Java Timer Usage mayNewTasksBeScheduled(Timer timer)

Description

Checks whether new tasks can be scheduled, that is whether the time thread is still active.

License

Open Source License

Parameter

Parameter	Description
timer	a parameter

Return

true if this is the case, false otherwise.

Declaration

public static boolean mayNewTasksBeScheduled(Timer timer) 

Method Source Code

//package com.java2s;
/*/*from  ww w .j a  v  a  2  s  . c  o m*/
 * TimerUtils.java
 * 
 * Copyright (C) 2010 Leo Osvald <leo.osvald@gmail.com>
 * 
 * This file is part of SGLJ.
 * 
 * SGLJ 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 3 of the License, or
 * (at your option) any later version.
 * 
 * SGLJ 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, see <http://www.gnu.org/licenses/>.
 */

import java.util.Timer;

public class Main {
    /**
     * Checks whether new tasks can be scheduled, that is
     * whether the time thread is still active.
     * @param timer
     * @return <code>true</code> if this is the case, <code>false</code> 
     * otherwise.
     */
    public static boolean mayNewTasksBeScheduled(Timer timer) {
        //quick and dirty way to check if timer can schedule new tasks
        try {
            timer.schedule(null, 0);
        } catch (IllegalStateException ex) {
            return false;
        } catch (NullPointerException ex) {
            return true;
        }
        return true;
    }
}

Related

1. exitSystemAfterTimeout(final long delay)
2. getMinIdleTimer()
3. getQuickSearchTimer()
4. getSlowTimer()
5. getTimer(String id)
6. printLoadToConsole(int milliOffset)
7. runRotateKeys()
8. schedule(final TimerTask task, final int delay, final int period)
9. schedule(TimerTask task, long delay, long period, String name)