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Java Source Code / Java Documentation » Content Management System » hippo cms » nl.hippo.cms.brokenlinkchecker.threading 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   nl.hippo.cms.brokenlinkchecker.threading.Task

All known Subclasses:   nl.hippo.cms.brokenlinkchecker.BrokenLinkCheckerTask,
Task
abstract public class Task implements Runnable(Code)

A background task that should run until interrupted or until a specific condition occurs. The task will perform work and then sleep for new work to arrive.




Constructor Summary
protected  Task()
    

Create an instance of this task.


Method Summary
protected  voidcleanUp()
    

Perform cleanup when this task stops.

protected  longgetTimeToSleepBetweenWorkMillis()
    

The number of milliseconds to sleep between performing work.

protected  longgetTimeToSleepWhileWaitingUntilStoppedMillis()
    

The number of milliseconds to sleep between checks to see if this task has stopped.

protected  booleanhasStopConditionBeenMet()
    

Determine whether or not this task should stop based on an implementation-specific stop condition.

abstract protected  voidperformWork()
    

Perform the actual work of this task.

final public  voidrun()
    

Run the task.

public synchronized  voidstop()
    

Tell this task to stop performing its work.

public  voidwaitUntilStopped()
    

Wait forever (or until interrupted) for this task to stop completely.

public  voidwaitUntilStoppedFor(long waitTimeMillis)
    

Wait for at most a specified amount of milliseconds for this task to stop completely.

public  voidwaitUntilStoppedOrUntil(long waitLimitMillis)
    

Wait until at most a specified time for this task to stop completely.



Constructor Detail
Task
protected Task()(Code)

Create an instance of this task.





Method Detail
cleanUp
protected void cleanUp()(Code)

Perform cleanup when this task stops. This method is called from a finally clause so should not throw any (runtime) exceptions, so the original exception is not swallowed in case of abnormal termination of the try clause.




getTimeToSleepBetweenWorkMillis
protected long getTimeToSleepBetweenWorkMillis()(Code)

The number of milliseconds to sleep between performing work. While this task is sleeping new work can arrive which will be processed as soon as this task awakes.

the number of milliseconds to sleep between performing work.



getTimeToSleepWhileWaitingUntilStoppedMillis
protected long getTimeToSleepWhileWaitingUntilStoppedMillis()(Code)

The number of milliseconds to sleep between checks to see if this task has stopped.

the number of milliseconds to sleep between checks.



hasStopConditionBeenMet
protected boolean hasStopConditionBeenMet()(Code)

Determine whether or not this task should stop based on an implementation-specific stop condition.

true if this task should stop,false otherwise.



performWork
abstract protected void performWork()(Code)

Perform the actual work of this task. The implementation should perform as much work as it can and then return.




run
final public void run()(Code)

Run the task. The task will perform work, sleep and then start over until its thread is interrupted or the task implementation determines there is no more work to be done.




stop
public synchronized void stop()(Code)

Tell this task to stop performing its work.




waitUntilStopped
public void waitUntilStopped()(Code)

Wait forever (or until interrupted) for this task to stop completely.




waitUntilStoppedFor
public void waitUntilStoppedFor(long waitTimeMillis)(Code)

Wait for at most a specified amount of milliseconds for this task to stop completely.


Parameters:
  waitTimeMillis - the maximum amount of milliseconds to wait.



waitUntilStoppedOrUntil
public void waitUntilStoppedOrUntil(long waitLimitMillis)(Code)

Wait until at most a specified time for this task to stop completely.


Parameters:
  waitLimitMillis - the time when the stop waiting.



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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