/**
* $RCSfile: ,v $
* $Revision: $
* $Date: $
*
* Copyright (C) 2004-2011 Jive Software. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.java.sipmack.common;
import net.java.sipmack.common.scheduler.Timer;
import net.java.sipmack.common.scheduler.TimerTask;
import java.util.Date;
public class Scheduler {
private static Scheduler singleton = null;
Timer timer = new Timer(false);
/**
* Returns the currently valid instance of the scheduler.
*
* @return the currently valid instance of the scheduler.
*/
public static Scheduler getInstance() {
if (singleton == null)
singleton = new Scheduler();
return singleton;
}
private Scheduler() {
}
/**
* ReSchedules the specified task to execute after the specified delay.
*
* @param task the task to reschedule
* @param date the time/date this task is scheduled for
*/
public void reschedule(TimerTask task, Date date) {
timer.reschedule(task, date);
}
/**
* ReSchedules the specified task to execute after the specified delay.
*
* @param task the task to reschedule
* @param delay delay in milliseconds before task is to be executed.
*/
public void reschedule(TimerTask task, long delay) {
timer.reschedule(task, delay);
}
/**
* Schedules the specified task for execution at the specified time.
*
* @param task task to be scheduled.
* @param time time at which task is to be executed.
*/
public void schedule(TimerTask task, Date time) {
timer.schedule(task, time);
}
/**
* Schedules the specified task for repeated <i>fixed-delay execution</i>,
* beginning at the specified time.
*
* @param task task to be scheduled.
* @param firstTime First time at which task is to be executed.
* @param period time in milliseconds between successive task executions.
*/
public void schedule(TimerTask task, Date firstTime, long period) {
timer.schedule(task, firstTime, period);
}
/**
* Schedules the specified task for execution after the specified delay.
*
* @param task task to be scheduled.
* @param delay delay in milliseconds before task is to be executed.
*/
public void schedule(TimerTask task, long delay) {
timer.schedule(task, delay);
}
/**
* Schedules the specified task for repeated <i>fixed-delay execution</i>,
* beginning after the specified delay.
*
* @param task task to be scheduled.
* @param delay delay in milliseconds before task is to be executed.
* @param period time in milliseconds between successive task executions.
*/
public void schedule(TimerTask task, long delay, long period) {
timer.schedule(task, delay, period);
}
/**
* Schedules the specified task for repeated <i>fixed-rate execution</i>,
* beginning at the specified time.
*
* @param task task to be scheduled.
* @param firstTime First time at which task is to be executed.
* @param period time in milliseconds between successive task executions.
*/
public void scheduleAtFixedRate(TimerTask task, Date firstTime,
long period) {
timer.schedule(task, firstTime, period);
}
/**
* Schedules the specified task for repeated <i>fixed-rate execution</i>,
* beginning after the specified delay.
*
* @param task
* task to be scheduled.
* @param delay
* delay in milliseconds before task is to be executed.
* @param period
* time in milliseconds between successive task executions.
*/
public void scheduleAtFixedRate(TimerTask task, long delay, long period) {
timer.schedule(task, delay, period);
}
}