Package org.apache.curator.utils

Class CloseableExecutorService

java.lang.Object

org.apache.curator.utils.CloseableExecutorService

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

Direct Known Subclasses:

CloseableScheduledExecutorService

public class CloseableExecutorService
extends java.lang.Object
implements java.io.Closeable

Decoration on an ExecutorService that tracks created futures and provides a method to close futures created via this class

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	CloseableExecutorService.InternalFutureTask<T>
protected class	CloseableExecutorService.InternalScheduledFutureTask

Field Summary

Fields

Modifier and Type	Field	Description
protected java.util.concurrent.atomic.AtomicBoolean	isOpen

Constructor Summary

Constructors

Constructor	Description
CloseableExecutorService(java.util.concurrent.ExecutorService executorService)
CloseableExecutorService(java.util.concurrent.ExecutorService executorService, boolean shutdownOnClose)

Method Summary

Modifier and Type	Method	Description
void	close()	Closes any tasks currently in progress
boolean	isShutdown()	Returns true if this executor has been shut down.
java.util.concurrent.Future<?>	submit(java.lang.Runnable task)	Submits a Runnable task for execution and returns a Future representing that task.
<V> java.util.concurrent.Future<V>	submit(java.util.concurrent.Callable<V> task)	Submits a value-returning task for execution and returns a Future representing the pending results of the task.

Methods inherited from class java.lang.Object

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

Field Detail

isOpen

protected final java.util.concurrent.atomic.AtomicBoolean isOpen

Constructor Detail

CloseableExecutorService

public CloseableExecutorService(java.util.concurrent.ExecutorService executorService)

Parameters:

executorService - the service to decorate

CloseableExecutorService

public CloseableExecutorService(java.util.concurrent.ExecutorService executorService,
                                boolean shutdownOnClose)

Parameters:

executorService - the service to decorate

shutdownOnClose - if true, shutdown the executor service when this is closed

Method Detail

isShutdown

public boolean isShutdown()

Returns true if this executor has been shut down.

Returns:

true if this executor has been shut down

close

public void close()

Closes any tasks currently in progress

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface java.io.Closeable

submit

public <V> java.util.concurrent.Future<V> submit(java.util.concurrent.Callable<V> task)

Submits a value-returning task for execution and returns a Future representing the pending results of the task. Upon completion, this task may be taken or polled.

Parameters:

task - the task to submit

Returns:

a future to watch the task

submit

public java.util.concurrent.Future<?> submit(java.lang.Runnable task)

Submits a Runnable task for execution and returns a Future representing that task. Upon completion, this task may be taken or polled.

Parameters:

task - the task to submit

Returns:

a future to watch the task