArrived(partitionID);
                } catch (BrokerException e) {
                    if (e.getStatusCode() == Status.PRECONDITION_FAILED || e.getStatusCode() == Status.NOT_ALLOWED) {
                        Globals.getLogger().log(Logger.ERROR, e.getMessage(), e);
                        return;
                    }
                    Globals.getLogger().logStack(Logger.WARNING, e.getMessage(), e);
                    Globals.getLogger().log(Logger.INFO, "Resubmit partition monitor task " + this);
                    Globals.getTimer(false).schedule(new ResubmitPartitionMonitorTask(this), 30 * 1000L);
                }
                break;
            case PARTITION_ARRIVAL_NOTIFICATION:
                Globals.getLogger().log(Logger.INFO,
                        Globals.getBrokerResources().getKString(BrokerResources.I_NOTIFY_BROKER_PARTITION_ARRIVAL, brokerID, partitionID));
                try {
                    Globals.getClusterBroadcast().notifyPartitionArrival(partitionID, brokerID);
                } catch (Exception e) {
                    if (e instanceof BrokerException && ((BrokerException) e).getStatusCode() == Status.NOT_FOUND) {
                        Globals.getLogger().log(Logger.INFO, e.getMessage());
                    } else {
                        Globals.getLogger().logStack(Logger.WARNING, e.getMessage(), e);
                    }
                    ClusteredBroker cb = Globals.getClusterManager().getBroker(brokerID);
                    if (cb == null) {
                        Globals.getLogger().log(Logger.INFO, "Broker " + brokerID + " not found, cancel partition monitor event " + this);
                        return;
                    }
                    if (BrokerStatus.getBrokerLinkIsDown(cb.getStatus())) {
                        Globals.getLogger().log(Logger.INFO, "Broker " + brokerID + " link is down, cancel partition monitor event " + this);
                        return;
                    }
                    Globals.getLogger().log(Logger.INFO, "Resubmit partition monitor task " + this);
                    Globals.getTimer(false).schedule(new ResubmitPartitionMonitorTask(this), 30 * 1000L);
                }
                break;
            case PARTITION_ARRIVAL_CHECK:
                try {
                    DL.storePartitionArrived(null);
                } catch (BrokerException e) {
                    Globals.getLogger().log(Logger.WARNING, this + ": " + e.getMessage());
                    if (e.getStatusCode() == Status.RETRY) {
                        Globals.getLogger().log(Logger.INFO, "Resubmit partition monitor task " + this);
                        Globals.getTimer(false).schedule(new ResubmitPartitionMonitorTask(this), 30 * 1000L);
                    }
                }
                break;
            default:
            }
        }

        @Override
        public String toString() {
            StringBuilder buf = new StringBuilder();
            switch (type) {
            case PARTITION_RELOAD:
                buf.append("PARTITION_RELOAD");
                break;
            case PARTITION_ARRIVED:
                buf.append("PARTITION_ARRIVED");
                break;
            case PARTITION_ARRIVAL_NOTIFICATION:
                buf.append("PARTITION_ARRIVAL_NOTIFICATION");
                break;
            case PARTITION_ARRIVAL_CHECK:
                buf.append("PARTITION_ARRIVAL_CHECK");
                break;
            default:
            }
            buf.append('[').append((partitionID == null ? "" : partitionID));
            buf.append(", ").append((brokerID == null ? "" : brokerID)).append(']');
            return buf.toString();
        }
    }

    private static class ResubmitPartitionMonitorTask extends TimerTask {

        private PartitionMonitorTask task = null;

        public ResubmitPartitionMonitorTask(PartitionMonitorTask task) {
            this.task = task;
        }

        @Override
        public void run() {
            if (shutdown) {
                cancel();
                return;
            }
            try {
                partitionMonitor.execute(task);
            } catch (Exception e) {
                if (!shutdown) {
                    Globals.getLogger().logStack(Logger.WARNING, "Can't resubmit partition monitor task " + task, e);
                }
            }
        }
    }
}
