rice.selector
Class TimerTask

java.lang.Object
  rice.selector.TimerTask

All Implemented Interfaces:

java.lang.Comparable<TimerTask>, Cancellable, CancellableTask

Direct Known Subclasses:

DeliveryTimerTask, DirectTimerTask, LivenessTransportLayerImpl.DeadChecker, MagicNumberTransportLayer.VerifyHeaderReceiver, PartitionHandler, ScheduledMessage, TimerWeakHashMap.HardLinkTimerTask

public abstract class TimerTask
extends java.lang.Object
implements java.lang.Comparable<TimerTask>, CancellableTask

Author:

Jeff Hoye

Field Summary

protected boolean	cancelled
protected boolean	fixedRate
protected int	period If period is positive, task will be rescheduled.
protected SelectorManager	selector
protected int	seq

Constructor Summary

TimerTask()

Method Summary

boolean	cancel()
int	compareTo(TimerTask arg0)
boolean	execute(TimeSource ts) Returns true if should re-insert.
boolean	isCancelled()
abstract void	run()
long	scheduledExecutionTime()
protected void	setNextExecutionTime(long l)
void	setSelectorManager(SelectorManager selector) Makes the cancel operation remove the task from the queue as well.

Methods inherited from class java.lang.Object

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

Field Detail

cancelled

protected boolean cancelled

seq

protected int seq

selector

protected SelectorManager selector

period

protected int period

If period is positive, task will be rescheduled.

fixedRate

protected boolean fixedRate

Constructor Detail

TimerTask

public TimerTask()

Method Detail

run

public abstract void run()

Specified by:

run in interface CancellableTask

execute

public boolean execute(TimeSource ts)

Returns true if should re-insert.

Returns:

cancel

public boolean cancel()

Specified by:

cancel in interface Cancellable

Returns:

true if it was cancelled, false if it was already complete, or cancelled.

scheduledExecutionTime

public long scheduledExecutionTime()

Specified by:

scheduledExecutionTime in interface CancellableTask

compareTo

public int compareTo(TimerTask arg0)

Specified by:

compareTo in interface java.lang.Comparable<TimerTask>

isCancelled

public boolean isCancelled()

setSelectorManager

public void setSelectorManager(SelectorManager selector)

Makes the cancel operation remove the task from the queue as well.

Parameters:

timerQueue - that we are enqueued on

setNextExecutionTime

protected void setNextExecutionTime(long l)