org.elasticsearch.common.util.concurrent.resource
Class NonBlockingAcquirableResource<T extends Releasable>

java.lang.Object
  org.elasticsearch.common.util.concurrent.resource.NonBlockingAcquirableResource<T>

All Implemented Interfaces:

AcquirableResource<T>

public class NonBlockingAcquirableResource<T extends Releasable>
extends java.lang.Object
implements AcquirableResource<T>

A wrapper around a resource that can be released. Note, release should not be called directly on the resource itself.

Yea, I now, the fact that the resource itself is releasable basically means that users of this class should take care... .

Constructor Summary

NonBlockingAcquirableResource(T resource)

Method Summary

boolean	acquire() Acquires the resource, returning true if it was acquired.
void	forceClose() Forces the resource to be closed, regardless of the number of acquirers.
void	markForClose() Marks the resource to be closed.
void	release() Releases the resource, will close it if there are no more acquirers and it is marked for close.
T	resource()

Methods inherited from class java.lang.Object

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

Constructor Detail

NonBlockingAcquirableResource

public NonBlockingAcquirableResource(T resource)

Method Detail

resource

public T resource()

Specified by:

resource in interface AcquirableResource<T extends Releasable>

acquire

public boolean acquire()

Description copied from interface: AcquirableResource

Acquires the resource, returning true if it was acquired.

Specified by:

acquire in interface AcquirableResource<T extends Releasable>

release

public void release()

Description copied from interface: AcquirableResource

Releases the resource, will close it if there are no more acquirers and it is marked for close.

Specified by:

release in interface AcquirableResource<T extends Releasable>

markForClose

public void markForClose()

Description copied from interface: AcquirableResource

Marks the resource to be closed. Will close it if there are no current acquires.

Specified by:

markForClose in interface AcquirableResource<T extends Releasable>

forceClose

public void forceClose()

Description copied from interface: AcquirableResource

Forces the resource to be closed, regardless of the number of acquirers.

Specified by:

forceClose in interface AcquirableResource<T extends Releasable>