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1 using UnityEngine;
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2 using System.Collections.Generic;
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3
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4 namespace JungleDB {
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5 public class DefaultJungleTreeEditor : JungleTreeEditor {
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6
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7 private TransactionManager txManager;
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8 private TreeNode root;
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9 private TreeEditor editor;
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10 private TreeOperationLog log;
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28
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11 private NodePath prevPath;
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20
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12
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30
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13 public void SetPrevPath (NodePath path) {
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14 this.prevPath = path;
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15 }
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16
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17 public DefaultJungleTreeEditor(TreeNode _root,TransactionManager _txManager,TreeEditor _editor)
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18 : this(_root, _txManager, _editor, new DefaultTreeOperationLog())
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19 {
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20 }
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21
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22
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23
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24 public DefaultJungleTreeEditor(TreeNode newNode, TransactionManager txManager,TreeEditor editor,TreeOperationLog log)
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20
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25 {
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26 this.root = newNode;
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27 this.txManager = txManager;
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28 this.editor = editor;
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29 this.log = log;
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30 }
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31
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32
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33
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34 private Either<Error,JungleTreeEditor> _edit(NodePath _path, NodeEditor _e)
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35 {
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36 Either<Error, LoggingNode> either = editor.edit (root, _path, _e);
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30
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37 if (either.isA ())
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38 return DefaultEither<Error, JungleTreeEditor>.newA (either.a ());
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39
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40 LoggingNode newLogging = either.b ();
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41 OperationLog newLog = newLogging.getOperationLog ();
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42 TreeNode newNode = newLogging.getWrap ();
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43
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44 IterableConverter<TreeOperation,NodeOperation>.Converter<TreeOperation, NodeOperation> converter = new InnerConverter (_path);
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45
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46
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47 IEnumerable<TreeOperation> iterable = new IterableConverter<TreeOperation, NodeOperation> (newLog, converter);
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48 DefaultTreeOperationLog treeOperationLog = new DefaultTreeOperationLog (iterable, newLog.length ());
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49 TreeOperationLog newTreeOpLog = log.append (treeOperationLog);
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50
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51 JungleTreeEditor newEditor = new DefaultJungleTreeEditor (newNode, txManager, editor, newTreeOpLog);
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52 newEditor.SetPrevPath (this.prevPath);
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53 return DefaultEither<Error, JungleTreeEditor>.newB (newEditor);
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54
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55 }
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56
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57
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58 public Either<Error, JungleTreeEditor> replaceNewRootNode() {
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59 replaceRootNodeAt appendChildAt = new replaceRootNodeAt ();
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60 return _edit (new DefaultNodePath(), appendChildAt);
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61 }
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62
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63 public Either<Error, JungleTreeEditor> addNewChildAt(NodePath _path, int _pos) {
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64 prevPath = _path.add (_pos);
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65 AppendChildAt appendChildAt = new AppendChildAt (_pos);
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66 return _edit (_path, appendChildAt);
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67 }
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68
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69 public Either<Error,JungleTreeEditor> deleteChildAt(NodePath _path, int _pos) {
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70 DeleteChildAt deleteChildAt = new DeleteChildAt(_pos);
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71 return _edit(_path,deleteChildAt);
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72 }
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29
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73
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74 public Either<Error, JungleTreeEditor> putAttribute(NodePath _path, string _key, byte[] _value) {
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75 PutAttribute putAttribute = new PutAttribute (_key, _value);
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76 return _edit (_path, putAttribute);
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77 }
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78
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29
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79 /// <summary>
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80 /// When use path, before create path.
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81 /// * Problem -> copy to path from root everytime.
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82 /// </summary>
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83 /// <returns>The attribute.</returns>
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84 /// <param name="_key">Key.</param>
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85 /// <param name="_value">Value.</param>
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86 public Either<Error, JungleTreeEditor> putAttribute(string _key, byte[] _value) {
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87 PutAttribute putAttribute = new PutAttribute (_key, _value);
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88 return _edit (prevPath, putAttribute);
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89 }
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90
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91 public Either<Error, JungleTreeEditor> deleteAttribute(NodePath _path, string _key) {
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92 DeleteAttribute deleteAttribute = new DeleteAttribute (_key);
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93 return _edit (_path, deleteAttribute);
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94 }
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95
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96 public Either<Error,JungleTreeEditor> edit(NodePath _path, NodeEditor _editor) {
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97 return _edit(_path,_editor);
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98 }
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28
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99
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100 public Either<Error,JungleTreeEditor> commit() {
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101 Either<Error,TransactionManager> either = this.txManager.commit(this.root, this.log);
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102 // このlogをサーバにpushする？
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103 if(either.isA()){
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104 return DefaultEither<Error, JungleTreeEditor>.newA(either.a());
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105 }
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106
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107 TransactionManager newTxManager = either.b();
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108 JungleTreeEditor newTreeEditor = new DefaultJungleTreeEditor(this.root, newTxManager, this.editor);
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109
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110 return DefaultEither<Error, JungleTreeEditor>.newB(newTreeEditor);
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111 }
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112
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113 public Either<Error, JungleTreeEditor> flushSuccess() {
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114 return commit();
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115 }
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116
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117 public class InnerConverter : IterableConverter<TreeOperation,NodeOperation>.Converter<TreeOperation,NodeOperation>{
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118
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119 NodePath path;
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120
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121 public InnerConverter(NodePath _path) {
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122 path = _path;
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123 }
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124
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125
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126 public TreeOperation conv(NodeOperation _b){
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127 return new DefaultTreeOperation(path,_b);
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128 }
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129 }
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130 }
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131 }
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