Jetty example source code file (TimeStatisticImpl.java)

This example Jetty source code file (TimeStatisticImpl.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 - Jetty tags/keywords

count, hour, hour, microsecond, milliseconds, minute, nanosecond, second, second, servletstatsimpl, servletstatsimpl, string, string, timestatisticimpl

The Jetty TimeStatisticImpl.java source code

//========================================================================
//$Id: TimeStatisticImpl.java 1195 2006-11-12 23:02:51Z janb $
//Copyright 200-2004 Mort Bay Consulting Pty. Ltd.
//------------------------------------------------------------------------
//Licensed under the Apache License, Version 2.0 (the "License");
//you may not use this file except in compliance with the License.
//You may obtain a copy of the License at 
//http://www.apache.org/licenses/LICENSE-2.0
//Unless required by applicable law or agreed to in writing, software
//distributed under the License is distributed on an "AS IS" BASIS,
//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//See the License for the specific language governing permissions and
//limitations under the License.
//========================================================================
package org.mortbay.jetty.servlet.jsr77;



/**
 * @author janb
 *
 * To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
public class TimeStatisticImpl implements
        javax.management.j2ee.statistics.TimeStatistic
{
 
    private static final String HOUR = "HOUR";
    private static final String MICROSECOND = "MICROSECOND";
    private static final String MILLISECONDS = "MILLISECONDS";
    private static final String MINUTE = "MINUTE";
    private static final String NANOSECOND = "NANOSECOND";
    private static final String SECOND = "SECOND";
    private ServletStatsImpl servletStats = null;
    private long count = 0;
    private long maxTime = 0;
    private long minTime = 0; 
    private long totalTime = 0; 
    private long startTime = 0;
    private long lastSampleTime = 0;
    private String name = null;
    private String description = null;
    private String units = null;
    
    
    public TimeStatisticImpl (ServletStatsImpl servletStats,  String name, String description, String unit)
    {
        setServletStats(servletStats);
        setName (name);
        setDescription (description);
        setUnit (unit);
    }

    /** Return number of times statistic has been gathered.
     * @see javax.management.j2ee.statistics.TimeStatistic#getCount()
     */
    public long getCount ()
    {
       return count;
    }

    /** Return max value of statistic.
     * @see javax.management.j2ee.statistics.TimeStatistic#getMaxTime()
     */
    public long getMaxTime ()
    {
       return maxTime;
    }

    /** Return min value of statistic.
     * @see javax.management.j2ee.statistics.TimeStatistic#getMinTime()
     */
    public long getMinTime ()
    {
        return minTime;
    }

    /** Return total time of statistic
     * @see javax.management.j2ee.statistics.TimeStatistic#getTotalTime()
     */
    public long getTotalTime ()
    {
        return totalTime;
    }

    /** Return name of statistic
     * @see javax.management.j2ee.statistics.Statistic#getName()
     */
    public String getName ()
    {
      return name;
    }

    public void setName (String n)
    {
        name = n;
    }
    
    /** Return units of statistic
     * @see javax.management.j2ee.statistics.Statistic#getUnit()
     */
    public String getUnit ()
    {
        return units;
    }
    
    public void setUnit (String u)
    {
        units = u;
    }

    /** Human readable description of statistic
     * @see javax.management.j2ee.statistics.Statistic#getDescription()
     */
    public String getDescription ()
    {
        return description;
    }

    public void setDescription (String s)
    {
        description = s;
    }
    
    
    /** Get the time the statistic began to be gathered.
     * As milliseconds since the last epoch.
     * @see javax.management.j2ee.statistics.Statistic#getStartTime()
     */
    public long getStartTime ()
    {
        return startTime;
    }

    public void setStartTime ()
    {
        startTime = System.currentTimeMillis();
    }
    
    /** Get the time of the last sample.
     * As milliseconds since the epoch.
     * @see javax.management.j2ee.statistics.Statistic#getLastSampleTime()
     */
    public long getLastSampleTime ()
    {
        return lastSampleTime;
    }
    
    public void setServletStats (ServletStatsImpl stats)
    {
        servletStats = stats;
    }
    
    public synchronized void addSample (long sample, long time)
    {
        count ++;
        if (sample > maxTime)
            maxTime = sample;
        if ((sample < minTime) || (minTime == 0))
            minTime = sample;
        lastSampleTime = time;
        totalTime = totalTime + sample;
    }
    
    public String toString ()
    {
        return "Name="+getName()+
               ", Description="+getDescription()+
               ", Units="+getUnit()+
               ", StartTime="+getStartTime()+
               ", Count="+getCount()+
               ", MinTime="+getMinTime()+
               ", MaxTime="+getMaxTime()+
               ", TotalTime="+getTotalTime()+
               ", LastSampleTime="+getLastSampleTime();
    }

}