org.mule.util.queue
Class TransactionAwareQueueStore

java.lang.Object
  org.mule.util.queue.TransactionAwareQueueStore

All Implemented Interfaces:

NamedObject, Queue

public class TransactionAwareQueueStore
extends Object
implements Queue

Queue implementation that executes operations: - If there is no transaction context then executes the operation directly to the queue. - If there is a transaction context then executes the operation through the transaction context. - During queue dispose a QueueStoreCacheListener will be notified

Field Summary

protected org.apache.commons.logging.Log

logger

Constructor Summary

TransactionAwareQueueStore(QueueStore queue, TransactionContextProvider transactionContextProvider, MuleContext muleContext)

Method Summary

void	clear() Discards all the elements in the queue
void	dispose() Disposes this queue by releasing it's storage and associated memory and storage.
String	getName() Gets the name of the object
boolean	offer(Serializable item, long timeout)
Serializable	peek()
Serializable	poll(long timeout)
void	put(Serializable item) Puts a new object in this queue and wait if necessary.
int	size() Returns the number of elements in this queue.
Serializable	take() Blocks and retrieves an object from this queue.
void	untake(Serializable item)

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

TransactionAwareQueueStore

public TransactionAwareQueueStore(QueueStore queue,
                                  TransactionContextProvider transactionContextProvider,
                                  MuleContext muleContext)

Method Detail

put

public void put(Serializable item)
         throws InterruptedException,
                ObjectStoreException

Description copied from interface: Queue

Puts a new object in this queue and wait if necessary.

Specified by:

put in interface Queue

Throws:

InterruptedException

ObjectStoreException

clear

public void clear()
           throws InterruptedException

Description copied from interface: Queue

Discards all the elements in the queue

Specified by:

clear in interface Queue

Throws:

InterruptedException

offer

public boolean offer(Serializable item,
                     long timeout)
              throws InterruptedException,
                     ObjectStoreException

Specified by:

offer in interface Queue

Throws:

InterruptedException

ObjectStoreException

take

public Serializable take()
                  throws InterruptedException

Description copied from interface: Queue

Blocks and retrieves an object from this queue.

Specified by:

take in interface Queue

Returns:

an object.

Throws:

InterruptedException

untake

public void untake(Serializable item)
            throws InterruptedException,
                   ObjectStoreException

Specified by:

untake in interface Queue

Throws:

InterruptedException

ObjectStoreException

poll

public Serializable poll(long timeout)
                  throws InterruptedException

Specified by:

poll in interface Queue

Throws:

InterruptedException

peek

public Serializable peek()
                  throws InterruptedException

Specified by:

peek in interface Queue

Throws:

InterruptedException

dispose

public void dispose()
             throws MuleException,
                    InterruptedException

Description copied from interface: Queue

Disposes this queue by releasing it's storage and associated memory and storage. If after disposing the queue you try go get it back, you'll get a fresh new one which maintains none of the original one's data

Specified by:

dispose in interface Queue

Throws:

MuleException

InterruptedException

size

public int size()

Description copied from interface: Queue

Returns the number of elements in this queue.

Specified by:

size in interface Queue

getName

public String getName()

Description copied from interface: NamedObject

Gets the name of the object

Specified by:

getName in interface NamedObject

Returns:

the name of the object