org.directwebremoting.impl
Class AutoShutdownScheduledThreadPoolExecutor

java.lang.Object
  java.util.concurrent.AbstractExecutorService
      java.util.concurrent.ThreadPoolExecutor
          java.util.concurrent.ScheduledThreadPoolExecutor
              org.directwebremoting.impl.AutoShutdownScheduledThreadPoolExecutor

All Implemented Interfaces:

java.util.concurrent.Executor, java.util.concurrent.ExecutorService, java.util.concurrent.ScheduledExecutorService, UninitializingBean

public class AutoShutdownScheduledThreadPoolExecutor
extends java.util.concurrent.ScheduledThreadPoolExecutor
implements UninitializingBean

Just a standard ScheduledThreadPoolExecutor with a single default thread in the pool (we're not doing heavy scheduling) that is also a ServletContextListener so the Container can shut us down.

Author:

Joe Walker [joe at getahead dot ltd dot uk]

Nested Class Summary

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

java.util.concurrent.ThreadPoolExecutor.AbortPolicy, java.util.concurrent.ThreadPoolExecutor.CallerRunsPolicy, java.util.concurrent.ThreadPoolExecutor.DiscardOldestPolicy, java.util.concurrent.ThreadPoolExecutor.DiscardPolicy

Constructor Summary

AutoShutdownScheduledThreadPoolExecutor()
This is generally used as an event timer, so we don't need more than one thread running at a time.

Method Summary

void	destroy() Called when Container.destroy() is called which usually happens when the DWR servlet is destroyed.

Methods inherited from class java.util.concurrent.ScheduledThreadPoolExecutor

execute, getContinueExistingPeriodicTasksAfterShutdownPolicy, getExecuteExistingDelayedTasksAfterShutdownPolicy, getQueue, remove, schedule, schedule, scheduleAtFixedRate, scheduleWithFixedDelay, setContinueExistingPeriodicTasksAfterShutdownPolicy, setExecuteExistingDelayedTasksAfterShutdownPolicy, shutdown, shutdownNow, submit, submit, submit

Methods inherited from class java.util.concurrent.ThreadPoolExecutor

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

Methods inherited from class java.util.concurrent.AbstractExecutorService

invokeAll, invokeAll, invokeAny, invokeAny

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.concurrent.ExecutorService

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

Constructor Detail

AutoShutdownScheduledThreadPoolExecutor

public AutoShutdownScheduledThreadPoolExecutor()

This is generally used as an event timer, so we don't need more than one thread running at a time.

Method Detail

destroy

public void destroy()

Description copied from interface: UninitializingBean

Called when Container.destroy() is called which usually happens when the DWR servlet is destroyed.

Specified by:

destroy in interface UninitializingBean