Mercurial > hg > truffle
comparison graal/com.oracle.jvmci.options/src/com/oracle/jvmci/options/OptionDescriptor.java @ 21554:b1530a6cce8c
renamed com.oracle.graal.[debug|options|hotspotvmconfig]* modules to com.oracle.jvmci.[debug|options|hotspotvmconfig]* modules (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 26 May 2015 23:21:15 +0200 |
parents | graal/com.oracle.graal.options/src/com/oracle/graal/options/OptionDescriptor.java@e589c26c2eb8 |
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21553:0910a9497b02 | 21554:b1530a6cce8c |
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1 /* | |
2 * Copyright (c) 2013, 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. | |
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 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 */ | |
23 package com.oracle.jvmci.options; | |
24 | |
25 /** | |
26 * Describes the attributes of a static field {@linkplain Option option} and provides access to its | |
27 * {@linkplain OptionValue value}. | |
28 */ | |
29 public class OptionDescriptor { | |
30 | |
31 protected final String name; | |
32 protected final Class<?> type; | |
33 protected final String help; | |
34 protected final OptionValue<?> option; | |
35 protected final Class<?> declaringClass; | |
36 protected final String fieldName; | |
37 | |
38 public OptionDescriptor(String name, Class<?> type, String help, Class<?> declaringClass, String fieldName, OptionValue<?> option) { | |
39 this.name = name; | |
40 this.type = type; | |
41 this.help = help; | |
42 this.option = option; | |
43 this.declaringClass = declaringClass; | |
44 this.fieldName = fieldName; | |
45 assert !type.isPrimitive() : "must used boxed type instead of " + type; | |
46 option.setDescriptor(this); | |
47 } | |
48 | |
49 /** | |
50 * Gets the type of values stored in the option. This will be the boxed type for a primitive | |
51 * option. | |
52 */ | |
53 public Class<?> getType() { | |
54 return type; | |
55 } | |
56 | |
57 /** | |
58 * Gets a descriptive help message for the option. | |
59 */ | |
60 public String getHelp() { | |
61 return help; | |
62 } | |
63 | |
64 /** | |
65 * Gets the name of the option. It's up to the client of this object how to use the name to get | |
66 * a user specified value for the option from the environment. | |
67 */ | |
68 public String getName() { | |
69 return name; | |
70 } | |
71 | |
72 /** | |
73 * Gets the boxed option value. | |
74 */ | |
75 public OptionValue<?> getOptionValue() { | |
76 return option; | |
77 } | |
78 | |
79 public Class<?> getDeclaringClass() { | |
80 return declaringClass; | |
81 } | |
82 | |
83 public String getFieldName() { | |
84 return fieldName; | |
85 } | |
86 | |
87 /** | |
88 * Gets a description of the location where this option is stored. | |
89 */ | |
90 public String getLocation() { | |
91 return getDeclaringClass().getName() + "." + getFieldName(); | |
92 } | |
93 } |