org.primordion.xholon.base.XholonTime.java Source code

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Here is the source code for org.primordion.xholon.base.XholonTime.java

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/* Xholon Runtime Framework - executes event-driven & dynamic applications
 * Copyright (C) 2005, 2006, 2007, 2008 Ken Webb
 *
 * 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 2.1
 * 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
 */

package org.primordion.xholon.base;

//import java.util.Date; // GWT
//import java.util.Timer; // GWT
import com.google.gwt.user.client.Timer; // GWT

/**
 * Handle time in a Xholon application.
 * @author <a href="mailto:ken@primordion.com">Ken Webb</a>
 * @see <a href="http://www.primordion.com/Xholon">Xholon Project website</a>
 * @since 0.3 (Created on April 15, 2006)
 */
public class XholonTime extends XholonWithPorts implements IXholonTime, IXholon {
    private static final long serialVersionUID = 8877951293861782403L;

    //private Timer timer = null; // GWT

    /**
     * constructor
     */
    public XholonTime() {
        //timer = new Timer(); // GWT
    }

    /*
     * @see org.primordion.xholon.base.IXholonTime#timeoutRelative(org.primordion.xholon.base.IXholon, long)
     */
    public XholonTimerTask timeoutRelative(IXholon clientNode, long delay) {
        final XholonTimerTask xhTask = new XholonTimerTask(clientNode, null, TIMERTYPE_RELATIVE, this);

        // GWT
        //timer.schedule(xhTask, delay);
        Timer timer = new Timer() {
            @Override
            public void run() {
                xhTask.run();
            }
        };
        timer.schedule((int) delay);

        return xhTask;
    }

    /*
     * @see org.primordion.xholon.base.IXholonTime#timeoutRelative(org.primordion.xholon.base.IXholon, java.lang.Object, long)
     */
    public XholonTimerTask timeoutRelative(IXholon clientNode, Object data, long delay) {
        final XholonTimerTask xhTask = new XholonTimerTask(clientNode, data, TIMERTYPE_RELATIVE, this);

        // GWT
        //timer.schedule(xhTask, delay);
        Timer timer = new Timer() {
            @Override
            public void run() {
                xhTask.run();
            }
        };
        timer.schedule((int) delay);

        return xhTask;
    }

    /*
     * @see org.primordion.xholon.base.IXholonTime#timeoutRepeat(org.primordion.xholon.base.IXholon, long, long)
     */
    public XholonTimerTask timeoutRepeat(IXholon clientNode, long delay, long period) {
        final XholonTimerTask xhTask = new XholonTimerTask(clientNode, null, TIMERTYPE_REPEAT, this);

        // GWT
        //timer.schedule(xhTask, delay, period);
        Timer timer = new Timer() {
            @Override
            public void run() {
                xhTask.run();
            }
        };
        timer.scheduleRepeating((int) period);

        return xhTask;
    }

    /*
     * @see org.primordion.xholon.base.IXholonTime#timeoutRepeat(org.primordion.xholon.base.IXholon, java.lang.Object, long, long)
     */
    public XholonTimerTask timeoutRepeat(IXholon clientNode, Object data, long delay, long period) {
        final XholonTimerTask xhTask = new XholonTimerTask(clientNode, data, TIMERTYPE_REPEAT, this);

        // GWT
        //timer.schedule(xhTask, delay, period);
        Timer timer = new Timer() {
            @Override
            public void run() {
                xhTask.run();
            }
        };
        timer.scheduleRepeating((int) period);

        return xhTask;
    }

    /*
     * @see org.primordion.xholon.base.IXholonTime#timeoutAbsolute(org.primordion.xholon.base.IXholon, java.util.Date)
     */
    /* GWT
    public XholonTimerTask timeoutAbsolute( IXholon clientNode, Date time )
    {
       XholonTimerTask xhTask = new XholonTimerTask(clientNode, null, TIMERTYPE_ABSOLUTE, this);
       timer.schedule(xhTask, time);
       return xhTask;
    }*/

    /*
     * @see org.primordion.xholon.base.IXholonTime#cancel(org.primordion.xholon.base.XholonTimerTask)
     */
    public void cancel(XholonTimerTask xhTimerTask) {
        // TODO cancel the Timer as well
        xhTimerTask.cancel();
    }

    /*
     * @see org.primordion.xholon.base.IXholonTime#cancelAll()
     */
    public void cancelAll() {
        //timer.cancel(); // GWT
    }

    /*
     * This won't work with, and is unnecessary with, GWT.
     * It's left here to allow compilation of existing apps that (now unnecessarily) call this method.
     */
    public static void sleep(long delay) {
    }

    /*
     * @see org.primordion.xholon.base.IXholon#getName()
     */
    public String getName() {
        return "XholonTime";
    }
}