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My first initial commit with all of mine experimental changes.

Dmitry Kabak (userdima committed 13 years ago

Commit d37b88d1 parent 3f5b46618352 files · +2598093 −-8690Browse files

Showing the changes to java/pkg/com/sun/tools/hat/internal/model/JavaStatic.java (1 of 18352 files). Show all

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java/pkg/com/sun/tools/hat/internal/model/JavaStatic.java+79−0
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1+/*
2+ * Copyright (c) 1997, 2008, 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+ */
25+
26+
27+/*
28+ * The Original Code is HAT. The Initial Developer of the
29+ * Original Code is Bill Foote, with contributions from others
30+ * at JavaSoft/Sun.
31+ */
32+
33+package com.sun.tools.hat.internal.model;
34+
35+/**
36+ *
37+ * @author Bill Foote
38+ */
39+
40+/**
41+ * Represents the value of a static field of a JavaClass
42+ */
43+
44+public class JavaStatic {
45+
46+ private JavaField field;
47+ private JavaThing value;
48+
49+ public JavaStatic(JavaField field, JavaThing value) {
50+ this.field = field;
51+ this.value = value;
52+ }
53+
54+ public void resolve(JavaClass clazz, Snapshot snapshot) {
55+ long id = -1;
56+ if (value instanceof JavaObjectRef) {
57+ id = ((JavaObjectRef)value).getId();
58+ }
59+ value = value.dereference(snapshot, field);
60+ if (value.isHeapAllocated() &&
61+ clazz.getLoader() == snapshot.getNullThing()) {
62+ // static fields are only roots if they are in classes
63+ // loaded by the root classloader.
64+ JavaHeapObject ho = (JavaHeapObject) value;
65+ String s = "Static reference from " + clazz.getName()
66+ + "." + field.getName();
67+ snapshot.addRoot(new Root(id, clazz.getId(),
68+ Root.JAVA_STATIC, s));
69+ }
70+ }
71+
72+ public JavaField getField() {
73+ return field;
74+ }
75+
76+ public JavaThing getValue() {
77+ return value;
78+ }
79+}