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TimerQueue (JBoss/Common API) - JBoss 4.0.1 sp1 common API Documentation 英文版文档

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org.jboss.util
Class TimerQueue

java.lang.Object
  org.jboss.util.WorkerQueue
      org.jboss.util.TimerQueue

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public class TimerQueue

extends WorkerQueue

This class runs in a single thread TimerTasks that have been scheduled.

A similar class is present in java.util package of jdk version >= 1.3; for compatibility with jdk 1.2 it is reimplemented here.

Version:

$Revision: 1.2 $

Author:

Simone Bordet

See Also:

TimerTask

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Nested Class Summary
protected  class	TimerQueue.TimerTaskLoop           Class that loops getting the next job to be executed and then executing it, in the timer task thread.

 

Nested classes inherited from class org.jboss.util.WorkerQueue

WorkerQueue.QueueLoop

 

Field Summary

 

Fields inherited from class org.jboss.util.WorkerQueue

m_queueThread

 

Constructor Summary

TimerQueue()           Creates a new timer queue with default thread name of "TimerTask Thread"

TimerQueue(String threadName)           Creates a new timer queue with the specified thread name

 

Method Summary
protected  void	clear()           Clears the running thread after the queue has been stopped.
protected  Runnable	createQueueLoop()           Creates the loop that will get the next job and process it.
protected  Executable	getJobImpl()           Never call this method, only override in subclasses to perform job getting in a specific way, normally tied to the data structure holding the jobs.
protected  void	putJobImpl(Executable task)           Never call this method, only override in subclasses to perform job adding in a specific way, normally tied to the data structure holding the jobs.
void	schedule(TimerTask t)           Schedules the given TimerTask for immediate execution.
void	schedule(TimerTask t, long delay)           Schedule the given TimerTask to be executed after delay milliseconds.

 

Methods inherited from class org.jboss.util.WorkerQueue

getJob, isInterrupted, putJob, start, stop

 

Methods inherited from class java.lang.Object

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

 

Constructor Detail

TimerQueue

public TimerQueue()

Creates a new timer queue with default thread name of "TimerTask Thread"

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TimerQueue

public TimerQueue(String threadName)

Creates a new timer queue with the specified thread name

Method Detail

schedule

public void schedule(TimerTask t)

Schedules the given TimerTask for immediate execution.

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schedule

public void schedule(TimerTask t,
                     long delay)

Schedule the given TimerTask to be executed after delay milliseconds.

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putJobImpl

protected void putJobImpl(Executable task)

Description copied from class: WorkerQueue

Never call this method, only override in subclasses to perform job adding in a specific way, normally tied to the data structure holding the jobs.

Overrides:

putJobImpl in class WorkerQueue

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getJobImpl

protected Executable getJobImpl()
                         throws InterruptedException

Description copied from class: WorkerQueue

Never call this method, only override in subclasses to perform job getting in a specific way, normally tied to the data structure holding the jobs.

Overrides:

getJobImpl in class WorkerQueue

Throws:

InterruptedException

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createQueueLoop

protected Runnable createQueueLoop()

Description copied from class: WorkerQueue

Creates the loop that will get the next job and process it.
Override in subclasses to create a custom loop.

Overrides:

createQueueLoop in class WorkerQueue

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clear

protected void clear()

Description copied from class: WorkerQueue

Clears the running thread after the queue has been stopped.
After this call, this worker queue is unusable and can be garbaged.

Overrides:

clear in class WorkerQueue

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