Package org.apache.hadoop.util

Class ShutdownThreadsHelper

java.lang.Object

org.apache.hadoop.util.ShutdownThreadsHelper

public class ShutdownThreadsHelper
extends Object

Helper class to shutdown Threads and ExecutorServices.

Constructor Summary

Constructors

Constructor	Description
ShutdownThreadsHelper()

Method Summary

Modifier and Type	Method	Description
static boolean	shutdownExecutorService(ExecutorService service)	shutdownExecutorService.
static boolean	shutdownExecutorService(ExecutorService service, long timeoutInMs)	shutdownExecutorService.
static boolean	shutdownThread(Thread thread)
static boolean	shutdownThread(Thread thread, long timeoutInMilliSeconds)

Methods inherited from class java.lang.Object

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

Constructor Details

ShutdownThreadsHelper

public ShutdownThreadsHelper()

Method Details

shutdownThread

public static boolean shutdownThread(Thread thread)

Parameters:

thread - to be shutdown

Returns:

true if the thread is successfully interrupted, false otherwise

shutdownThread

public static boolean shutdownThread(Thread thread,
 long timeoutInMilliSeconds)

Parameters:

thread - to be shutdown

timeoutInMilliSeconds - time to wait for thread to join after being interrupted

Returns:

true if the thread is successfully interrupted, false otherwise

shutdownExecutorService

public static boolean shutdownExecutorService(ExecutorService service)
                                       throws InterruptedException

shutdownExecutorService.

Parameters:

service - to be shutdown

Returns:

true if the service is terminated, false otherwise

Throws:

InterruptedException - if the thread is interrupted.

shutdownExecutorService

public static boolean shutdownExecutorService(ExecutorService service,
 long timeoutInMs)
                                       throws InterruptedException

shutdownExecutorService.

Parameters:

service - to be shutdown

timeoutInMs - time to wait for ExecutorService.awaitTermination(long, java.util.concurrent.TimeUnit) calls in milli seconds.

Returns:

true if the service is terminated, false otherwise

Throws:

InterruptedException - if the thread is interrupted.