Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/utilities/soql/JSJavaInstance.java @ 6725:da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author | coleenp |
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date | Sat, 01 Sep 2012 13:25:18 -0400 |
parents | c18cbe5936b8 |
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0 | 1 /* |
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2 * Copyright (c) 2003, 2007, Oracle and/or its affiliates. All rights reserved. |
0 | 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. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 package sun.jvm.hotspot.utilities.soql; | |
26 | |
27 import sun.jvm.hotspot.oops.*; | |
28 | |
29 /** This is JavaScript wrapper for Java Instance in debuggee.*/ | |
30 | |
31 public class JSJavaInstance extends JSJavaObject { | |
32 public JSJavaInstance(Instance instance, JSJavaFactory fac) { | |
33 super(instance, fac); | |
34 this.type = (JSJavaInstanceKlass) fac.newJSJavaKlass(instance.getKlass()); | |
35 } | |
36 | |
37 public final Instance getInstance() { | |
38 return (Instance) getOop(); | |
39 } | |
40 | |
41 public final JSJavaClass getJSJavaClass() { | |
42 return type.getJSJavaClass(); | |
43 } | |
44 | |
45 public Object get(String name) { | |
46 if (hasField(name)) { | |
47 return getFieldValue(name); | |
48 } else { | |
49 return super.get(name); | |
50 } | |
51 } | |
52 | |
53 public Object[] getIds() { | |
54 String[] fieldNames = getFieldNames(); | |
55 Object[] superFields = super.getIds(); | |
56 Object[] res = new Object[fieldNames.length + superFields.length]; | |
57 System.arraycopy(fieldNames, 0, res, 0, fieldNames.length); | |
58 System.arraycopy(superFields, 0, res, fieldNames.length, superFields.length); | |
59 return res; | |
60 } | |
61 | |
62 public boolean has(String name) { | |
63 if (hasField(name)) { | |
64 return true; | |
65 } else { | |
66 return super.has(name); | |
67 } | |
68 } | |
69 | |
70 public void put(String name, Object value) { | |
71 if (! hasField(name)) { | |
72 super.put(name, value); | |
73 } | |
74 } | |
75 | |
76 protected Object getFieldValue(String name) { | |
77 try { | |
78 return type.getInstanceFieldValue(name, getInstance()); | |
79 } catch (NoSuchFieldException exp) { | |
80 return UNDEFINED; | |
81 } | |
82 } | |
83 | |
84 protected String[] getFieldNames() { | |
85 return type.getInstanceFieldNames(); | |
86 } | |
87 | |
88 protected boolean hasField(String name) { | |
89 return type.hasInstanceField(name); | |
90 } | |
91 | |
92 protected final JSJavaInstanceKlass type; | |
93 } |