cz.cuni.pogamut.experiments
Class Timer

java.lang.Object
  cz.cuni.pogamut.experiments.Timer

public class Timer
extends java.lang.Object

Timer used for scheduling events in experiments. Execution of this timer could be paused. Some of this code was copied from java.util.Timer;

Nested Class Summary

(package private) class

Timer.TimerThread

Field Summary

protected Timer.TimerThread	executionThread
protected java.util.PriorityQueue<TimerTask>	queue Queue of tasks.
private java.lang.Object	threadReaper This object causes the timer's task execution thread to exit gracefully when there are no live references to the Timer object and no tasks in the timer queue.
protected TimeProvider	timeProvider

Constructor Summary

Timer(Experiment experiment)
Creates a new instance of Timer and starts it.

Method Summary

void	schedule(TimerTask task, long delay) Schedules task for execution.
void	stopTimer() Stops timer thread, no other tasks can be scheduled after calling this method.

Methods inherited from class java.lang.Object

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

Field Detail

queue

protected final java.util.PriorityQueue<TimerTask> queue

Queue of tasks.

threadReaper

private java.lang.Object threadReaper

This object causes the timer's task execution thread to exit gracefully when there are no live references to the Timer object and no tasks in the timer queue. It is used in preference to a finalizer on Timer as such a finalizer would be susceptible to a subclass's finalizer forgetting to call it.

executionThread

protected Timer.TimerThread executionThread

timeProvider

protected TimeProvider timeProvider

Constructor Detail

Timer

public Timer(Experiment experiment)

Creates a new instance of Timer and starts it.

Method Detail

schedule

public void schedule(TimerTask task,
                     long delay)

Schedules task for execution.

stopTimer

public void stopTimer()

Stops timer thread, no other tasks can be scheduled after calling this method.