Glassfish example source code file (AverageRangeStatisticImpl.java)

This example Glassfish source code file (AverageRangeStatisticImpl.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

averagerangestatistic, averagerangestatisticimpl, averagerangestatisticimpl, boundedrangestatistic, boundedrangestatistic, boundedrangestatisticimpl, boundedrangestatisticimpl, string, string

The Glassfish AverageRangeStatisticImpl.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.stats;

import org.glassfish.j2ee.statistics.BoundedRangeStatistic;

/** An implementation of a AverageRangeStatistic. All instances of this class are
 * immutable. Provides all the necessary accessors for properties.
 * @author Larry White
 * @author Kedar Mhaswade
 * @since S1AS8.1
 * @version 1.0
 */

/**
 *
 * @author  lwhite
 */
public class AverageRangeStatisticImpl implements 
	AverageRangeStatistic /*BoundedRangeStatistic*/ {
    
    private BoundedRangeStatisticImpl boundedRangeStatistic = null;
    private long                                numberOfSamples;
    private long                                runningTotal;    
    
    
	/**
     * Constructs an immutable instance of AverageRangeStatisticImpl.
     * @param curVal    The current value of this statistic
     * @param highMark  The highest value of this statistic, since measurement 
     *                  started
     * @param lowMark   The lowest value of this statistic, since measurement
     *                  started
     * @param upper     The upper limit of this statistic
     * @param lower     The lower limit of this statistic
     * @param name      The name of the statistic
     * @param unit      The unit of measurement for this statistic
     * @param desc      A brief description of the statistic
     * @param startTime Time in milliseconds at which the measurement was started
     * @param sampleTime Time at which the last measurement was done.
     * @param numberOfSamples number of samples at present
     * @param runningTotal running total of sampled data at present
     **/    
	public AverageRangeStatisticImpl(long curVal, long highMark, long lowMark,
                                     long upper, long lower, String name,
                                     String unit, String desc, long startTime,
                                     long sampleTime, long numberOfSamples,
                                     long runningTotal) {
                                         
        boundedRangeStatistic = new BoundedRangeStatisticImpl(curVal, highMark, lowMark,
                                     upper, lower, name,
                                     unit, desc, startTime,
                                     sampleTime);                                 
                                         
        this.numberOfSamples = numberOfSamples;
        this.runningTotal = runningTotal;
    } 
        
	/**
     * Constructs an immutable instance of AverageRangeStatisticImpl.
     * @param stats a BoundedRangeStatisticImpl
     * @param numberOfSamples number of samples at present
     * @param runningTotal running total of sampled data at present
     **/    
	public AverageRangeStatisticImpl(BoundedRangeStatisticImpl stats, 
                long numberOfSamples, long runningTotal) {                                         
        boundedRangeStatistic = stats;                                                                          
        this.numberOfSamples = numberOfSamples;
        this.runningTotal = runningTotal;
    }         
   
    public long getCurrent() {
        return boundedRangeStatistic.getCurrent();
    }

    public String getDescription() {
        return boundedRangeStatistic.getDescription();
    }

    public long getHighWaterMark() {
        return boundedRangeStatistic.getHighWaterMark();
    }

    public long getLastSampleTime() {
        return boundedRangeStatistic.getLastSampleTime();
    }

    public long getLowWaterMark() {
        return boundedRangeStatistic.getLowWaterMark();
    }
/*
    public long getLowerBound() {
        return boundedRangeStatistic.getLowerBound();
    }
     */

    public String getName() {
        return boundedRangeStatistic.getName();
    }

    public long getStartTime() {
        return boundedRangeStatistic.getStartTime();
    }

    public String getUnit() {
        return boundedRangeStatistic.getUnit();
    }
/*
    public long getUpperBound() {
        return boundedRangeStatistic.getUpperBound();
    }
     */
        
    public long getAverage() {
        if(numberOfSamples == 0) {
            return -1;
        } else {
            return runningTotal / numberOfSamples;
        }        
    }
    /** This is a hack. This method allows us to internatinalize the descriptions.
        See bug Id: 5045413
    */
    public void setDescription(final String desc) {
        this.boundedRangeStatistic.setDescription(desc);
    }
    
}