Tue, 06 Mar 2012 16:09:35 -0800
7150322: Stop using drop source bundles in jaxws
Reviewed-by: darcy, ohrstrom
1 /*
2 * Copyright (c) 1997, 2007, 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 */
26 package com.sun.org.glassfish.external.statistics.impl;
27 import com.sun.org.glassfish.external.statistics.RangeStatistic;
28 import java.util.concurrent.atomic.AtomicLong;
29 import java.util.Map;
30 import java.lang.reflect.*;
32 /**
33 * @author Sreenivas Munnangi
34 */
35 public final class RangeStatisticImpl extends StatisticImpl
36 implements RangeStatistic, InvocationHandler {
38 private long currentVal = 0L;
39 private long highWaterMark = Long.MIN_VALUE;
40 private long lowWaterMark = Long.MAX_VALUE;
41 private final long initCurrentVal;
42 private final long initHighWaterMark;
43 private final long initLowWaterMark;
45 private final RangeStatistic rs =
46 (RangeStatistic) Proxy.newProxyInstance(
47 RangeStatistic.class.getClassLoader(),
48 new Class[] { RangeStatistic.class },
49 this);
51 public RangeStatisticImpl(long curVal, long highMark, long lowMark,
52 String name, String unit, String desc,
53 long startTime, long sampleTime) {
54 super(name, unit, desc, startTime, sampleTime);
55 currentVal = curVal;
56 initCurrentVal = curVal;
57 highWaterMark = highMark;
58 initHighWaterMark = highMark;
59 lowWaterMark = lowMark;
60 initLowWaterMark = lowMark;
61 }
63 public synchronized RangeStatistic getStatistic() {
64 return rs;
65 }
67 public synchronized Map getStaticAsMap() {
68 Map m = super.getStaticAsMap();
69 m.put("current", getCurrent());
70 m.put("lowwatermark", getLowWaterMark());
71 m.put("highwatermark", getHighWaterMark());
72 return m;
73 }
75 public synchronized long getCurrent() {
76 return currentVal;
77 }
79 public synchronized void setCurrent(long curVal) {
80 currentVal = curVal;
81 lowWaterMark = (curVal >= lowWaterMark ? lowWaterMark : curVal);
82 highWaterMark = (curVal >= highWaterMark ? curVal : highWaterMark);
83 sampleTime = System.currentTimeMillis();
84 }
86 /**
87 * Returns the highest value of this statistic, since measurement started.
88 */
89 public synchronized long getHighWaterMark() {
90 return highWaterMark;
91 }
93 public synchronized void setHighWaterMark(long hwm) {
94 highWaterMark = hwm;
95 }
97 /**
98 * Returns the lowest value of this statistic, since measurement started.
99 */
100 public synchronized long getLowWaterMark() {
101 return lowWaterMark;
102 }
104 public synchronized void setLowWaterMark(long lwm) {
105 lowWaterMark = lwm;
106 }
108 @Override
109 public synchronized void reset() {
110 super.reset();
111 currentVal = initCurrentVal;
112 highWaterMark = initHighWaterMark;
113 lowWaterMark = initLowWaterMark;
114 sampleTime = -1L;
115 }
117 public synchronized String toString() {
118 return super.toString() + NEWLINE +
119 "Current: " + getCurrent() + NEWLINE +
120 "LowWaterMark: " + getLowWaterMark() + NEWLINE +
121 "HighWaterMark: " + getHighWaterMark();
122 }
124 // todo: equals implementation
125 public Object invoke(Object proxy, Method m, Object[] args) throws Throwable {
126 Object result;
127 try {
128 result = m.invoke(this, args);
129 } catch (InvocationTargetException e) {
130 throw e.getTargetException();
131 } catch (Exception e) {
132 throw new RuntimeException("unexpected invocation exception: " +
133 e.getMessage());
134 } finally {
135 }
136 return result;
137 }
138 }