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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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128
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28 import jp.ac.u_ryukyu.ie.cr.tatsuki.jungle.store.index.DefaultIndexEditor;
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29 import jp.ac.u_ryukyu.ie.cr.tatsuki.jungle.store.index.DeleteChildIndexEditor;
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118
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30 import jp.ac.u_ryukyu.ie.cr.tatsuki.jungle.store.index.DeleteIndexEditor;
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31 import jp.ac.u_ryukyu.ie.cr.tatsuki.jungle.store.index.IndexEditor;
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32 import jp.ac.u_ryukyu.ie.cr.tatsuki.jungle.store.index.PutIndexEditor;
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33
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34 public class IndexJungleTreeEditor implements JungleTreeEditor
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35 {
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36 private final TransactionManager txManager;
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37 private final TreeNode root;
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38 private final TreeEditor editor;
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39 private final TreeOperationLog log;
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40 private TreeMap<String, TreeMap<String, List<Pair<TreeNode, NodePath>>>> index;
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41
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42 // public DefaultJungleTreeEditor(TreeNode root)
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43 // {
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44 // this(root,txManager,_editor,new DefaultTreeOperationLog());
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45 // }
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46
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47 public TreeMap<String, TreeMap<String, List<Pair<TreeNode, NodePath>>>> getIndex() {
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48 return index;
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49 }
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50
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51 public void setIndex(
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52 TreeMap<String, TreeMap<String, List<Pair<TreeNode, NodePath>>>> index) {
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53 this.index = index;
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54 }
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55
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56 public IndexJungleTreeEditor(TreeNode _root,TransactionManager _txManager,TreeEditor _editor, TreeMap<String, TreeMap<String, List<Pair<TreeNode, NodePath>>>> index)
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57 {
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58 this(_root,_txManager,_editor,new DefaultTreeOperationLog(), index);
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59 }
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60
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61 public IndexJungleTreeEditor(TreeNode newNode,TransactionManager _txManager,TreeEditor _editor,TreeOperationLog _log, TreeMap<String, TreeMap<String, List<Pair<TreeNode, NodePath>>>> index)
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62 {
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63 this.root = newNode;
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64 this.txManager = _txManager;
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65 this.editor = _editor;
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66 this.log = _log;
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67 this.index = index;
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68 }
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69
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70 private Either<Error,IndexJungleTreeEditor> _edit(final NodePath _path,NodeEditor _e, IndexEditor indexEditor)
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71 {
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72 Either<Error,LoggingNode> either = editor.edit(root,_path,_e);
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73 if(either.isA()){
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74 return DefaultEither.newA(either.a());
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75 }
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76
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77 LoggingNode newLogging = either.b();
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78 OperationLog newLog = newLogging.getOperationLog();
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79 TreeNode newNode = newLogging.getWrap();
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80
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81 IterableConverter.Converter<TreeOperation,NodeOperation> converter = new IterableConverter.Converter<TreeOperation,NodeOperation>(){
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82 @Override
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83 public TreeOperation conv(NodeOperation _b){
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84 return new DefaultTreeOperation(_path,_b);
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85 }
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86 };
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87
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88 Iterable<TreeOperation> iterable = new IterableConverter<TreeOperation,NodeOperation>(newLog,converter);
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89 DefaultTreeOperationLog treeOperationLog = new DefaultTreeOperationLog(iterable,newLog.length());
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90 TreeOperationLog newTreeOpLog = log.append(treeOperationLog);
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91
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92 IndexJungleTreeEditor newEditor = new IndexJungleTreeEditor(newNode,txManager,editor,newTreeOpLog, index);
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93 return DefaultEither.newB(newEditor);
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94 }
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95
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96 @Override
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97 public Either<Error,JungleTreeEditor> addNewChildAt(NodePath _path, int _pos)
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98 {
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99 AppendChildAt appendChildAt = new AppendChildAt(_pos);
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100 DefaultIndexEditor indexEditor = new DefaultIndexEditor();
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101 Either<Error,IndexJungleTreeEditor> either = _edit(_path,appendChildAt,indexEditor);
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102 Either<Error,JungleTreeEditor> newEither = DefaultEither.newB(either.b());
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103 return newEither;
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104 }
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105
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106 @Override
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107 public Either<Error,JungleTreeEditor> deleteChildAt(NodePath _path, int _pos)
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108 {
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109 DeleteChildAt deleteChildAt = new DeleteChildAt(_pos);
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110 DeleteChildIndexEditor indexEditor = new DeleteChildIndexEditor();
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111 Either<Error,IndexJungleTreeEditor> either = _edit(_path,deleteChildAt, indexEditor);
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112 JungleTreeEditor editor = either.b();
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113 Either<Error,JungleTreeEditor> newEither = DefaultEither.newB(editor);
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114 return newEither;
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115 }
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116
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117 @Override
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118 public Either<Error,JungleTreeEditor> putAttribute(NodePath _path,String _key,ByteBuffer _value)
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119 {
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120 PutAttribute putAttribute = new PutAttribute(_key,_value);
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121 PutIndexEditor indexEditor = new PutIndexEditor(_key,_value,_path);
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122 Either<Error,IndexJungleTreeEditor> either = _edit(_path,putAttribute,indexEditor);
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123 JungleTreeEditor editor = either.b();
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124 Either<Error,JungleTreeEditor> newEither = DefaultEither.newB(editor);
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125 return newEither;
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126 }
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127
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128 @Override
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129 public Either<Error,JungleTreeEditor> deleteAttribute(NodePath _path, String _key)
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130 {
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131 DeleteAttribute deleteAttribute = new DeleteAttribute(_key);
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132 DeleteIndexEditor indexEditor = new DeleteIndexEditor();
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133 Either<Error,IndexJungleTreeEditor> either = _edit(_path,deleteAttribute,indexEditor);
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134 Either<Error,JungleTreeEditor> newEither = DefaultEither.newB(either.b());
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135 return newEither;
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136 }
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137
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138 @Override
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139 public Either<Error,JungleTreeEditor> edit(NodePath _path,NodeEditor _editor)
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140 {
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141 DefaultIndexEditor indexEditor = new DefaultIndexEditor();
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142 Either<Error,IndexJungleTreeEditor> either = _edit(_path,_editor,indexEditor);
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143 JungleTreeEditor editor = either.b();
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144 Either<Error,JungleTreeEditor> newEither = DefaultEither.newB(editor);
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145 return newEither;
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146 }
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147
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148 @Override
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149 public Either<Error,JungleTreeEditor> success()
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150 {
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151 Either<Error,TransactionManager> either = txManager.commit(root,log,index);
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152 if(either.isA()){
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153 return DefaultEither.newA(either.a());
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154 }
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155
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156 TransactionManager newTxManager = either.b();
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157 JungleTreeEditor newTreeEditor = new DefaultJungleTreeEditor(root,newTxManager,editor);
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158
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159 return DefaultEither.newB(newTreeEditor);
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160 }
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161
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162 @Override
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163 public String getID()
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164 {
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165 return txManager.getUUID();
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166 }
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167
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168 @Override
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169 public String getRevision()
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170 {
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171 return Long.toString(txManager.getRevision());
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172 }
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173
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174 @Override
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175 public TreeNode getRoot()
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176 {
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177 return root;
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178 }
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127
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179
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180 } |
