Source Code Cross Referenced for ThreadData.java in  » IDE-Netbeans » cvsclient » org » netbeans » lib » profiler » results » threads » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE Netbeans » cvsclient » org.netbeans.lib.profiler.results.threads 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003:         *
004:         * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005:         *
006:         * The contents of this file are subject to the terms of either the GNU
007:         * General Public License Version 2 only ("GPL") or the Common
008:         * Development and Distribution License("CDDL") (collectively, the
009:         * "License"). You may not use this file except in compliance with the
010:         * License. You can obtain a copy of the License at
011:         * http://www.netbeans.org/cddl-gplv2.html
012:         * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013:         * specific language governing permissions and limitations under the
014:         * License.  When distributing the software, include this License Header
015:         * Notice in each file and include the License file at
016:         * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this
017:         * particular file as subject to the "Classpath" exception as provided
018:         * by Sun in the GPL Version 2 section of the License file that
019:         * accompanied this code. If applicable, add the following below the
020:         * License Header, with the fields enclosed by brackets [] replaced by
021:         * your own identifying information:
022:         * "Portions Copyrighted [year] [name of copyright owner]"
023:         *
024:         * Contributor(s):
025:         * The Original Software is NetBeans. The Initial Developer of the Original
026:         * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
027:         * Microsystems, Inc. All Rights Reserved.
028:         *
029:         * If you wish your version of this file to be governed by only the CDDL
030:         * or only the GPL Version 2, indicate your decision by adding
031:         * "[Contributor] elects to include this software in this distribution
032:         * under the [CDDL or GPL Version 2] license." If you do not indicate a
033:         * single choice of license, a recipient has the option to distribute
034:         * your version of this file under either the CDDL, the GPL Version 2 or
035:         * to extend the choice of license to its licensees as provided above.
036:         * However, if you add GPL Version 2 code and therefore, elected the GPL
037:         * Version 2 license, then the option applies only if the new code is
038:         * made subject to such option by the copyright holder.
039:         */
040:
041:        package org.netbeans.lib.profiler.results.threads;
042:
043:        import org.netbeans.lib.profiler.global.CommonConstants;
044:        import java.awt.*;
045:
046:        /**
047:         * A representation of the thread timeline data for a single thread
048:         *
049:         * @author Misha Dmitriev
050:         */
051:        public class ThreadData {
052:            //~ Static fields/initializers -----------------------------------------------------------------------------------------------
053:
054:            static final byte NO_STATE = 127;
055:
056:            //~ Instance fields ----------------------------------------------------------------------------------------------------------
057:
058:            private final Object dataLock = new Object();
059:            private String className;
060:            private String name;
061:            private byte[] threadStates; // Array of states corresponding to above timestamps
062:            // @GuardedBy dataLock
063:
064:            // @GuardedBy dataLock
065:            private long[] timeStamps; // Array of points in time at which thread's state changes
066:            // @GuardedBy dataLock
067:
068:            // @GuardedBy dataLock
069:            private int capacity;
070:            private int curSize;
071:
072:            //~ Constructors -------------------------------------------------------------------------------------------------------------
073:
074:            public ThreadData(String name, String className) {
075:                synchronized (dataLock) {
076:                    capacity = 50;
077:                    timeStamps = new long[capacity];
078:                    threadStates = new byte[capacity];
079:                    curSize = 0;
080:                }
081:
082:                this .name = name;
083:                this .className = className;
084:            }
085:
086:            //~ Methods ------------------------------------------------------------------------------------------------------------------
087:
088:            public String getClassName() {
089:                return className;
090:            }
091:
092:            public byte getFirstState() {
093:                synchronized (dataLock) {
094:                    if (curSize == 0) {
095:                        return NO_STATE;
096:                    } else {
097:                        return threadStates[0];
098:                    }
099:                }
100:            }
101:
102:            public long getFirstTimeStamp() {
103:                synchronized (dataLock) {
104:                    if (curSize == 0) {
105:                        return 0;
106:                    } else {
107:                        return timeStamps[0];
108:                    }
109:                }
110:            }
111:
112:            public byte getLastState() {
113:                synchronized (dataLock) {
114:                    if (curSize == 0) {
115:                        return NO_STATE;
116:                    } else {
117:                        return threadStates[curSize - 1];
118:                    }
119:                }
120:            }
121:
122:            public long getLastTimeStamp() {
123:                synchronized (dataLock) {
124:                    if (curSize == 0) {
125:                        return 0;
126:                    } else {
127:                        return timeStamps[curSize - 1];
128:                    }
129:                }
130:            }
131:
132:            public String getName() {
133:                return name;
134:            }
135:
136:            public byte getStateAt(int idx) {
137:                synchronized (dataLock) {
138:                    return threadStates[idx];
139:                }
140:            }
141:
142:            public static Color getThreadStateColor(int threadState) {
143:                switch (threadState) {
144:                case CommonConstants.THREAD_STATUS_UNKNOWN:
145:                    return CommonConstants.THREAD_STATUS_UNKNOWN_COLOR;
146:                case CommonConstants.THREAD_STATUS_ZOMBIE:
147:                    return CommonConstants.THREAD_STATUS_ZOMBIE_COLOR;
148:                case CommonConstants.THREAD_STATUS_RUNNING:
149:                    return CommonConstants.THREAD_STATUS_RUNNING_COLOR;
150:                case CommonConstants.THREAD_STATUS_SLEEPING:
151:                    return CommonConstants.THREAD_STATUS_SLEEPING_COLOR;
152:                case CommonConstants.THREAD_STATUS_MONITOR:
153:                    return CommonConstants.THREAD_STATUS_MONITOR_COLOR;
154:                case CommonConstants.THREAD_STATUS_WAIT:
155:                    return CommonConstants.THREAD_STATUS_WAIT_COLOR;
156:                default:
157:                    return CommonConstants.THREAD_STATUS_UNKNOWN_COLOR;
158:                }
159:            }
160:
161:            public Color getThreadStateColorAt(int idx) {
162:                synchronized (dataLock) {
163:                    return getThreadStateColor(threadStates[idx]);
164:                }
165:            }
166:
167:            public long getTimeStampAt(int idx) {
168:                synchronized (dataLock) {
169:                    return timeStamps[idx];
170:                }
171:            }
172:
173:            public void add(long timeStamp, byte threadState) {
174:                synchronized (dataLock) {
175:                    if (curSize == capacity) {
176:                        long[] oldStamps = timeStamps;
177:                        byte[] oldStates = threadStates;
178:                        int oldCapacity = capacity;
179:                        capacity = capacity * 2;
180:                        timeStamps = new long[capacity];
181:                        threadStates = new byte[capacity];
182:                        System.arraycopy(oldStamps, 0, timeStamps, 0,
183:                                oldCapacity);
184:                        System.arraycopy(oldStates, 0, threadStates, 0,
185:                                oldCapacity);
186:                    }
187:
188:                    timeStamps[curSize] = timeStamp;
189:                    threadStates[curSize] = threadState;
190:                    curSize++;
191:                }
192:            }
193:
194:            public void clearStates() {
195:                synchronized (dataLock) {
196:                    capacity = 50;
197:                    timeStamps = new long[capacity];
198:                    threadStates = new byte[capacity];
199:                    curSize = 0;
200:                }
201:            }
202:
203:            public int size() {
204:                synchronized (dataLock) {
205:                    return curSize;
206:                }
207:            }
208:        }
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