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annotate agent/src/share/classes/sun/jvm/hotspot/utilities/soql/ScriptObject.java @ 14909:4ca6dc0799b6
Backout jdk9 merge
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Tue, 01 Apr 2014 13:57:07 +0200 |
parents | c18cbe5936b8 |
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0 | 1 /* |
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2 * Copyright (c) 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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6941466: Oracle rebranding changes for Hotspot repositories
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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 package sun.jvm.hotspot.utilities.soql; | |
25 | |
26 /** | |
27 * Any Java object supporting this interface can be | |
28 * accessed from scripts with "simpler" access pattern. | |
29 * For example, a script engine may support natural | |
30 * property/field access syntax for the properties exposed | |
31 * via this interface. We use this interface so that we | |
32 * can dynamically add/delete/modify fields exposed to | |
33 * scripts. If we stick to JavaBean pattern, then property | |
34 * set is fixed. | |
35 */ | |
36 public interface ScriptObject { | |
37 // special sentinel to denote no-result -- so that | |
38 // null could be used as proper value | |
39 public static final Object UNDEFINED = new Object(); | |
40 // empty object array | |
41 public static final Object[] EMPTY_ARRAY = new Object[0]; | |
42 | |
43 /* | |
44 * Returns all property names supported by this object. | |
45 * Property "name" is either a String or an Integer". | |
46 */ | |
47 public Object[] getIds(); | |
48 | |
49 /** | |
50 * Get the value of the named property. | |
51 */ | |
52 public Object get(String name); | |
53 | |
54 /** | |
55 * Get the value of the "indexed" property. | |
56 * Returns UNDEFINED if the property does not exist. | |
57 */ | |
58 public Object get(int index); | |
59 | |
60 /** | |
61 * Set the value of the named property. | |
62 */ | |
63 public void put(String name, Object value); | |
64 | |
65 /** | |
66 * Set the value of the indexed property. | |
67 */ | |
68 public void put(int index, Object value); | |
69 | |
70 /** | |
71 * Returns whether the named property exists or not. | |
72 */ | |
73 public boolean has(String name); | |
74 | |
75 /** | |
76 * Returns whether the indexed property exists or not. | |
77 */ | |
78 public boolean has(int index); | |
79 | |
80 /** | |
81 * Deletes the named property. Returns true on success. | |
82 */ | |
83 public boolean delete(String name); | |
84 | |
85 /** | |
86 * Deletes the indexed property. Returns true on success. | |
87 */ | |
88 public boolean delete(int index); | |
89 } |