org.openjena.atlas.lib
Class AlarmClock

java.lang.Object
  org.openjena.atlas.lib.AlarmClock

public class AlarmClock
extends java.lang.Object

An AlarmClock is an object that will make a call back at a preset time. It addes to java.util.Timer by having an active Timer (and its thread) only when callbacks are outstanding. The Timer's thread can stop the JVM exiting.

Field Summary

java.util.Set<Pingback<?>>	outstanding
java.util.Timer	timer
long	timeStart

Constructor Summary

AlarmClock()

Method Summary

Pingback<?>	add(Callback<?> callback, long delay)
<T> Pingback<T>	add(Callback<T> callback, T argument, long delay)
void	cancel(Pingback<?> pingback)
static AlarmClock	get() Global singleton for general use
long	getCount()
<T> Pingback<T>	reset(Pingback<T> pingback, long delay)

Methods inherited from class java.lang.Object

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

Field Detail

timer

public java.util.Timer timer

outstanding

public java.util.Set<Pingback<?>> outstanding

timeStart

public long timeStart

Constructor Detail

AlarmClock

public AlarmClock()

Method Detail

get

public static AlarmClock get()

Global singleton for general use

getCount

public long getCount()

add

public Pingback<?> add(Callback<?> callback,
                       long delay)

add

public <T> Pingback<T> add(Callback<T> callback,
                           T argument,
                           long delay)

reset

public <T> Pingback<T> reset(Pingback<T> pingback,
                             long delay)

cancel

public void cancel(Pingback<?> pingback)