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1 package jungle.test.bbs;
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2
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46
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3 import java.io.IOException;
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4 import java.nio.ByteBuffer;
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5 import java.util.concurrent.atomic.AtomicInteger;
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6
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7 import alice.jungle.core.NetworkDefaultJungle;
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8 import alice.jungle.datasegment.store.operations.DefaultTreeOperationLogContainer;
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9 import alice.jungle.transaction.NetworkDefaultJungleTreeEditor;
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10 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.DefaultJungle;
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11 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.Jungle;
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12 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.JungleTree;
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13 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.JungleTreeEditor;
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14 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.core.Children;
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15 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.core.Node;
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16 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.DefaultNodePath;
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17 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.DefaultTreeEditor;
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18 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.TreeOperation;
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19 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.EditableNode;
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20 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.NodeEditor;
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21 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.traverser.DefaultTraverser;
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22 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.DefaultEither;
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23 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Either;
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24 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Error;
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25 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.IterableConverter;
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26 import jungle.test.bbs.codesegment.NullCodeSegmentForUpdate;
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27
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28 public class NetworkJungleBulletinBoard implements BulletinBoard
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29 {
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30 private JungleManager jm;
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31 private final Jungle jungle;
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32
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33 public NetworkJungleBulletinBoard(String _serverName)
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34 {
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35 Jungle _j = new NetworkDefaultJungle(null,"hoge",new DefaultTreeEditor(new DefaultTraverser()), _serverName);
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36 JungleManager.setJungle(_j);
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37 jungle = JungleManager.getJungle();
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38
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38 jungle.createNewTree("boards");
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39 }
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40
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41 public Iterable<String> getBoards()
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42 {
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43 JungleTree tree = jungle.getTreeByName("boards");
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44 Node node = tree.getRootNode();
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45 Children<Node> chs = node.getChildren();
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46
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47 IterableConverter.Converter<String,Node> converter = new IterableConverter.Converter<String,Node>(){
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48 public String conv(Node _b) {
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49 ByteBuffer e = _b.getAttributes().get("name");
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50 return new String(e.array());
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51 }
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52 };
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53
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54 return new IterableConverter<String,Node>(chs,converter);
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55 }
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56
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57 public void createBoards(final String _name,final String _author,final String _initMessage,final String _editKey)
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58 {
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59 if(null == jungle.createNewTree(_name)){
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60 throw new IllegalStateException();
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61 }
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62
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63 JungleTree tree = jungle.getTreeByName("boards");
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64 JungleTreeEditor editor = tree.getTreeEditor();
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65 DefaultNodePath root = new DefaultNodePath();
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66 Either<Error,JungleTreeEditor> either = editor.addNewChildAt(root,0);
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67 if(either.isA()){
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68 throw new IllegalStateException();
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69 }
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70 editor = either.b();
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71
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72 either = editor.putAttribute(root.add(0),"name",ByteBuffer.wrap(_name.getBytes()));
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73 if(either.isA()){
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74 throw new IllegalStateException();
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75 }
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76 editor = either.b();
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77 Either<Error,JungleTreeEditor> result = editor.success();
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78 if(result.isA()){
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79 throw new IllegalStateException();
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80 }
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81 /* Put DataSegment */
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82 try {
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83 putTreeOperationLog((NetworkDefaultJungleTreeEditor)editor);
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84 } catch (IOException e1) {
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85 e1.printStackTrace();
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86 }
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87
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88 tree = jungle.getTreeByName(_name);
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89 editor = tree.getTreeEditor();
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90 either = editor.addNewChildAt(root,0);
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91 if(either.isA()){
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92 throw new IllegalStateException();
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93 }
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94 editor = either.b();
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95
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96 NodeEditor e = new NodeEditor(){
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97 public <T extends EditableNode<T>> Either<Error, T> edit(T _e){
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98 _e = _e.getAttributes().put("author",ByteBuffer.wrap(_author.getBytes())).b();
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99 _e = _e.getAttributes().put("mes",ByteBuffer.wrap(_initMessage.getBytes())).b();
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100 _e = _e.getAttributes().put("key",ByteBuffer.wrap(_editKey.getBytes())).b();
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101 return DefaultEither.newB(_e);
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102 }
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103 };
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104
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105 either = editor.edit(root.add(0),e);
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106 if(either.isA()){
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107 throw new IllegalStateException();
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108 }
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109 editor = either.b();
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110 editor.success();
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111 /* Put DataSegment */
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112 try {
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113 putTreeOperationLog((NetworkDefaultJungleTreeEditor)editor);
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114 } catch (IOException e1) {
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115 e1.printStackTrace();
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116 }
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117
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118 }
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119
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120 public void createBoardMessage(final String _board,final String _author,final String _message,final String _editKey)
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121 {
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122 JungleTree tree = jungle.getTreeByName(_board);
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123 if(tree == null){
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124 throw new IllegalStateException();
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125 }
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126
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127 JungleTreeEditor editor;
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128 Either<Error, JungleTreeEditor> either;
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129 do{
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130 Node node = tree.getRootNode();
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131 int size = node.getChildren().size();
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132 DefaultNodePath path = new DefaultNodePath();
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133
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134 editor = tree.getTreeEditor();
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135 either = editor.addNewChildAt(path,size);
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136 if(either.isA()){
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137 throw new IllegalStateException();
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138 }
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139 editor = either.b();
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140
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141 NodeEditor e = new NodeEditor(){
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142 public <T extends EditableNode<T>> Either<Error, T> edit(T _e){
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143 _e = _e.getAttributes().put("author",ByteBuffer.wrap(_author.getBytes())).b();
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144 _e = _e.getAttributes().put("mes",ByteBuffer.wrap(_message.getBytes())).b();
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145 _e = _e.getAttributes().put("key",ByteBuffer.wrap(_editKey.getBytes())).b();
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146 return DefaultEither.newB(_e);
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147 }
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148 };
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149
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150 path = path.add(size);
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151 either = editor.edit(path,e);
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152 if(either.isA()){
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153 throw new IllegalStateException();
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154 }
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155 editor = either.b();
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46
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156
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157 either = editor.success();
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158 /* Put DataSegment */
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159 try {
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160 putTreeOperationLog((NetworkDefaultJungleTreeEditor)editor);
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161 } catch (IOException e1) {
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162 e1.printStackTrace();
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163 }
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164 }while(either.isA());
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165 }
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166
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167 public void editMessage(String _board,String _uuid,final String _author,final String _message,final String _editKey)
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168 {
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169 JungleTreeEditor editor = null;
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170 Either<Error,JungleTreeEditor> either = null;
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171 do{
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172 DefaultNodePath path = new DefaultNodePath();
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173 path = path.add(Integer.parseInt(_uuid));
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174
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175 JungleTree tree = jungle.getTreeByName(_board);
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176 editor = tree.getTreeEditor();
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177 NodeEditor e = new NodeEditor(){
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178 public <T extends EditableNode<T>> Either<Error, T> edit(T _e){
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179 _e = _e.getAttributes().put("author",ByteBuffer.wrap(_author.getBytes())).b();
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180 _e = _e.getAttributes().put("mes",ByteBuffer.wrap(_message.getBytes())).b();
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181 _e = _e.getAttributes().put("key",ByteBuffer.wrap(_editKey.getBytes())).b();
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182 return DefaultEither.newB(_e);
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183 }
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184 };
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185
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186 either = editor.edit(path,e);
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187 if(either.isA()){
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188 throw new IllegalStateException();
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189 }
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190 editor = either.b();
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191 either = editor.success();
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192 /* Put DataSegment */
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193 try {
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194 putTreeOperationLog((NetworkDefaultJungleTreeEditor)editor);
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195 } catch (IOException e1) {
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196 e1.printStackTrace();
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197 }
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198 }while(either.isA());
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199 }
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200
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201 public Iterable<BoardMessage> getMessages(String _boardName)
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202 {
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203 JungleTree tree = jungle.getTreeByName(_boardName);
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204 Node node = tree.getRootNode();
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205 Children<Node> chs = node.getChildren();
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206
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207 final AtomicInteger counter = new AtomicInteger(0);
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208 IterableConverter.Converter<BoardMessage,Node> converter = new IterableConverter.Converter<BoardMessage,Node>(){
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209 public BoardMessage conv(Node _b) {
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210 String uuid = Integer.toString(counter.get());
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211 String author = new String(_b.getAttributes().get("author").array());
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212 String message = new String(_b.getAttributes().get("mes").array());
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213 counter.incrementAndGet();
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214 return new BoardMessageImpl(author,message,uuid);
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215 }
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216 };
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217
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218 return new IterableConverter<BoardMessage,Node>(chs,converter);
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219 }
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220
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221 private void putTreeOperationLog(NetworkDefaultJungleTreeEditor editor) throws IOException {
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222 String uuid = editor.getID();
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223 String treeName = editor.getTreeName();
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224 String updaterName = editor.getUpdaterName();
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225 long revision = Long.parseLong(editor.getRevision());
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226 Iterable<TreeOperation> log = editor.getTreeOperationLog();
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227 putDataSegment(uuid, treeName, updaterName, log, revision);
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228 }
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229
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230 private void putDataSegment(String _uuid, String _treeName, String _updaterName, Iterable<TreeOperation> _log, long nextRevision) throws IOException {
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231 DefaultTreeOperationLogContainer container = new DefaultTreeOperationLogContainer();
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232 container.setTreeName(_treeName);
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233 container.setUUID(_uuid);
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234 container.setUpdaterName(_updaterName);
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235 container.setRevision(nextRevision);
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236 container.unconvert(_log);
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237 NullCodeSegmentForUpdate cs = new NullCodeSegmentForUpdate();
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238 cs.ods.put("log", container);
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239 }
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240
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241
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242 private static class BoardMessageImpl implements BoardMessage
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243 {
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244 private final String author;
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245 private final String message;
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246 private final String uuid;
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247
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248 public BoardMessageImpl(String _author,String _message,String _uuid)
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249 {
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250 author = _author;
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251 message = _message;
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252 uuid = _uuid;
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253 }
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254
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255 public String getAuthor()
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256 {
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257 return author;
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258 }
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259
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260 public String getMessage()
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261 {
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262 return message;
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263 }
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264
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265 public String getUUID()
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266 {
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267 return uuid;
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268 }
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269 }
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270 }
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