jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/org/glassfish/external/statistics/impl/CountStatisticImpl.java@9c07ef4934dd

     1 /*

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

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

     4  *

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

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

     7  * published by the Free Software Foundation.  Oracle designates this

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

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

    10  *

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

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

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

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

    15  * accompanied this code).

    16  *

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

    18  * 2 along with this work; if not, write to the Free Software Foundation,

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

    20  *

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

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

    23  * questions.

    24  */

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

    28 import com.sun.org.glassfish.external.statistics.CountStatistic;

    29 import java.util.Map;

    30 import java.lang.reflect.*;

    32 /**

    33  * @author Sreenivas Munnangi

    34  */

    35 public final class CountStatisticImpl extends StatisticImpl

    36     implements CountStatistic, InvocationHandler {

    38     private long count = 0L;

    39     private final long initCount;

    41     private final CountStatistic cs =

    42             (CountStatistic) Proxy.newProxyInstance(

    43             CountStatistic.class.getClassLoader(),

    44             new Class[] { CountStatistic.class },

    45             this);

    47     public CountStatisticImpl(long countVal, String name, String unit,

    48                               String desc, long sampleTime, long startTime) {

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

    50         count = countVal;

    51         initCount = countVal;

    52     }

    54     public CountStatisticImpl(String name, String unit, String desc) {

    55         this(0L, name, unit, desc, -1L, System.currentTimeMillis());

    56     }

    58     public synchronized CountStatistic getStatistic() {

    59         return cs;

    60     }

    62     public synchronized Map getStaticAsMap() {

    63         Map m = super.getStaticAsMap();

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

    65         return m;

    66     }

    68     public synchronized String toString() {

    69         return super.toString() + NEWLINE + "Count: " + getCount();

    70     }

    72     public synchronized long getCount() {

    73         return count;

    74     }

    76     public synchronized void setCount(long countVal) {

    77         count = countVal;

    78         sampleTime = System.currentTimeMillis();

    79     }

    81     public synchronized void increment() {

    82         count++;

    83         sampleTime = System.currentTimeMillis();

    84     }

    86     public synchronized void increment(long delta) {

    87         count = count + delta;

    88         sampleTime = System.currentTimeMillis();

    89     }

    91     public synchronized void decrement() {

    92         count--;

    93         sampleTime = System.currentTimeMillis();

    94     }

    96     @Override

    97     public synchronized void reset() {

    98         super.reset();

    99         count = initCount;

   100         sampleTime = -1L;

   101     }

   103     // todo: equals implementation

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

   105         checkMethod(m);

   107         Object result;

   108         try {

   109             result = m.invoke(this, args);

   110         } catch (InvocationTargetException e) {

   111             throw e.getTargetException();

   112         } catch (Exception e) {

   113             throw new RuntimeException("unexpected invocation exception: " +

   114                        e.getMessage());

   115         }

   116         return result;

   117     }

   118 }

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