dsto.dfc.util
Class Scheduler.Task

java.lang.Object
  dsto.dfc.util.Scheduler.Task

All Implemented Interfaces:

Runnable

Direct Known Subclasses:

DataObjectPersister2, DataObjectPersister2.CleanupTask, EntityContainer.EmitNotificationTask, PropertyChangeTask, TaskDelegate

Enclosing class:

Scheduler

public abstract static class Scheduler.Task
extends Object
implements Runnable

Base class for tasks that can be scheduled.

Field Summary

protected long	runAt Time that task will next be run.
protected Scheduler	scheduler The scheduler instance running the task.

Constructor Summary

Scheduler.Task()

Method Summary

void	dispose() Called when the task is in the scheduling queue (but not currently running) and the scheduler is being shut down.
abstract void	run()
boolean	scheduled()

Methods inherited from class java.lang.Object

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

Field Detail

runAt

protected long runAt

Time that task will next be run. 0 => not currently scheduled.

scheduler

protected Scheduler scheduler

The scheduler instance running the task. Only valid during run () and dispose ().

Constructor Detail

Scheduler.Task

public Scheduler.Task()

Method Detail

run

public abstract void run()

Specified by:

run in interface Runnable

dispose

public void dispose()

Called when the task is in the scheduling queue (but not currently running) and the scheduler is being shut down. After this has been called, the task will not get another chance to run in the current scheduler.

The default implementation calls run () if the task is scheduled to be run now, does nothing if not. Subclasses may override as needed.

scheduled

public final boolean scheduled()