Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/oops/DefaultOopVisitor.java @ 7587:4a916f2ce331
8003985: Support @Contended Annotation - JEP 142
Summary: HotSpot changes to support @Contended annotation.
Reviewed-by: coleenp, kvn, jrose
Contributed-by: Aleksey Shipilev <aleksey.shipilev@oracle.com>
author | jwilhelm |
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date | Mon, 14 Jan 2013 15:17:47 +0100 |
parents | da91efe96a93 |
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0 | 1 /* |
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2 * Copyright (c) 2000, 2012, 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 |
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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.oops; | |
26 | |
27 /** A DefaultOopVisitor implements basic no-op OopVisitor | |
28 functionality except that the setObj() and getObj() methods are | |
29 implemented properly. */ | |
30 | |
31 public class DefaultOopVisitor implements OopVisitor { | |
32 private Oop obj; | |
33 | |
34 public void prologue() {} | |
35 | |
36 // Called after visiting an object | |
37 public void epilogue() {} | |
38 | |
39 public void setObj(Oop obj) { | |
40 this.obj = obj; | |
41 } | |
42 | |
43 public Oop getObj() { | |
44 return obj; | |
45 } | |
46 | |
47 // Callback methods for each field type in an object | |
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48 public void doMetadata(MetadataField field, boolean isVMField) {} |
0 | 49 public void doOop(OopField field, boolean isVMField) {} |
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50 public void doOop(NarrowOopField field, boolean isVMField) {} |
0 | 51 public void doByte(ByteField field, boolean isVMField) {} |
52 public void doChar(CharField field, boolean isVMField) {} | |
53 public void doBoolean(BooleanField field, boolean isVMField) {} | |
54 public void doShort(ShortField field, boolean isVMField) {} | |
55 public void doInt(IntField field, boolean isVMField) {} | |
56 public void doLong(LongField field, boolean isVMField) {} | |
57 public void doFloat(FloatField field, boolean isVMField) {} | |
58 public void doDouble(DoubleField field, boolean isVMField) {} | |
59 public void doCInt(CIntField field, boolean isVMField) {} | |
60 } |