Timer.java
上传用户:huihesys
上传日期:2007-01-04
资源大小:3877k
文件大小:2k
- /*
- * Timer.java
- * Copyright (C) 1999 dog <dog@dog.net.uk>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * You may retrieve the latest version of this library from
- * http://www.dog.net.uk/knife/
- */
- package dog.util;
- /**
- * A timer class that wakes up listeners after a specified number of milliseconds.
- *
- * @author dog@dog.net.uk
- * @version 1.0
- */
- public final class Timer extends Thread {
- long time;
- long interval = 0;
- TimerListener listener;
- /**
- * Constructs a timer.
- */
- public Timer(TimerListener listener) {
- this(listener, 0, false);
- }
-
- /**
- * Constructs a timer with the specified interval, and starts it.
- */
- public Timer(TimerListener listener, long interval) {
- this(listener, interval, true);
- }
-
- /**
- * Constructs a timer with the specified interval, indicating whether or not to start it.
- */
- public Timer(TimerListener listener, long interval, boolean start) {
- this.listener = listener;
- this.interval = interval;
- time = System.currentTimeMillis();
- setDaemon(true);
- setPriority(Thread.MIN_PRIORITY);
- if (start)
- start();
- }
- // -- Accessor methods --
- /**
- * Returns this timer's interval.
- */
- public long getInterval() {
- return interval;
- }
- /**
- * Sets this timer's interval.
- */
- public void setInterval(long interval) {
- this.interval = interval;
- }
- /**
- * Runs this timer.
- */
- public void run() {
- boolean interrupt = false;
- while (!interrupt) {
- synchronized (this) {
- try {
- wait(interval);
- } catch (InterruptedException e) {
- interrupt = true;
- }
- listener.timerFired(new TimerEvent(this, interval));
- }
- }
- }
- }