alvinalexander.com | career | drupal | java | mac | mysql | perl | scala | uml | unix  

Glassfish example source code file (J2EEDeployedObjectMdl.java)

This example Glassfish source code file (J2EEDeployedObjectMdl.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

exception, exception, j2eedeployedobjectmdl, j2eeeventprovidermomdl, management, mbeanexception, notification, objectname, objectname, runtimeexception, runtimeexception, starting_state, stopped_state, string, string, util

The Glassfish J2EEDeployedObjectMdl.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
 * holder.
 */

package org.glassfish.admin.runtime.jsr77;

import java.util.*;
import javax.management.*;

public abstract class J2EEDeployedObjectMdl extends J2EEEventProviderMOMdl {

    public static final int STARTING_STATE = 0;
    public static final int RUNNING_STATE = 1;
    public static final int STOPPING_STATE = 2;
    public static final int STOPPED_STATE = 3;
    public static final int FAILED_STATE = 4;

    private int state = this.RUNNING_STATE;
    private long startTime = System.currentTimeMillis();
    
    private long sequenceNo = 0;
    
    private String [] eventTypes = new String [] {
        "j2ee.state.starting",
        "j2ee.state.running",
        "j2ee.state.stopping",
        "j2ee.state.stopped",
        "j2ee.state.failed"};

    public J2EEDeployedObjectMdl(String name,boolean state, boolean statistics) {
        super(name,state,statistics);
    }

    /**
     * The deploymentDescriptor string must contain the original 
     * XML deployment descriptor that was created for this module 
     * during the deployment process. 
     */ 
    public String getdeploymentDescriptor() {
        // FIXME
        // return module.getDeploymentDescriptor();
        return null;
    }

    /** returns the OBJECT_NAME of the J2EEServer this module is deployed on. */
    public String getserver() {
        String qs = "name=" + getJ2EEServer() + ",j2eeType=J2EEServer";
        Set s = findNames(qs);
        ObjectName[] sa = (ObjectName[]) s.toArray(new ObjectName[s.size()]);
        if (sa.length > 0) {
            return sa[0].toString();
        }
        return "Failed to find the server ObjectName";
    }

    public String[] geteventTypes(){
        return eventTypes;
    }

    public int getstate(){
        return this.state;
    }

    public void setstate(int st){
        this.state = st;
        this.stateChanged(eventTypes[st]);
    }
    
    public long getstartTime(){
        return this.startTime;
    }
    public void start() {

	if ((this.state == this.STARTING_STATE) ||
	    (this.state == this.RUNNING_STATE) ||
	    (this.state == this.STOPPING_STATE)) {
            throw new RuntimeException(
		  new Exception ("cannot start because the current state is " + this.state));
	}

        try{
            this.state = this.STARTING_STATE;
            this.stateChanged("j2ee.state.starting");
            // FIXME
	    // module.start(this);
            this.state = this.RUNNING_STATE;
            this.startTime = System.currentTimeMillis();
            this.stateChanged("j2ee.state.running");
        }catch(Exception ex){
            this.state = this.FAILED_STATE;
            this.stateChanged("j2ee.state.failed");
	    if(ex instanceof RuntimeException)
                throw (RuntimeException)ex;
            throw new RuntimeException(ex);
        }
    }

    public void stop() throws MBeanException {

	if ((this.state == this.STOPPED_STATE) ||
	    (this.state == this.STOPPING_STATE)) {
            throw new RuntimeException(
		new Exception("cannot stop because the current state is " + this.state));
	}

        try{
            this.state = this.STOPPING_STATE;
            this.stateChanged("j2ee.state.stopping");
            // FIXME
	    // module.stop(this);
            this.state = this.STOPPED_STATE;
            this.stateChanged("j2ee.state.stopped");
        }catch(Exception ex){
            this.state = this.FAILED_STATE;
            this.stateChanged("j2ee.state.failed");
	    if(ex instanceof RuntimeException)
                throw (RuntimeException)ex;
            throw new RuntimeException(ex);
        }
    }

    public void startRecursive() throws MBeanException {
        start();
    }

    private void stateChanged(String state){
        ObjectName objectName = null;
        try {
            objectName = new ObjectName(this.getobjectName());
        } catch (Exception e) {
            e.printStackTrace();
        }

        if ( objectName != null )
        {
            Notification notification   = null;
            synchronized (this) // thread safety, visibility of 'sequenceNo'
            {
                notification = new Notification( state, objectName, sequenceNo);
                ++sequenceNo;
            }
            this.sendNotification( notification );
        }
    }
    
}

Other Glassfish examples (source code examples)

Here is a short list of links related to this Glassfish J2EEDeployedObjectMdl.java source code file:

... this post is sponsored by my books ...

#1 New Release!

FP Best Seller

 

new blog posts

 

Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.