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annotate graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/SpecializationGroupingTest.java @ 11195:4f52b08bd2f9

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Truffle-DSL: Implemented specialization grouping for generic cases.
author Christian Humer <christian.humer@gmail.com>
date Thu, 01 Aug 2013 20:53:54 +0200
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children b010fd3de42d
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11195
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1 /*
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2 * Copyright (c) 2012, 2012, 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.api.dsl.test;
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24
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25 import org.junit.*;
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26
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27 import com.oracle.truffle.api.*;
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28 import com.oracle.truffle.api.dsl.*;
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29 import com.oracle.truffle.api.dsl.test.SpecializationGroupingTestFactory.TestGroupingFactory;
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30 import com.oracle.truffle.api.dsl.test.TypeSystemTest.SimpleTypes;
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31 import com.oracle.truffle.api.dsl.test.TypeSystemTest.TestRootNode;
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32 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
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33 import com.oracle.truffle.api.nodes.*;
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34
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35 /**
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36 * Tests execution counts of guards. While we do not make guarantees for guard invocation except for
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37 * their execution order our implementation reduces the calls to guards as much as possible.
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38 */
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39 public class SpecializationGroupingTest {
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40
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41 @Test
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42 public void testGrouping() {
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43 MockAssumption a1 = new MockAssumption(true);
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44 MockAssumption a2 = new MockAssumption(false);
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45 MockAssumption a3 = new MockAssumption(true);
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46
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47 TestRootNode<TestGrouping> root = TestHelper.createRoot(TestGroupingFactory.getInstance(), a1, a2, a3);
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48
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49 SimpleTypes.intCast = 0;
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50 SimpleTypes.intCheck = 0;
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51 TestGrouping.true1 = 0;
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52 TestGrouping.false1 = 0;
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53 TestGrouping.true2 = 0;
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54 TestGrouping.false2 = 0;
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55 TestGrouping.true3 = 0;
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56
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57 Assert.assertEquals(42, TestHelper.executeWith(root, 21, 21));
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58 Assert.assertEquals(1, TestGrouping.true1);
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59 Assert.assertEquals(1, TestGrouping.false1);
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60 Assert.assertEquals(1, TestGrouping.true2);
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61 Assert.assertEquals(1, TestGrouping.false2);
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62 Assert.assertEquals(1, TestGrouping.true3);
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63 Assert.assertEquals(2, SimpleTypes.intCheck);
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64 Assert.assertEquals(2, SimpleTypes.intCast);
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65 Assert.assertEquals(1, a1.checked);
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66 Assert.assertEquals(1, a2.checked);
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67 Assert.assertEquals(1, a3.checked);
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68
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69 Assert.assertEquals(42, TestHelper.executeWith(root, 21, 21));
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70 Assert.assertEquals(2, TestGrouping.true1);
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71 Assert.assertEquals(1, TestGrouping.false1);
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72 Assert.assertEquals(2, TestGrouping.true2);
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73 Assert.assertEquals(2, TestGrouping.false2);
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74 Assert.assertEquals(2, TestGrouping.true3);
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75
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76 Assert.assertEquals(2, a1.checked);
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77 Assert.assertEquals(1, a2.checked);
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78 Assert.assertEquals(2, a3.checked);
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79 Assert.assertEquals(2, SimpleTypes.intCheck);
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80 Assert.assertEquals(2, SimpleTypes.intCast);
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81
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82 }
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83
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84 @SuppressWarnings("unused")
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85 @NodeChildren({@NodeChild, @NodeChild})
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86 @NodeAssumptions({"a1", "a2", "a3"})
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87 public abstract static class TestGrouping extends ValueNode {
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88
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89 private static int true1;
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90 private static int false1;
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91 private static int true2;
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92 private static int false2;
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93 private static int true3;
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94
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95 protected boolean true1(int value) {
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96 true1++;
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97 return true;
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98 }
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99
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100 protected boolean false1(int value, int value2) {
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101 false1++;
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102 return false;
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103 }
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104
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105 protected boolean true2(int value) {
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106 true2++;
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107 return true;
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108 }
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109
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110 protected boolean false2(int value) {
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111 false2++;
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112 return false;
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113 }
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114
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115 protected boolean true3(int value) {
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116 true3++;
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117 return true;
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118 }
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119
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120 @Specialization(order = 1)
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121 public int fail(int value1, String value2) {
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122 throw new AssertionError();
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123 }
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124
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125 @Specialization(order = 2, guards = {"true1", "false1"})
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126 public int fail1(int value1, int value2) {
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127 throw new AssertionError();
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128 }
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129
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130 @Specialization(order = 3, guards = {"true1", "true2"}, assumptions = {"a1", "a2"})
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131 public int fail2(int value1, int value2) {
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132 throw new AssertionError();
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133 }
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134
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135 @Specialization(order = 4, guards = {"true1", "true2"}, assumptions = {"a1", "a3"}, rewriteOn = RuntimeException.class)
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136 public int throwRewrite(int value1, int value2) {
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137 throw new RuntimeException();
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138 }
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139
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140 @Specialization(order = 5, guards = {"true1", "true2", "false2"}, assumptions = {"a1", "a3"})
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141 public int fail4(int value1, int value2) {
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142 throw new AssertionError();
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143 }
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144
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145 @Specialization(order = 6, guards = {"true1", "true2", "!false2", "!true3"}, assumptions = {"a1", "a3"})
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146 public int fail5(int value1, int value2) {
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147 throw new AssertionError();
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148 }
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149
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150 @Specialization(order = 7, guards = {"true1", "true2", "!false2", "true3"}, assumptions = {"a1", "a3"})
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151 public int success(int value1, int value2) {
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152 return value1 + value2;
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153 }
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154
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155 }
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156
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157 private static class MockAssumption implements Assumption {
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158
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159 int checked;
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160
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161 private final boolean valid;
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162
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163 public MockAssumption(boolean valid) {
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164 this.valid = valid;
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165 }
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166
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167 public void check() throws InvalidAssumptionException {
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168 checked++;
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169 if (!valid) {
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170 throw new InvalidAssumptionException();
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171 }
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172 }
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173
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174 public boolean isValid() {
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175 checked++;
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176 return valid;
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177 }
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178
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179 public void invalidate() {
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180 throw new UnsupportedOperationException();
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181 }
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182
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183 public String getName() {
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184 throw new UnsupportedOperationException();
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185 }
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186
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187 }
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188
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189 }