01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * The contents of this file are subject to the terms of either the GNU
07: * General Public License Version 2 only ("GPL") or the Common
08: * Development and Distribution License("CDDL") (collectively, the
09: * "License"). You may not use this file except in compliance with the
10: * License. You can obtain a copy of the License at
11: * http://www.netbeans.org/cddl-gplv2.html
12: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
13: * specific language governing permissions and limitations under the
14: * License. When distributing the software, include this License Header
15: * Notice in each file and include the License file at
16: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
17: * particular file as subject to the "Classpath" exception as provided
18: * by Sun in the GPL Version 2 section of the License file that
19: * accompanied this code. If applicable, add the following below the
20: * License Header, with the fields enclosed by brackets [] replaced by
21: * your own identifying information:
22: * "Portions Copyrighted [year] [name of copyright owner]"
23: *
24: * Contributor(s):
25: * The Original Software is NetBeans. The Initial Developer of the Original
26: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
27: * Microsystems, Inc. All Rights Reserved.
28: *
29: * If you wish your version of this file to be governed by only the CDDL
30: * or only the GPL Version 2, indicate your decision by adding
31: * "[Contributor] elects to include this software in this distribution
32: * under the [CDDL or GPL Version 2] license." If you do not indicate a
33: * single choice of license, a recipient has the option to distribute
34: * your version of this file under either the CDDL, the GPL Version 2 or
35: * to extend the choice of license to its licensees as provided above.
36: * However, if you add GPL Version 2 code and therefore, elected the GPL
37: * Version 2 license, then the option applies only if the new code is
38: * made subject to such option by the copyright holder.
39: */
40:
41: package org.netbeans.lib.profiler.results.cpu.marking;
42:
43: import org.netbeans.lib.profiler.global.ProfilingSessionStatus;
44: import java.util.HashMap;
45: import java.util.Map;
46:
47: /**
48: *
49: * @author Jaroslav Bachorik
50: */
51: public class MarkMapper implements MarkingEngine.StateObserver {
52: //~ Instance fields ----------------------------------------------------------------------------------------------------------
53:
54: // @GuardedBy marksGuard
55: private final Map markMap = new HashMap();
56: private final Object marksGuard = new Object();
57:
58: //~ Constructors -------------------------------------------------------------------------------------------------------------
59:
60: /** Creates a new instance of CategoryMapper */
61: MarkMapper() {
62: }
63:
64: //~ Methods ------------------------------------------------------------------------------------------------------------------
65:
66: public Mark getMark(int methodId, ProfilingSessionStatus status) {
67: synchronized (marksGuard) {
68: Mark mark = (Mark) markMap.get(Integer.valueOf(methodId));
69:
70: if (mark == null) {
71: mark = MarkingEngine.getDefault()
72: .mark(methodId, status); // do mark the method
73: markMap.put(Integer.valueOf(methodId), mark);
74: }
75:
76: return mark;
77: }
78: }
79:
80: public void stateChanged(MarkingEngine instance) {
81: reset();
82: }
83:
84: private void reset() {
85: synchronized (marksGuard) {
86: markMap.clear();
87: }
88: }
89: }
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