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Glassfish example source code file (WorkListener.java)

This example Glassfish source code file (WorkListener.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Glassfish tags/keywords

eventlistener, eventlistener, util, worklistener, worklistener

The Glassfish WorkListener.java source code

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
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 */

package javax.resource.spi.work;

import java.lang.Object;
import java.lang.Runnable;
import java.lang.Exception;
import java.lang.Throwable;
import java.util.EventListener;

/**
 * This models a <code>WorkListener instance which would be notified
 * by the <code>WorkManager when the various Work 
 * processing events (work accepted, work rejected, work started, 
 * work completed) occur.
 *
 * The <code>WorkListener instance must not make any thread 
 * assumptions and must be thread-safe ie., a notification could 
 * occur from any arbitrary thread. Further, it must not make any
 * assumptions on the ordering of notifications.
 *
 * @version 1.0
 * @author  Ram Jeyaraman
 */
public interface WorkListener extends EventListener {

    /** 
     * Invoked when a <code>Work instance has been accepted.
     *
     * @param e A <code>WorkEvent object that provides more 
     * information about the accepted Work.
     */
    void workAccepted(WorkEvent e);

    /** 
     * Invoked when a <code>Work instance has been rejected.
     *
     * @param e A <code>WorkEvent object that provides more 
     * information about the rejected Work.
     */
    void workRejected(WorkEvent e);

    /** 
     * Invoked when a <code>Work instance has started execution.
     * This only means that a thread has been allocated.
     *
     * @param e A <code>WorkEvent object that provides more 
     * information about the rejected Work.
     */
    void workStarted(WorkEvent e);

    /** 
     * Invoked when a <code>Work instance has completed execution.
     *
     * @param e A <code>WorkEvent object that provides more 
     * information about the completed Work.
     */
    void workCompleted(WorkEvent e);
}

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