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.heap;
042:
043: import java.util.HashMap;
044: import java.util.Map;
045:
046: /**
047: *
048: * @author Tomas Hurka
049: * @author Tomas Hurka
050: */
051: class HprofGCRoot extends HprofObject implements GCRoot {
052: //~ Static fields/initializers -----------------------------------------------------------------------------------------------
053:
054: static Map kindMap;
055:
056: static {
057: kindMap = new HashMap();
058: kindMap.put(Integer.valueOf(HprofHeap.ROOT_UNKNOWN),
059: GCRoot.UNKNOWN);
060: kindMap.put(Integer.valueOf(HprofHeap.ROOT_JNI_GLOBAL),
061: GCRoot.JNI_GLOBAL);
062: kindMap.put(Integer.valueOf(HprofHeap.ROOT_JNI_LOCAL),
063: GCRoot.JNI_LOCAL);
064: kindMap.put(Integer.valueOf(HprofHeap.ROOT_JAVA_FRAME),
065: GCRoot.JAVA_FRAME);
066: kindMap.put(Integer.valueOf(HprofHeap.ROOT_NATIVE_STACK),
067: GCRoot.NATIVE_STACK);
068: kindMap.put(Integer.valueOf(HprofHeap.ROOT_STICKY_CLASS),
069: GCRoot.STICKY_CLASS);
070: kindMap.put(Integer.valueOf(HprofHeap.ROOT_THREAD_BLOCK),
071: GCRoot.THREAD_BLOCK);
072: kindMap.put(Integer.valueOf(HprofHeap.ROOT_MONITOR_USED),
073: GCRoot.MONITOR_USED);
074: kindMap.put(Integer.valueOf(HprofHeap.ROOT_THREAD_OBJECT),
075: GCRoot.THREAD_OBJECT);
076: }
077:
078: //~ Instance fields ----------------------------------------------------------------------------------------------------------
079:
080: HprofHeap heap;
081:
082: //~ Constructors -------------------------------------------------------------------------------------------------------------
083:
084: HprofGCRoot(HprofHeap h, long offset) {
085: super (offset);
086: heap = h;
087: }
088:
089: //~ Methods ------------------------------------------------------------------------------------------------------------------
090:
091: public Instance getInstance() {
092: return heap.getInstanceByID(getInstanceId());
093: }
094:
095: public String getKind() {
096: int k = heap.dumpBuffer.get(fileOffset);
097:
098: return (String) kindMap.get(Integer.valueOf(k & 0xff));
099: }
100:
101: long getInstanceId() {
102: return heap.dumpBuffer.getID(fileOffset + 1);
103: }
104: }
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