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.heap;
42:
43: /**
44: *
45: * @author Tomas Hurka
46: */
47: class HprofArrayValue implements ArrayItemValue {
48: //~ Instance fields ----------------------------------------------------------------------------------------------------------
49:
50: final ClassDump dumpClass;
51: final int index;
52: final long instanceArrayOffset;
53:
54: //~ Constructors -------------------------------------------------------------------------------------------------------------
55:
56: HprofArrayValue(ClassDump cls, long offset, int number) {
57: dumpClass = cls;
58: instanceArrayOffset = offset;
59: index = number;
60: }
61:
62: //~ Methods ------------------------------------------------------------------------------------------------------------------
63:
64: public Instance getDefiningInstance() {
65: return new ObjectArrayDump(dumpClass, instanceArrayOffset);
66: }
67:
68: public int getIndex() {
69: return index;
70: }
71:
72: public Instance getInstance() {
73: HprofHeap heap = dumpClass.getHprof();
74: HprofByteBuffer dumpBuffer = heap.dumpBuffer;
75: int idSize = dumpBuffer.getIDSize();
76:
77: long instaceId = dumpBuffer.getID(instanceArrayOffset + 1
78: + idSize + 4 + 4 + idSize + (index * idSize));
79:
80: return heap.getInstanceByID(instaceId);
81: }
82: }
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