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annotate graal/com.oracle.truffle.object/src/com/oracle/truffle/object/Transition.java @ 18621:b3b241bbbbdb

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OM: rename transitions
author Andreas Woess <andreas.woess@jku.at>
date Thu, 04 Dec 2014 13:35:36 +0100
parents 2c3666f44855
children 073e7f314516
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1 /*
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2 * Copyright (c) 2013, 2014, 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.truffle.object;
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24
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25 import java.util.*;
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26
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27 import com.oracle.truffle.api.object.*;
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28
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29 public abstract class Transition {
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30 @Override
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31 public int hashCode() {
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32 int result = 1;
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33 return result;
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34 }
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35
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36 @Override
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37 public boolean equals(Object obj) {
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38 if (this == obj) {
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39 return true;
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40 }
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41 if (obj == null) {
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42 return false;
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43 }
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44 if (getClass() != obj.getClass()) {
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45 return false;
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46 }
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47 return true;
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48 }
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49
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50 public abstract static class PropertyTransition extends Transition {
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51 private final Property property;
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52
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53 public PropertyTransition(Property property) {
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54 this.property = property;
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55 }
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56
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57 @Override
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58 public int hashCode() {
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59 final int prime = 31;
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60 int result = super.hashCode();
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61 result = prime * result + ((property == null) ? 0 : property.hashCode());
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62 return result;
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63 }
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64
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65 @Override
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66 public boolean equals(Object obj) {
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67 if (!super.equals(obj)) {
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68 return false;
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69 }
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70 PropertyTransition other = (PropertyTransition) obj;
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71 if (!Objects.equals(property, other.property)) {
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72 return false;
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73 }
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74 return true;
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75 }
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76
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77 public Property getProperty() {
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78 return property;
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79 }
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80 }
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81
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82 public static final class AddPropertyTransition extends PropertyTransition {
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83 public AddPropertyTransition(Property property) {
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84 super(property);
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85 }
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86 }
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87
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88 public static final class RemovePropertyTransition extends PropertyTransition {
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89 public RemovePropertyTransition(Property property) {
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90 super(property);
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91 }
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92 }
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93
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94 public static final class ObjectTypeTransition extends Transition {
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95 private final ObjectType objectType;
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96
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97 public ObjectTypeTransition(ObjectType objectType) {
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98 this.objectType = objectType;
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99 }
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100
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101 public ObjectType getObjectType() {
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102 return objectType;
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103 }
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104
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105 @Override
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106 public boolean equals(Object other) {
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107 return super.equals(other) && Objects.equals(objectType, ((ObjectTypeTransition) other).objectType);
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108 }
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109
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110 @Override
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111 public int hashCode() {
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112 final int prime = 31;
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113 int result = super.hashCode();
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114 result = prime * result + ((objectType == null) ? 0 : objectType.hashCode());
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115 return result;
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116 }
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117 }
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118
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119 public static final class PropertyTypeTransition extends PropertyTransition {
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120 private final Property after;
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121
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122 public PropertyTypeTransition(Property before, Property after) {
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123 super(before);
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124 this.after = after;
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125 }
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126
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127 public Property getPropertyBefore() {
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128 return this.getProperty();
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129 }
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130
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131 public Property getPropertyAfter() {
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132 return after;
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133 }
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134 }
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135
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136 public static final class ReservePrimitiveArrayTransition extends Transition {
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137 public ReservePrimitiveArrayTransition() {
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138 }
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139 }
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140
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141 public String getShortName() {
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142 return this.getClass().getSimpleName().replaceFirst("Transition$", "").toLowerCase();
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
143 }
2c3666f44855 Truffle: initial commit of object API implementation
Andreas Woess <andreas.woess@jku.at>
parents:
diff changeset
144 }