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Glassfish example source code file (StatsHolder.java)

This example Glassfish source code file (StatsHolder.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

class, collection, management, monitoredobjecttype, monitoredobjecttype, objectname, objectname, stats, statsholder, statsholder, string, string, util

The Glassfish StatsHolder.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 com.sun.enterprise.admin.monitor.registry;

import org.glassfish.j2ee.statistics.Stats;
import javax.management.ObjectName;
import java.util.Collection;


/**
 * Provides the ability to associate various j2ee components
 * and sub components in a hierarchical tree. Holds references to
 * underlying Stats objects. On instantiation, the Stats object is
 * converted to a DynamicMBean instance. When monitoring level is
 * changed from OFF to LOW or HIGH, the MBean is registered with an
 * MBeanServer. Calls made to the MBean are delegated to this object
 * which in turn delegates it to underlying Stats object.
 * @author  Shreedhar Ganapathy <mailto:shreedhar.ganapathy@sun.com>
 */
public interface StatsHolder {
    /**
     * Add a child node or leaf to this node.
     * @param statsHolder
     */
    StatsHolder addChild(String name, MonitoredObjectType type);
    
    /**
     * return an array of StatHolder objects each representing a child
     * of this node.
     * @return Collection
     */
    Collection getAllChildren();

    /**
     * removes all children belonging to this node.
     */
    void removeAllChildren();

    /**
     * Returns name of this hierarchical node
     */
    String getName();
    
    /**
     * Returns type of this hierarchical node
     */
    MonitoredObjectType getType();
    
    /**
     * sets this hierarchical node's associated stats object. Used when node was
     * originally created without a Stats implementation or a new monitoring 
     * level has been set requiring a new Stats registration
     */
    void setStats(Stats stats);
	
	Stats getStats();
    
	void setStatsClass(Class c);
	
	Class getStatsClass();
	
	void setStatsClassName(String cName);
	
	String getStatsClassName();

	/**
     * Sets the ObjectName pertaining to the MBean for this node.
     */
    void setObjectName(ObjectName name);    
    
    /**
     * Gets the ObjectName pertaining to the MBean for this node.
     */
    ObjectName getObjectName();    

	/**
	 * Sets the hierarchically denoted dotted name for this node.
	 */
	void setDottedName(String dottedName);
	
	/**
	 * Gets the hierarchically denoted dotted name for this node.
	 */
	String getDottedName();
	
    /**
     * Registers a monitoring MBean with the MBeanServer
     */
    void registerMBean();
    
    /**
     * Unregisters a monitoring MBean from the MBean Server
     */
    void unregisterMBean();
	
	void setType(MonitoredObjectType type);
	
	StatsHolder getChild(String name);
	
	void removeChild(String name);
}

Other Glassfish examples (source code examples)

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

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