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1 package jp.ac.u_ryukyu.ie.cr.shoshi.jungle.transaction;
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2
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3 import java.nio.ByteBuffer;
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4
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5 import fj.data.List;
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6 import fj.data.TreeMap;
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7 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.JungleTreeEditor;
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8 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.NodePath;
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9 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.TreeEditor;
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10 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.TreeNode;
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11 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.logger.DefaultTreeOperationLog;
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12 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.logger.LoggingNode;
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13 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.logger.OperationLog;
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14 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.logger.TreeOperationLog;
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15 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.DefaultTreeOperation;
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16 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.NodeOperation;
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17 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.TreeOperation;
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18 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.AppendChildAt;
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19 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.DeleteAttribute;
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20 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.DeleteChildAt;
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21 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.NodeEditor;
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22 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.PutAttribute;
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23 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.DefaultEither;
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24 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Either;
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25 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Error;
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26 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.IterableConverter;
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27 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Pair;
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28 import jp.ac.u_ryukyu.ie.cr.tatsuki.jungle.store.index.DeleteIndexEditor;
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29 import jp.ac.u_ryukyu.ie.cr.tatsuki.jungle.store.index.IndexEditor;
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30 import jp.ac.u_ryukyu.ie.cr.tatsuki.jungle.store.index.PutIndexEditor;
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31
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32 public class IndexJungleTreeEditor implements JungleTreeEditor
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33 {
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34 private final TransactionManager txManager;
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35 private final TreeNode root;
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36 private final TreeEditor editor;
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37 private final TreeOperationLog log;
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38 private TreeMap<String, TreeMap<String, List<Pair<TreeNode, NodePath>>>> index;
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39
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40 // public DefaultJungleTreeEditor(TreeNode root)
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41 // {
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42 // this(root,txManager,_editor,new DefaultTreeOperationLog());
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43 // }
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44
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45 public TreeMap<String, TreeMap<String, List<Pair<TreeNode, NodePath>>>> getIndex() {
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46 return index;
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47 }
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48
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49 public void setIndex(
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50 TreeMap<String, TreeMap<String, List<Pair<TreeNode, NodePath>>>> index) {
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51 this.index = index;
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52 }
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53
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54 public IndexJungleTreeEditor(TreeNode _root,TransactionManager _txManager,TreeEditor _editor, TreeMap<String, TreeMap<String, List<Pair<TreeNode, NodePath>>>> index)
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55 {
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56 this(_root,_txManager,_editor,new DefaultTreeOperationLog(), index);
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57 }
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58
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59 public IndexJungleTreeEditor(TreeNode newNode,TransactionManager _txManager,TreeEditor _editor,TreeOperationLog _log, TreeMap<String, TreeMap<String, List<Pair<TreeNode, NodePath>>>> index)
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60 {
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61 this.root = newNode;
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62 this.txManager = _txManager;
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63 this.editor = _editor;
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64 this.log = _log;
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65 this.index = index;
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66 }
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67
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68 private Either<Error,IndexJungleTreeEditor> _edit(final NodePath _path,NodeEditor _e)
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69 {
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70 Either<Error,LoggingNode> either = editor.edit(root,_path,_e);
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71 if(either.isA()){
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72 return DefaultEither.newA(either.a());
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73 }
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74
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75 LoggingNode newLogging = either.b();
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76 OperationLog newLog = newLogging.getOperationLog();
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77 TreeNode newNode = newLogging.getWrap();
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78
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79 IterableConverter.Converter<TreeOperation,NodeOperation> converter = new IterableConverter.Converter<TreeOperation,NodeOperation>(){
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80 @Override
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81 public TreeOperation conv(NodeOperation _b){
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82 return new DefaultTreeOperation(_path,_b);
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83 }
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84 };
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85
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86 Iterable<TreeOperation> iterable = new IterableConverter<TreeOperation,NodeOperation>(newLog,converter);
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87 DefaultTreeOperationLog treeOperationLog = new DefaultTreeOperationLog(iterable,newLog.length());
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88 TreeOperationLog newTreeOpLog = log.append(treeOperationLog);
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89
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90 IndexJungleTreeEditor newEditor = new IndexJungleTreeEditor(newNode,txManager,editor,newTreeOpLog, index);
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91 return DefaultEither.newB(newEditor);
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92 }
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93
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94 @Override
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95 public Either<Error,JungleTreeEditor> addNewChildAt(NodePath _path, int _pos)
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96 {
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97 AppendChildAt appendChildAt = new AppendChildAt(_pos);
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98 Either<Error,IndexJungleTreeEditor> either = _edit(_path,appendChildAt);
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99 JungleTreeEditor editor = either.b();
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100 Either<Error,JungleTreeEditor> newEither = DefaultEither.newB(editor);
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101 return newEither;
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102 }
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103
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104 @Override
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105 public Either<Error,JungleTreeEditor> deleteChildAt(NodePath _path, int _pos)
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106 {
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107 DeleteChildAt deleteChildAt = new DeleteChildAt(_pos);
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108 Either<Error,IndexJungleTreeEditor> either = _edit(_path,deleteChildAt);
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109 JungleTreeEditor editor = either.b();
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110 Either<Error,JungleTreeEditor> newEither = DefaultEither.newB(editor);
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111 return newEither;
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112 }
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113
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114 @Override
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115 public Either<Error,JungleTreeEditor> putAttribute(NodePath _path,String _key,ByteBuffer _value)
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116 {
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117 PutAttribute putAttribute = new PutAttribute(_key,_value);
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118 Either<Error,IndexJungleTreeEditor> either = _edit(_path,putAttribute);
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119 PutIndexEditor indexEditor = new PutIndexEditor();
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120 Either<Error,JungleTreeEditor> newEither = indexEditor.edit(either.b());
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121 return newEither;
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122 }
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123
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124 @Override
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125 public Either<Error,JungleTreeEditor> deleteAttribute(NodePath _path, String _key)
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126 {
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127 DeleteAttribute deleteAttribute = new DeleteAttribute(_key);
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128 Either<Error,IndexJungleTreeEditor> either = _edit(_path,deleteAttribute);
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129 DeleteIndexEditor indexEditor = new DeleteIndexEditor();
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130 Either<Error,JungleTreeEditor> newEither = indexEditor.edit(either.b());
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131 return newEither;
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132 }
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133
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134 @Override
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135 public Either<Error,JungleTreeEditor> edit(NodePath _path,NodeEditor _editor)
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136 {
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137 Either<Error,IndexJungleTreeEditor> either = _edit(_path,_editor);
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138 JungleTreeEditor editor = either.b();
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139 Either<Error,JungleTreeEditor> newEither = DefaultEither.newB(editor);
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140 return newEither;
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141 }
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142
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143 @Override
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144 public Either<Error,JungleTreeEditor> success()
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145 {
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126
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146 Either<Error,TransactionManager> either = txManager.commit(root,log,index);
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118
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147 if(either.isA()){
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148 return DefaultEither.newA(either.a());
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149 }
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150
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151 TransactionManager newTxManager = either.b();
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152 JungleTreeEditor newTreeEditor = new DefaultJungleTreeEditor(root,newTxManager,editor);
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153
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154 return DefaultEither.newB(newTreeEditor);
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155 }
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156
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157 @Override
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158 public String getID()
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159 {
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160 return txManager.getUUID();
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161 }
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162
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163 @Override
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164 public String getRevision()
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165 {
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166 return Long.toString(txManager.getRevision());
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167 }
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168
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169 @Override
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170 public TreeNode getRoot()
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171 {
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172 return root;
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173 }
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127
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174
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175 } |
