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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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39
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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 final Jungle jungle;
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31
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32 public NetworkJungleBulletinBoard(String _serverName)
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33 {
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34 jungle = new NetworkDefaultJungle(null,"hoge",new DefaultTreeEditor(new DefaultTraverser()), _serverName);
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35 jungle.createNewTree("boards");
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36 JungleManager.setJungle(jungle);
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38
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37 }
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38
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39 public Iterable<String> getBoards()
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40 {
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41 JungleTree tree = jungle.getTreeByName("boards");
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42 Node node = tree.getRootNode();
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43 Children<Node> chs = node.getChildren();
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44
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45 IterableConverter.Converter<String,Node> converter = new IterableConverter.Converter<String,Node>(){
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46 public String conv(Node _b) {
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47 ByteBuffer e = _b.getAttributes().get("name");
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48 return new String(e.array());
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49 }
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50 };
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51
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52 return new IterableConverter<String,Node>(chs,converter);
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53 }
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54
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55 public void createBoards(final String _name,final String _author,final String _initMessage,final String _editKey)
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56 {
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57 if(null == jungle.createNewTree(_name)){
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58 throw new IllegalStateException();
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59 }
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60
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61 JungleTree tree = jungle.getTreeByName("boards");
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62 JungleTreeEditor editor = tree.getTreeEditor();
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63 DefaultNodePath root = new DefaultNodePath();
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64 Either<Error,JungleTreeEditor> either = editor.addNewChildAt(root,0);
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65 if(either.isA()){
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66 throw new IllegalStateException();
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67 }
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68 editor = either.b();
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69
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70 either = editor.putAttribute(root.add(0),"name",ByteBuffer.wrap(_name.getBytes()));
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71 if(either.isA()){
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72 throw new IllegalStateException();
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73 }
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74 editor = either.b();
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75 Either<Error,JungleTreeEditor> result = editor.success();
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76 if(result.isA()){
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77 throw new IllegalStateException();
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78 }
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79 /* Put DataSegment */
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80 try {
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81 putTreeOperationLog((NetworkDefaultJungleTreeEditor)editor);
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82 } catch (IOException e1) {
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83 e1.printStackTrace();
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84 }
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85
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86 tree = jungle.getTreeByName(_name);
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87 editor = tree.getTreeEditor();
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88 either = editor.addNewChildAt(root,0);
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89 if(either.isA()){
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90 throw new IllegalStateException();
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91 }
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92 editor = either.b();
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93
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94 NodeEditor e = new NodeEditor(){
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95 public <T extends EditableNode<T>> Either<Error, T> edit(T _e){
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96 _e = _e.getAttributes().put("author",ByteBuffer.wrap(_author.getBytes())).b();
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97 _e = _e.getAttributes().put("mes",ByteBuffer.wrap(_initMessage.getBytes())).b();
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98 _e = _e.getAttributes().put("key",ByteBuffer.wrap(_editKey.getBytes())).b();
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99 return DefaultEither.newB(_e);
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100 }
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101 };
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102
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103 either = editor.edit(root.add(0),e);
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104 if(either.isA()){
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105 throw new IllegalStateException();
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106 }
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107 editor = either.b();
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108 editor.success();
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46
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109 /* Put DataSegment */
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110 try {
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111 putTreeOperationLog((NetworkDefaultJungleTreeEditor)editor);
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112 } catch (IOException e1) {
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113 e1.printStackTrace();
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114 }
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115
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116 }
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117
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118 public void createBoardMessage(final String _board,final String _author,final String _message,final String _editKey)
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119 {
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120 JungleTree tree = jungle.getTreeByName(_board);
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121 if(tree == null){
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122 throw new IllegalStateException();
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123 }
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124
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125 JungleTreeEditor editor;
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126 Either<Error, JungleTreeEditor> either;
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127 do{
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128 Node node = tree.getRootNode();
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129 int size = node.getChildren().size();
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130 DefaultNodePath path = new DefaultNodePath();
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131
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132 editor = tree.getTreeEditor();
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133 either = editor.addNewChildAt(path,size);
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134 if(either.isA()){
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135 throw new IllegalStateException();
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136 }
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137 editor = either.b();
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138 NodeEditor e = new NodeEditor(){
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139 public <T extends EditableNode<T>> Either<Error, T> edit(T _e){
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140 _e = _e.getAttributes().put("author",ByteBuffer.wrap(_author.getBytes())).b();
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141 _e = _e.getAttributes().put("mes",ByteBuffer.wrap(_message.getBytes())).b();
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142 _e = _e.getAttributes().put("key",ByteBuffer.wrap(_editKey.getBytes())).b();
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143 return DefaultEither.newB(_e);
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144 }
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145 };
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146 path = path.add(size);
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147 either = editor.edit(path,e);
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148 if(either.isA()){
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149 throw new IllegalStateException();
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150 }
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151 editor = either.b();
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152 either = editor.success();
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153 try {
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154 putTreeOperationLog((NetworkDefaultJungleTreeEditor)editor);
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155 } catch (IOException e1) {
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156 e1.printStackTrace();
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157 }
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158 }while(either.isA());
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51
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159 /* Put DataSegment */
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160 }
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161
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162 public void editMessage(String _board,String _uuid,final String _author,final String _message,final String _editKey)
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163 {
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164 JungleTreeEditor editor = null;
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165 Either<Error,JungleTreeEditor> either = null;
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166 do{
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167 DefaultNodePath path = new DefaultNodePath();
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168 path = path.add(Integer.parseInt(_uuid));
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169
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170 JungleTree tree = jungle.getTreeByName(_board);
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171 editor = tree.getTreeEditor();
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172 NodeEditor e = new NodeEditor(){
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173 public <T extends EditableNode<T>> Either<Error, T> edit(T _e){
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174 _e = _e.getAttributes().put("author",ByteBuffer.wrap(_author.getBytes())).b();
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175 _e = _e.getAttributes().put("mes",ByteBuffer.wrap(_message.getBytes())).b();
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176 _e = _e.getAttributes().put("key",ByteBuffer.wrap(_editKey.getBytes())).b();
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177 return DefaultEither.newB(_e);
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178 }
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179 };
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180
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181 either = editor.edit(path,e);
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182 if(either.isA()){
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183 throw new IllegalStateException();
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184 }
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185 editor = either.b();
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186 either = editor.success();
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187 try {
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188 putTreeOperationLog((NetworkDefaultJungleTreeEditor)editor);
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189 } catch (IOException e1) {
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190 e1.printStackTrace();
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191 }
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192 }while(either.isA());
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193 }
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194
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195 public Iterable<BoardMessage> getMessages(String _boardName)
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196 {
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197 JungleTree tree = jungle.getTreeByName(_boardName);
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198 Node node = tree.getRootNode();
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199 Children<Node> chs = node.getChildren();
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200
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201 final AtomicInteger counter = new AtomicInteger(0);
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202 IterableConverter.Converter<BoardMessage,Node> converter = new IterableConverter.Converter<BoardMessage,Node>(){
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203 public BoardMessage conv(Node _b) {
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204 String uuid = Integer.toString(counter.get());
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205 String author = new String(_b.getAttributes().get("author").array());
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206 String message = new String(_b.getAttributes().get("mes").array());
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207 counter.incrementAndGet();
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208 return new BoardMessageImpl(author,message,uuid);
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209 }
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210 };
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211
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212 return new IterableConverter<BoardMessage,Node>(chs,converter);
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213 }
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214
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215 private void putTreeOperationLog(NetworkDefaultJungleTreeEditor editor) throws IOException {
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216 String uuid = editor.getID();
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217 String treeName = editor.getTreeName();
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218 String updaterName = editor.getUpdaterName();
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219 long revision = Long.parseLong(editor.getRevision());
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220 Iterable<TreeOperation> log = editor.getTreeOperationLog();
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221 putDataSegment(uuid, treeName, updaterName, log, revision);
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222 }
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223
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224 private void putDataSegment(String _uuid, String _treeName, String _updaterName, Iterable<TreeOperation> _log, long nextRevision) throws IOException {
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225 DefaultTreeOperationLogContainer container = new DefaultTreeOperationLogContainer();
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226 container.setTreeName(_treeName);
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227 container.setUUID(_uuid);
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228 container.setUpdaterName(_updaterName);
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229 container.setRevision(nextRevision);
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230 container.unconvert(_log);
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231 NullCodeSegmentForUpdate cs = new NullCodeSegmentForUpdate();
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232 cs.ods.put("log", container);
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233 /* If this node isn't Root node, push log to parent node's DS */
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234 if(!_updaterName.equals("node0")) {
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235 cs.ods.put("parent", "childLog", container);
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236 }
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237 }
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238
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239
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240 private static class BoardMessageImpl implements BoardMessage
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241 {
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242 private final String author;
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243 private final String message;
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244 private final String uuid;
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245
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246 public BoardMessageImpl(String _author,String _message,String _uuid)
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247 {
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248 author = _author;
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249 message = _message;
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250 uuid = _uuid;
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251 }
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252
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253 public String getAuthor()
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254 {
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255 return author;
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256 }
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257
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258 public String getMessage()
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259 {
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260 return message;
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261 }
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262
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263 public String getUUID()
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264 {
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265 return uuid;
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266 }
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267 }
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268 }
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