Thu, 31 Aug 2017 15:18:52 +0800
merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
aoqi@0 | 10 | * |
aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 15 | * accompanied this code). |
aoqi@0 | 16 | * |
aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 20 | * |
aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 23 | * questions. |
aoqi@0 | 24 | */ |
aoqi@0 | 25 | |
aoqi@0 | 26 | |
aoqi@0 | 27 | package com.sun.org.glassfish.external.statistics.impl; |
aoqi@0 | 28 | import com.sun.org.glassfish.external.statistics.CountStatistic; |
aoqi@0 | 29 | import java.util.Map; |
aoqi@0 | 30 | import java.lang.reflect.*; |
aoqi@0 | 31 | |
aoqi@0 | 32 | /** |
aoqi@0 | 33 | * @author Sreenivas Munnangi |
aoqi@0 | 34 | */ |
aoqi@0 | 35 | public final class CountStatisticImpl extends StatisticImpl |
aoqi@0 | 36 | implements CountStatistic, InvocationHandler { |
aoqi@0 | 37 | |
aoqi@0 | 38 | private long count = 0L; |
aoqi@0 | 39 | private final long initCount; |
aoqi@0 | 40 | |
aoqi@0 | 41 | private final CountStatistic cs = |
aoqi@0 | 42 | (CountStatistic) Proxy.newProxyInstance( |
aoqi@0 | 43 | CountStatistic.class.getClassLoader(), |
aoqi@0 | 44 | new Class[] { CountStatistic.class }, |
aoqi@0 | 45 | this); |
aoqi@0 | 46 | |
aoqi@0 | 47 | public CountStatisticImpl(long countVal, String name, String unit, |
aoqi@0 | 48 | String desc, long sampleTime, long startTime) { |
aoqi@0 | 49 | super(name, unit, desc, startTime, sampleTime); |
aoqi@0 | 50 | count = countVal; |
aoqi@0 | 51 | initCount = countVal; |
aoqi@0 | 52 | } |
aoqi@0 | 53 | |
aoqi@0 | 54 | public CountStatisticImpl(String name, String unit, String desc) { |
aoqi@0 | 55 | this(0L, name, unit, desc, -1L, System.currentTimeMillis()); |
aoqi@0 | 56 | } |
aoqi@0 | 57 | |
aoqi@0 | 58 | public synchronized CountStatistic getStatistic() { |
aoqi@0 | 59 | return cs; |
aoqi@0 | 60 | } |
aoqi@0 | 61 | |
aoqi@0 | 62 | public synchronized Map getStaticAsMap() { |
aoqi@0 | 63 | Map m = super.getStaticAsMap(); |
aoqi@0 | 64 | m.put("count", getCount()); |
aoqi@0 | 65 | return m; |
aoqi@0 | 66 | } |
aoqi@0 | 67 | |
aoqi@0 | 68 | public synchronized String toString() { |
aoqi@0 | 69 | return super.toString() + NEWLINE + "Count: " + getCount(); |
aoqi@0 | 70 | } |
aoqi@0 | 71 | |
aoqi@0 | 72 | public synchronized long getCount() { |
aoqi@0 | 73 | return count; |
aoqi@0 | 74 | } |
aoqi@0 | 75 | |
aoqi@0 | 76 | public synchronized void setCount(long countVal) { |
aoqi@0 | 77 | count = countVal; |
aoqi@0 | 78 | sampleTime = System.currentTimeMillis(); |
aoqi@0 | 79 | } |
aoqi@0 | 80 | |
aoqi@0 | 81 | public synchronized void increment() { |
aoqi@0 | 82 | count++; |
aoqi@0 | 83 | sampleTime = System.currentTimeMillis(); |
aoqi@0 | 84 | } |
aoqi@0 | 85 | |
aoqi@0 | 86 | public synchronized void increment(long delta) { |
aoqi@0 | 87 | count = count + delta; |
aoqi@0 | 88 | sampleTime = System.currentTimeMillis(); |
aoqi@0 | 89 | } |
aoqi@0 | 90 | |
aoqi@0 | 91 | public synchronized void decrement() { |
aoqi@0 | 92 | count--; |
aoqi@0 | 93 | sampleTime = System.currentTimeMillis(); |
aoqi@0 | 94 | } |
aoqi@0 | 95 | |
aoqi@0 | 96 | @Override |
aoqi@0 | 97 | public synchronized void reset() { |
aoqi@0 | 98 | super.reset(); |
aoqi@0 | 99 | count = initCount; |
aoqi@0 | 100 | sampleTime = -1L; |
aoqi@0 | 101 | } |
aoqi@0 | 102 | |
aoqi@0 | 103 | // todo: equals implementation |
aoqi@0 | 104 | public Object invoke(Object proxy, Method m, Object[] args) throws Throwable { |
aoqi@0 | 105 | checkMethod(m); |
aoqi@0 | 106 | |
aoqi@0 | 107 | Object result; |
aoqi@0 | 108 | try { |
aoqi@0 | 109 | result = m.invoke(this, args); |
aoqi@0 | 110 | } catch (InvocationTargetException e) { |
aoqi@0 | 111 | throw e.getTargetException(); |
aoqi@0 | 112 | } catch (Exception e) { |
aoqi@0 | 113 | throw new RuntimeException("unexpected invocation exception: " + |
aoqi@0 | 114 | e.getMessage()); |
aoqi@0 | 115 | } |
aoqi@0 | 116 | return result; |
aoqi@0 | 117 | } |
aoqi@0 | 118 | } |