org.mule.util.journal.queue
Class AbstractQueueTransactionJournal<T,K extends JournalEntry<T>>

java.lang.Object
  org.mule.util.journal.queue.AbstractQueueTransactionJournal<T,K>

Type Parameters:

T - type of transaction identifier

K - type of the actual journal entry which must extend JournalEntry

Direct Known Subclasses:

LocalTxQueueTransactionJournal, XaTxQueueTransactionJournal

public abstract class AbstractQueueTransactionJournal<T,K extends JournalEntry<T>>
extends Object

Base implementation for a queue transaction journal.

Field Summary

protected org.apache.commons.logging.Log

logger

Constructor Summary

AbstractQueueTransactionJournal(String logFilesDirectory, JournalEntrySerializer journalEntrySerializer)

Method Summary

void	clear()
void	close()
protected abstract K	createCheckpointJournalEntry(T txId, byte operation) Creates a checkpoint JournalEntry.
protected abstract K	createUpdateJournalEntry(T txId, byte operation, String queueName, Serializable serialize) Creates a JournalEntry for an update operation in the queue.
com.google.common.collect.Multimap<T,K>	getAllLogEntries()
protected TransactionJournal<T,K>	getJournal()
Collection<K>	getLogEntriesForTx(T txId)
void	logAdd(T txId, QueueStore queue, Serializable value)
void	logAddFirst(T txId, QueueStore queue, Serializable item)
void	logCommit(T txId)
void	logRemove(T txId, QueueStore queue, Serializable value)
void	logRollback(T txId)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

logger

protected transient org.apache.commons.logging.Log logger

Constructor Detail

AbstractQueueTransactionJournal

public AbstractQueueTransactionJournal(String logFilesDirectory,
                                       JournalEntrySerializer journalEntrySerializer)

Method Detail

logAdd

public void logAdd(T txId,
                   QueueStore queue,
                   Serializable value)

logAddFirst

public void logAddFirst(T txId,
                        QueueStore queue,
                        Serializable item)

logRemove

public void logRemove(T txId,
                      QueueStore queue,
                      Serializable value)

logCommit

public void logCommit(T txId)

createUpdateJournalEntry

protected abstract K createUpdateJournalEntry(T txId,
                                              byte operation,
                                              String queueName,
                                              Serializable serialize)

Creates a JournalEntry for an update operation in the queue.

Parameters:

txId - transaction identifier

operation - operation done over the queue

queueName - queueName of the queue in which the operation has been done

serialize - value of the operation

Returns:

a new JournalEntry

createCheckpointJournalEntry

protected abstract K createCheckpointJournalEntry(T txId,
                                                  byte operation)

Creates a checkpoint JournalEntry.

Parameters:

txId - transaction identifier

operation - checkpoint operation

Returns:

a new JournalEntry

logRollback

public void logRollback(T txId)

close

public void close()

clear

public void clear()

getAllLogEntries

public com.google.common.collect.Multimap<T,K> getAllLogEntries()

getLogEntriesForTx

public Collection<K> getLogEntriesForTx(T txId)

getJournal

protected TransactionJournal<T,K> getJournal()