com.hazelcast.client.txn.proxy

Class ClientTxnQueueProxy<E>

java.lang.Object

com.hazelcast.client.txn.proxy.ClientTxnQueueProxy<E>

All Implemented Interfaces:

BaseQueue<E>, DistributedObject, TransactionalQueue<E>, TransactionalObject

public class ClientTxnQueueProxy<E>
extends Object
implements TransactionalQueue<E>

Author:

ali 6/7/13

Constructor Summary

Constructors

Constructor and Description
ClientTxnQueueProxy(String name, TransactionContextProxy proxy)

Method Summary

Modifier and Type	Method and Description
void	destroy() Destroys this object cluster-wide.
Object	getId() Returns the unique id for this object.
String	getName() Returns the unique name for this DistributedObject.
String	getPartitionKey() Returns the key of partition this DistributedObject is assigned to.
String	getServiceName() Returns the service name for this object.
boolean	offer(E e) Inserts the specified element into this queue if it is possible to do so immediately without violating capacity restrictions, returning true upon success and false if no space is currently available.
boolean	offer(E e, long timeout, TimeUnit unit) Inserts the specified element into this queue, waiting up to the specified wait time if necessary for space to become available.
E	peek()
E	peek(long timeout, TimeUnit unit)
E	poll() Retrieves and removes the head of this queue, or returns null if this queue is empty.
E	poll(long timeout, TimeUnit unit) Retrieves and removes the head of this queue, waiting up to the specified wait time if necessary for an element to become available.
int	size() Returns the number of elements in this collection.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.hazelcast.core.DistributedObject

destroy, getId, getPartitionKey

Constructor Detail

ClientTxnQueueProxy

public ClientTxnQueueProxy(String name,
                           TransactionContextProxy proxy)

Method Detail

offer

public boolean offer(E e)

Description copied from interface: TransactionalQueue

Inserts the specified element into this queue if it is possible to do so immediately without violating capacity restrictions, returning true upon success and false if no space is currently available.

Specified by:

offer in interface BaseQueue<E>

Specified by:

offer in interface TransactionalQueue<E>

Parameters:

e - the element to add

Returns:

true if the element was added to this queue, else false

offer

public boolean offer(E e,
                     long timeout,
                     TimeUnit unit)
              throws InterruptedException

Description copied from interface: TransactionalQueue

Inserts the specified element into this queue, waiting up to the specified wait time if necessary for space to become available.

Specified by:

offer in interface BaseQueue<E>

Specified by:

offer in interface TransactionalQueue<E>

Parameters:

e - the element to add

timeout - how long to wait before giving up, in units of unit

unit - a TimeUnit determining how to interpret the timeout parameter

Returns:

true if successful, or false if the specified waiting time elapses before space is available

Throws:

InterruptedException - if interrupted while waiting

poll

public E poll()

Description copied from interface: TransactionalQueue

Retrieves and removes the head of this queue, or returns null if this queue is empty.

Specified by:

poll in interface BaseQueue<E>

Specified by:

poll in interface TransactionalQueue<E>

Returns:

the head of this queue, or null if this queue is empty

poll

public E poll(long timeout,
              TimeUnit unit)
       throws InterruptedException

Description copied from interface: TransactionalQueue

Retrieves and removes the head of this queue, waiting up to the specified wait time if necessary for an element to become available.

Specified by:

poll in interface BaseQueue<E>

Specified by:

poll in interface TransactionalQueue<E>

Parameters:

timeout - how long to wait before giving up, in units of unit

unit - a TimeUnit determining how to interpret the timeout parameter

Returns:

the head of this queue, or null if the specified waiting time elapses before an element is available

Throws:

InterruptedException - if interrupted while waiting

peek

public E peek()

Description copied from interface: TransactionalQueue

Specified by:

peek in interface TransactionalQueue<E>

peek

public E peek(long timeout,
              TimeUnit unit)
       throws InterruptedException

Description copied from interface: TransactionalQueue

Specified by:

peek in interface TransactionalQueue<E>

Throws:

InterruptedException

size

public int size()

Description copied from interface: TransactionalQueue

Returns the number of elements in this collection. If this collection contains more than Integer.MAX_VALUE elements, returns Integer.MAX_VALUE.

Specified by:

size in interface BaseQueue<E>

Specified by:

size in interface TransactionalQueue<E>

Returns:

the number of elements in this collection

getName

public String getName()

Description copied from interface: DistributedObject

Returns the unique name for this DistributedObject. Returned value will never be null.

Specified by:

getName in interface DistributedObject

Returns:

the unique name for this object.

getServiceName

public String getServiceName()

Description copied from interface: DistributedObject

Returns the service name for this object.

Specified by:

getServiceName in interface DistributedObject

destroy

public final void destroy()

Description copied from interface: DistributedObject

Destroys this object cluster-wide. Clears and releases all resources for this object.

Specified by:

destroy in interface DistributedObject

getId

public Object getId()

Description copied from interface: DistributedObject

Returns the unique id for this object.

Specified by:

getId in interface DistributedObject

Returns:

id the of this instance

getPartitionKey

public String getPartitionKey()

Description copied from interface: DistributedObject

Returns the key of partition this DistributedObject is assigned to. The returned value only has meaning for a non partitioned data-structure like an IAtomicLong. For a partitioned data-structure like an IMap the returned value will not be null, but otherwise undefined.

Specified by:

getPartitionKey in interface DistributedObject

Returns:

the partition key.