Package org.apache.hadoop.util.functional

Class CloseableTaskPoolSubmitter

java.lang.Object

org.apache.hadoop.util.functional.CloseableTaskPoolSubmitter

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, TaskPool.Submitter

@Public
@Unstable
public class CloseableTaskPoolSubmitter
extends java.lang.Object
implements TaskPool.Submitter, java.io.Closeable

A task submitter which is closeable, and whose close() call shuts down the pool. This can help manage thread pool lifecycles.

Constructor Summary

Constructors

Constructor	Description
CloseableTaskPoolSubmitter(java.util.concurrent.ExecutorService pool)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	close()	Shut down the pool.
java.util.concurrent.ExecutorService	getPool()	Get the pool.
java.util.concurrent.Future<?>	submit(java.lang.Runnable task)	Submit work.

Methods inherited from class java.lang.Object

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

Constructor Detail

CloseableTaskPoolSubmitter

public CloseableTaskPoolSubmitter(java.util.concurrent.ExecutorService pool)

Constructor.

Parameters:

pool - non-null executor.

Method Detail

getPool

public java.util.concurrent.ExecutorService getPool()

Get the pool.

Returns:

the pool.

close

public void close()

Shut down the pool.

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface java.io.Closeable

submit

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

Description copied from interface: TaskPool.Submitter

Submit work.

Specified by:

submit in interface TaskPool.Submitter

Parameters:

task - task to execute

Returns:

the future of the submitted task.