Mercurial > jdk8-mips64-public > jaxws / file revision

 /*

  * Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved.

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

  *

  * This code is free software; you can redistribute it and/or modify it

  * under the terms of the GNU General Public License version 2 only, as

  * published by the Free Software Foundation.  Oracle designates this

  * particular file as subject to the "Classpath" exception as provided

  * by Oracle in the LICENSE file that accompanied this code.

  *

  * This code is distributed in the hope that it will be useful, but WITHOUT

  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

  * version 2 for more details (a copy is included in the LICENSE file that

  * accompanied this code).

  *

  * You should have received a copy of the GNU General Public License version

  * 2 along with this work; if not, write to the Free Software Foundation,

  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

  *

  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

  * or visit www.oracle.com if you need additional information or have any

  * questions.

  */

 package com.sun.org.glassfish.external.statistics.impl;

 import com.sun.org.glassfish.external.statistics.TimeStatistic;

 import java.util.Map;

 import java.lang.reflect.*;

 /**

  * @author Sreenivas Munnangi

  */

 public final class TimeStatisticImpl extends StatisticImpl

     implements TimeStatistic, InvocationHandler {

     private long count = 0L;

     private long maxTime = 0L;

     private long minTime = 0L;

     private long totTime = 0L;

     private final long initCount;

     private final long initMaxTime;

     private final long initMinTime;

     private final long initTotTime;

     private final TimeStatistic ts =

             (TimeStatistic) Proxy.newProxyInstance(

             TimeStatistic.class.getClassLoader(),

             new Class[] { TimeStatistic.class },

             this);

     public synchronized final String toString() {

         return super.toString() + NEWLINE +

             "Count: " + getCount() + NEWLINE +

             "MinTime: " + getMinTime() + NEWLINE +

             "MaxTime: " + getMaxTime() + NEWLINE +

             "TotalTime: " + getTotalTime();

     }

     public TimeStatisticImpl(long counter, long maximumTime, long minimumTime,

                              long totalTime, String name, String unit,

                              String desc, long startTime, long sampleTime) {

         super(name, unit, desc, startTime, sampleTime);

         count = counter;

         initCount = counter;

         maxTime = maximumTime;

         initMaxTime = maximumTime;

         minTime = minimumTime;

         initMinTime = minimumTime;

         totTime = totalTime;

         initTotTime = totalTime;

     }

     public synchronized TimeStatistic getStatistic() {

         return ts;

     }

     public synchronized Map getStaticAsMap() {

         Map m = super.getStaticAsMap();

         m.put("count", getCount());

         m.put("maxtime", getMaxTime());

         m.put("mintime", getMinTime());

         m.put("totaltime", getTotalTime());

         return m;

     }

      public synchronized void incrementCount(long current) {

         if (count == 0) {

             totTime = current;

             maxTime = current;

             minTime = current;

         } else {

             totTime = totTime + current;

             maxTime = (current >= maxTime ? current : maxTime);

             minTime = (current >= minTime ? minTime : current);

         }

         count++;

         sampleTime = System.currentTimeMillis();

      }

     /**

      * Returns the number of times an operation was invoked

      */

     public synchronized long getCount() {

         return count;

     }

     /**

      * Returns the maximum amount of time that it took for one invocation of an

      * operation, since measurement started.

      */

     public synchronized long getMaxTime() {

         return maxTime;

     }

     /**

      * Returns the minimum amount of time that it took for one invocation of an

      * operation, since measurement started.

      */

     public synchronized long getMinTime() {

         return minTime;

     }

     /**

      * Returns the amount of time that it took for all invocations,

      * since measurement started.

      */

     public synchronized long getTotalTime() {

         return totTime;

     }

     @Override

     public synchronized void reset() {

         super.reset();

         count = initCount;

         maxTime = initMaxTime;

         minTime = initMinTime;

         totTime = initTotTime;

         sampleTime = -1L;

     }

     // todo: equals implementation

     public Object invoke(Object proxy, Method m, Object[] args) throws Throwable {

         checkMethod(m);

         Object result;

         try {

             result = m.invoke(this, args);

         } catch (InvocationTargetException e) {

             throw e.getTargetException();

         } catch (Exception e) {

             throw new RuntimeException("unexpected invocation exception: " +

                        e.getMessage());

         }

         return result;

     }

 }