Mega Code Archive
Your own timer
/*
* Copyright (c) 1998-2002 Carnegie Mellon University. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND
* ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY
* NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
import java.util.Vector;
public class Timer {
int interval;
boolean periodic;
boolean isExpired = false;
static TimerManager manager = new TimerManager ();
long deadline;
Timer next, prev;
public Timer () {
}
public void set (int msecDelay, boolean periodic) {
interval = msecDelay;
this.periodic = periodic;
isExpired = false;
if (!manager.isAlive ()) {
System.err.println ("TimerManager: restarting");
manager = new TimerManager ();
}
manager.register (this, System.currentTimeMillis () + msecDelay);
}
public int getInterval () {
return interval;
}
public boolean getPeriodic () {
return periodic;
}
public void cancel () {
manager.delete (this);
}
protected void alarm () {
}
public boolean expired () {
return isExpired;
}
/*
public static void main (String[] args) {
for (int i=0; i