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annotate graal/com.oracle.jvmci.options/src/com/oracle/jvmci/options/OptionDescriptor.java @ 21762:1025d6dc645a
Merge.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sat, 06 Jun 2015 15:13:09 +0200 |
parents | b1530a6cce8c |
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1 /* |
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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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. |
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22 */ |
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23 package com.oracle.jvmci.options; |
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24 |
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25 /** |
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26 * Describes the attributes of a static field {@linkplain Option option} and provides access to its |
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27 * {@linkplain OptionValue value}. |
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28 */ |
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29 public class OptionDescriptor { |
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30 |
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31 protected final String name; |
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32 protected final Class<?> type; |
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33 protected final String help; |
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34 protected final OptionValue<?> option; |
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35 protected final Class<?> declaringClass; |
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36 protected final String fieldName; |
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37 |
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38 public OptionDescriptor(String name, Class<?> type, String help, Class<?> declaringClass, String fieldName, OptionValue<?> option) { |
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39 this.name = name; |
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40 this.type = type; |
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41 this.help = help; |
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42 this.option = option; |
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43 this.declaringClass = declaringClass; |
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44 this.fieldName = fieldName; |
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45 assert !type.isPrimitive() : "must used boxed type instead of " + type; |
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46 option.setDescriptor(this); |
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47 } |
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48 |
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49 /** |
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50 * Gets the type of values stored in the option. This will be the boxed type for a primitive |
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51 * option. |
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52 */ |
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53 public Class<?> getType() { |
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54 return type; |
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55 } |
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56 |
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57 /** |
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58 * Gets a descriptive help message for the option. |
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59 */ |
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60 public String getHelp() { |
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61 return help; |
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62 } |
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63 |
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64 /** |
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65 * Gets the name of the option. It's up to the client of this object how to use the name to get |
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66 * a user specified value for the option from the environment. |
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67 */ |
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68 public String getName() { |
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69 return name; |
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70 } |
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71 |
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72 /** |
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73 * Gets the boxed option value. |
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74 */ |
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75 public OptionValue<?> getOptionValue() { |
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76 return option; |
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77 } |
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78 |
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79 public Class<?> getDeclaringClass() { |
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80 return declaringClass; |
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81 } |
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82 |
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83 public String getFieldName() { |
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84 return fieldName; |
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85 } |
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86 |
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87 /** |
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88 * Gets a description of the location where this option is stored. |
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89 */ |
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90 public String getLocation() { |
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91 return getDeclaringClass().getName() + "." + getFieldName(); |
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92 } |
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93 } |