Package com.swiftmq.swiftlet.queue

Class QueuePushTransaction

java.lang.Object

com.swiftmq.swiftlet.queue.QueueTransaction

com.swiftmq.swiftlet.queue.QueuePushTransaction

All Implemented Interfaces:

Recyclable

public class QueuePushTransaction
extends QueueTransaction

Transaction to push messages into a queue. It is created by a QueueSender

Author:

IIT GmbH, Bremen/Germany, Copyright (c) 2000-2002, All Rights Reserved

See Also:

• QueueSender.createTransaction()

Constructor Summary

Constructors

Constructor	Description
QueuePushTransaction()

Method Summary

Modifier and Type	Method	Description
void	commit(AsyncCompletionCallback callback)	Asynchronously commits the transaction and set the transaction state to closed
long	getFlowControlDelay()	Returns the flow control delay, computed after the transaction has been committed.
boolean	hasReceiver(MessageImpl message)	Checks all registered receivers and, if set, their message selectors whether this message will be received by one of them.
boolean	hasSpaceLeft()	Check whether the queue has enough space to store the number of messages in the transaction
void	putMessage(MessageImpl message)	Put a message into the queue
void	rollback()	Rollback of the transaction.
void	rollback(XidImpl globalTransactionId, boolean setRedelivered)	Rolls back the transaction with the given transaction id, eventually prepared under a global transaction id.
void	rollback(AsyncCompletionCallback callback)	Asynchronous rollback of the transaction.

Methods inherited from class com.swiftmq.swiftlet.queue.QueueTransaction

commit, commit, getAbstractQueue, getCompositeStoreTransaction, getQueue, getQueueName, getRecycleIndex, isClosed, isDoRollbackOnClose, isPrepared, isQueueRunning, isTemporaryQueue, lockQueue, prepare, reset, setCompositeStoreTransaction, setDoRollbackOnClose, setRecycleIndex, unlockQueue, unmarkAsyncActive, verifyTransactionState

Methods inherited from class java.lang.Object

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

Constructor Details

QueuePushTransaction

public QueuePushTransaction()

Method Details

getFlowControlDelay

public long getFlowControlDelay()

Returns the flow control delay, computed after the transaction has been committed.

Returns:

flow control delay.

hasReceiver

public boolean hasReceiver(MessageImpl message)

Checks all registered receivers and, if set, their message selectors whether this message will be received by one of them.

Parameters:

message -

Returns:

has receiver or not

hasSpaceLeft

public boolean hasSpaceLeft()

Check whether the queue has enough space to store the number of messages in the transaction

Returns:

true/false

putMessage

public void putMessage(MessageImpl message)
                throws QueueException,
QueueTransactionClosedException

Put a message into the queue

Parameters:

message - the message

Throws:

QueueException - thrown by the queue

QueueTransactionClosedException - if the transaction is closed

commit

public void commit(AsyncCompletionCallback callback)

Asynchronously commits the transaction and set the transaction state to closed

Parameters:

callback - async completion callback

rollback

public void rollback(XidImpl globalTransactionId,
 boolean setRedelivered)
              throws QueueException,
QueueTransactionClosedException

Rolls back the transaction with the given transaction id, eventually prepared under a global transaction id. If the flag setRedelivered is set then the JMS properties for redelivery and delivery count of messages pulled within this transaction are updated.

Specified by:

rollback in class QueueTransaction

Parameters:

globalTransactionId - global transaction id

setRedelivered - specifies JMS redelivery setting

Throws:

QueueException - on error

QueueTransactionClosedException

rollback

public void rollback()
              throws QueueException,
QueueTransactionClosedException

Rollback of the transaction.

Specified by:

rollback in class QueueTransaction

Throws:

QueueException - thrown by the queue

QueueTransactionClosedException - if the transaction is closed

rollback

public void rollback(AsyncCompletionCallback callback)

Asynchronous rollback of the transaction.

Parameters:

callback - async completion callback