org.mule.util.journal.queue
Class AbstractQueueTxJournalEntry<T>

java.lang.Object
  org.mule.util.journal.queue.AbstractQueueTxJournalEntry<T>

Type Parameters:

T - type of the entry identifier

All Implemented Interfaces:

JournalEntry<T>

Direct Known Subclasses:

LocalQueueTxJournalEntry, XaQueueTxJournalEntry

public abstract class AbstractQueueTxJournalEntry<T>
extends Object
implements JournalEntry<T>

Base implementation for a queue JournalEntry.

Constructor Summary

AbstractQueueTxJournalEntry(DataInputStream inputStream, MuleContext muleContext)

AbstractQueueTxJournalEntry(T txId, byte operation)

AbstractQueueTxJournalEntry(T txId, byte operation, String queueName, Serializable value)

Method Summary

protected abstract T	deserializeTxId(DataInputStream inputStream)
byte	getOperation()
String	getQueueName()
T	getTxId()
Serializable	getValue()
boolean	isAdd()
boolean	isAddFirst()
static boolean	isCheckpointOperation(byte operationAsByte)
boolean	isCommit()
boolean	isPrepare()
boolean	isRemove()
boolean	isRollback()
protected abstract void	serializeTxId(DataOutputStream outputStream)
void	write(DataOutputStream outputStream)

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractQueueTxJournalEntry

public AbstractQueueTxJournalEntry(T txId,
                                   byte operation,
                                   String queueName,
                                   Serializable value)

AbstractQueueTxJournalEntry

public AbstractQueueTxJournalEntry(T txId,
                                   byte operation)

AbstractQueueTxJournalEntry

public AbstractQueueTxJournalEntry(DataInputStream inputStream,
                                   MuleContext muleContext)
                            throws IOException

Throws:

IOException

Method Detail

write

public void write(DataOutputStream outputStream)

isCheckpointOperation

public static boolean isCheckpointOperation(byte operationAsByte)

getValue

public Serializable getValue()

getQueueName

public String getQueueName()

getTxId

public T getTxId()

Specified by:

getTxId in interface JournalEntry<T>

Returns:

the transaction identifier

getOperation

public byte getOperation()

isCommit

public boolean isCommit()

isRollback

public boolean isRollback()

isRemove

public boolean isRemove()

isAdd

public boolean isAdd()

isAddFirst

public boolean isAddFirst()

isPrepare

public boolean isPrepare()

deserializeTxId

protected abstract T deserializeTxId(DataInputStream inputStream)
                              throws IOException

Parameters:

inputStream - stream in from which the transaction id must be deserialized

Returns:

the deserialized transaction identifier

Throws:

IOException - in case the deserialization fails

serializeTxId

protected abstract void serializeTxId(DataOutputStream outputStream)
                               throws IOException

Parameters:

outputStream - stream used to serialize the transaction identifier

Throws:

IOException - in case the serialization fails