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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.AppendChildAtIndex;
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29 import jp.ac.u_ryukyu.ie.cr.tatsuki.jungle.store.index.DeleteAttributeIndex;
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30 import jp.ac.u_ryukyu.ie.cr.tatsuki.jungle.store.index.DeleteChildAtIndex;
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31 import jp.ac.u_ryukyu.ie.cr.tatsuki.jungle.store.index.Logging;
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32 import jp.ac.u_ryukyu.ie.cr.tatsuki.jungle.store.index.PutAttributeIndex;
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33
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34 public class DefaultJungleIndexTreeEditor extends DefaultJungleTreeEditor
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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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104
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41
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111
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42 public DefaultJungleIndexTreeEditor(TreeNode _root,TransactionManager _txManager,TreeEditor _editor, TreeMap<String, TreeMap<String, List<Pair<TreeNode, NodePath>>>> index)
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104
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43 {
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44 this(_root,_txManager,_editor,new DefaultTreeOperationLog(), index);
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45 }
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46
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111
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47 public DefaultJungleIndexTreeEditor(TreeNode newNode,TransactionManager _txManager,TreeEditor _editor,TreeOperationLog _log, TreeMap<String, TreeMap<String, List<Pair<TreeNode, NodePath>>>> index)
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104
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48 {
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49 super(newNode, _txManager, _editor , _log);
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50 this.root = newNode;
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51 this.txManager = _txManager;
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52 this.editor = _editor;
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53 this.log = _log;
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54 this.index = index;
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55 }
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56
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57 private Either<Error,JungleTreeEditor> _edit(final NodePath _path,NodeEditor _e)
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58 {
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59 //LoggingNodeHook hook = new LoggingNodeHook(_e);
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60 Either<Error,Logging> either = editor.edit(root,_path,_e);
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61 if(either.isA()){
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62 return DefaultEither.newA(either.a());
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63 }
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64
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65 Logging newLogging = either.b();
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66 OperationLog newLog = newLogging.getOperationLog();
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67 TreeNode newNode = newLogging.getWrap();
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68 index = newLogging.getIndex();
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69 IterableConverter.Converter<TreeOperation,NodeOperation> converter = new IterableConverter.Converter<TreeOperation,NodeOperation>(){
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70 @Override
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71 public TreeOperation conv(NodeOperation _b){
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72 return new DefaultTreeOperation(_path,_b);
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73 }
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74 };
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75
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76 Iterable<TreeOperation> iterable = new IterableConverter<TreeOperation,NodeOperation>(newLog,converter);
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77 DefaultTreeOperationLog treeOperationLog = new DefaultTreeOperationLog(iterable,newLog.length());
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78 TreeOperationLog newTreeOpLog = log.append(treeOperationLog);
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79
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80 JungleTreeEditor newEditor = new DefaultJungleIndexTreeEditor(newNode,txManager,editor,newTreeOpLog, index);
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81 return DefaultEither.newB(newEditor);
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82 }
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83
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84 @Override
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85 public Either<Error,JungleTreeEditor> addNewChildAt(NodePath _path, int _pos)
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86 {
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87 AppendChildAtIndex appendChildAt = new AppendChildAtIndex(_pos, index);
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88 return _edit(_path,appendChildAt);
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89 }
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90
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91 @Override
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92 public Either<Error,JungleTreeEditor> deleteChildAt(NodePath _path, int _pos)
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93 {
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94 DeleteChildAtIndex deleteChildAt = new DeleteChildAtIndex(_pos, index);
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95 return _edit(_path,deleteChildAt);
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96 }
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97
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98 @Override
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99 public Either<Error,JungleTreeEditor> putAttribute(NodePath _path,String _key,ByteBuffer _value)
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100 {
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101 PutAttributeIndex putAttribute = new PutAttributeIndex(_key,_value, index);
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102 return _edit(_path,putAttribute);
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103 }
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104
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105 @Override
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106 public Either<Error,JungleTreeEditor> deleteAttribute(NodePath _path, String _key)
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107 {
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108 DeleteAttributeIndex deleteAttribute = new DeleteAttributeIndex(_key, index);
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109 return _edit(_path,deleteAttribute);
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110 }
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111
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112 @Override
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113 public Either<Error,JungleTreeEditor> edit(NodePath _path,NodeEditor _editor)
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114 {
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115 return _edit(_path,_editor);
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116 }
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117
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118 @Override
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119 public Either<Error,JungleTreeEditor> success()
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120 {
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121 Either<Error,TransactionManager> either = txManager.commit(root,log, index);
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122 if(either.isA()){
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123 return DefaultEither.newA(either.a());
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124 }
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125
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126 TransactionManager newTxManager = either.b();
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127 JungleTreeEditor newTreeEditor = new DefaultJungleIndexTreeEditor(root,newTxManager,editor, index);
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128
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129 return DefaultEither.newB(newTreeEditor);
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130 }
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131
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132 }
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