Package org.apache.hadoop.util.concurrent

Class HadoopScheduledThreadPoolExecutor

java.lang.Object

java.util.concurrent.AbstractExecutorService

java.util.concurrent.ThreadPoolExecutor

java.util.concurrent.ScheduledThreadPoolExecutor

org.apache.hadoop.util.concurrent.HadoopScheduledThreadPoolExecutor

All Implemented Interfaces:

Executor, ExecutorService, ScheduledExecutorService

public class HadoopScheduledThreadPoolExecutor
extends ScheduledThreadPoolExecutor

An extension of ScheduledThreadPoolExecutor that provides additional functionality.

Nested Class Summary

Nested classes/interfaces inherited from class java.util.concurrent.ThreadPoolExecutor

ThreadPoolExecutor.AbortPolicy, ThreadPoolExecutor.CallerRunsPolicy, ThreadPoolExecutor.DiscardOldestPolicy, ThreadPoolExecutor.DiscardPolicy

Constructor Summary

Constructors

Constructor	Description
HadoopScheduledThreadPoolExecutor(int corePoolSize)
HadoopScheduledThreadPoolExecutor(int corePoolSize, RejectedExecutionHandler handler)
HadoopScheduledThreadPoolExecutor(int corePoolSize, ThreadFactory threadFactory)
HadoopScheduledThreadPoolExecutor(int corePoolSize, ThreadFactory threadFactory, RejectedExecutionHandler handler)

Method Summary

Modifier and Type	Method	Description
protected void	afterExecute(Runnable r, Throwable t)
protected void	beforeExecute(Thread t, Runnable r)

Methods inherited from class java.util.concurrent.ScheduledThreadPoolExecutor

decorateTask, decorateTask, execute, getContinueExistingPeriodicTasksAfterShutdownPolicy, getExecuteExistingDelayedTasksAfterShutdownPolicy, getQueue, getRemoveOnCancelPolicy, schedule, schedule, scheduleAtFixedRate, scheduleWithFixedDelay, setContinueExistingPeriodicTasksAfterShutdownPolicy, setExecuteExistingDelayedTasksAfterShutdownPolicy, setRemoveOnCancelPolicy, shutdown, shutdownNow, submit, submit, submit

Methods inherited from class java.util.concurrent.ThreadPoolExecutor

allowCoreThreadTimeOut, allowsCoreThreadTimeOut, awaitTermination, finalize, getActiveCount, getCompletedTaskCount, getCorePoolSize, getKeepAliveTime, getLargestPoolSize, getMaximumPoolSize, getPoolSize, getRejectedExecutionHandler, getTaskCount, getThreadFactory, isShutdown, isTerminated, isTerminating, prestartAllCoreThreads, prestartCoreThread, purge, remove, setCorePoolSize, setKeepAliveTime, setMaximumPoolSize, setRejectedExecutionHandler, setThreadFactory, terminated, toString

Methods inherited from class java.util.concurrent.AbstractExecutorService

invokeAll, invokeAll, invokeAny, invokeAny, newTaskFor, newTaskFor

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.concurrent.ExecutorService

awaitTermination, invokeAll, invokeAll, invokeAny, invokeAny, isShutdown, isTerminated

Constructor Details

HadoopScheduledThreadPoolExecutor

public HadoopScheduledThreadPoolExecutor(int corePoolSize)

HadoopScheduledThreadPoolExecutor

public HadoopScheduledThreadPoolExecutor(int corePoolSize,
 ThreadFactory threadFactory)

HadoopScheduledThreadPoolExecutor

public HadoopScheduledThreadPoolExecutor(int corePoolSize,
 RejectedExecutionHandler handler)

HadoopScheduledThreadPoolExecutor

public HadoopScheduledThreadPoolExecutor(int corePoolSize,
 ThreadFactory threadFactory,
 RejectedExecutionHandler handler)

Method Details

beforeExecute

protected void beforeExecute(Thread t,
 Runnable r)

Overrides:

beforeExecute in class ThreadPoolExecutor

afterExecute

protected void afterExecute(Runnable r,
 Throwable t)

Overrides:

afterExecute in class ThreadPoolExecutor