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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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38
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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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52
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7 import alice.jungle.codesegment.HashLogUpdateCodeSegment;
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39
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8 import alice.jungle.core.NetworkDefaultJungle;
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9 import alice.jungle.datasegment.store.operations.DefaultTreeOperationLogContainer;
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10 import alice.jungle.transaction.NetworkDefaultJungleTreeEditor;
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11 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.DefaultJungle;
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12 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.Jungle;
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13 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.JungleTree;
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14 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.JungleTreeEditor;
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15 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.core.Children;
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16 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.core.Node;
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17 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.DefaultNodePath;
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18 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.DefaultTreeEditor;
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19 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.TreeOperation;
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20 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.EditableNode;
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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.traverser.DefaultTraverser;
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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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46
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27 import jungle.test.bbs.codesegment.NullCodeSegmentForUpdate;
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28
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39
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29 public class NetworkJungleBulletinBoard implements BulletinBoard
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30 {
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31 private final Jungle jungle;
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32
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43
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33 public NetworkJungleBulletinBoard(String _serverName)
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34 {
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35 jungle = new NetworkDefaultJungle(null,"hoge",new DefaultTreeEditor(new DefaultTraverser()), _serverName);
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36 jungle.createNewTree("boards");
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51
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37 JungleManager.setJungle(jungle);
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38
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38 }
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39
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40 public Iterable<String> getBoards()
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41 {
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42 JungleTree tree = jungle.getTreeByName("boards");
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43 Node node = tree.getRootNode();
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44 Children<Node> chs = node.getChildren();
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45
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46 IterableConverter.Converter<String,Node> converter = new IterableConverter.Converter<String,Node>(){
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47 public String conv(Node _b) {
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48 ByteBuffer e = _b.getAttributes().get("name");
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49 return new String(e.array());
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50 }
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51 };
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52
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53 return new IterableConverter<String,Node>(chs,converter);
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54 }
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55
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56 public void createBoards(final String _name,final String _author,final String _initMessage,final String _editKey)
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57 {
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58 if(null == jungle.createNewTree(_name)){
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59 throw new IllegalStateException();
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60 }
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61
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62 JungleTree tree = jungle.getTreeByName("boards");
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63 JungleTreeEditor editor = tree.getTreeEditor();
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64 DefaultNodePath root = new DefaultNodePath();
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65 Either<Error,JungleTreeEditor> either = editor.addNewChildAt(root,0);
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66 if(either.isA()){
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67 throw new IllegalStateException();
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68 }
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69 editor = either.b();
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70
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71 either = editor.putAttribute(root.add(0),"name",ByteBuffer.wrap(_name.getBytes()));
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72 if(either.isA()){
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73 throw new IllegalStateException();
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74 }
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75 editor = either.b();
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76 Either<Error,JungleTreeEditor> result = editor.success();
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77 if(result.isA()){
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78 throw new IllegalStateException();
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79 }
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80 /* Put DataSegment */
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81 try {
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82 putTreeOperationLog((NetworkDefaultJungleTreeEditor)editor);
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83 } catch (IOException e1) {
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84 e1.printStackTrace();
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85 }
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86
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87 tree = jungle.getTreeByName(_name);
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88 editor = tree.getTreeEditor();
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89 either = editor.addNewChildAt(root,0);
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90 if(either.isA()){
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91 throw new IllegalStateException();
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92 }
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93 editor = either.b();
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94
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95 NodeEditor e = new NodeEditor(){
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96 public <T extends EditableNode<T>> Either<Error, T> edit(T _e){
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97 _e = _e.getAttributes().put("author",ByteBuffer.wrap(_author.getBytes())).b();
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98 _e = _e.getAttributes().put("mes",ByteBuffer.wrap(_initMessage.getBytes())).b();
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99 _e = _e.getAttributes().put("key",ByteBuffer.wrap(_editKey.getBytes())).b();
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100 return DefaultEither.newB(_e);
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101 }
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102 };
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103
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104 either = editor.edit(root.add(0),e);
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105 if(either.isA()){
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106 throw new IllegalStateException();
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107 }
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108 editor = either.b();
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109 editor.success();
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46
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110 /* Put DataSegment */
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111 try {
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112 putTreeOperationLog((NetworkDefaultJungleTreeEditor)editor);
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113 } catch (IOException e1) {
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114 e1.printStackTrace();
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115 }
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116
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117 }
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118
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119 public void createBoardMessage(final String _board,final String _author,final String _message,final String _editKey)
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120 {
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121 JungleTree tree = jungle.getTreeByName(_board);
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122 if(tree == null){
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123 throw new IllegalStateException();
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124 }
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125
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126 JungleTreeEditor editor;
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127 Either<Error, JungleTreeEditor> either;
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128 do{
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129 Node node = tree.getRootNode();
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130 int size = node.getChildren().size();
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131 DefaultNodePath path = new DefaultNodePath();
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132
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133 editor = tree.getTreeEditor();
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134 either = editor.addNewChildAt(path,size);
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135 if(either.isA()){
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136 throw new IllegalStateException();
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137 }
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138 editor = either.b();
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139 NodeEditor e = new NodeEditor(){
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140 public <T extends EditableNode<T>> Either<Error, T> edit(T _e){
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141 _e = _e.getAttributes().put("author",ByteBuffer.wrap(_author.getBytes())).b();
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142 _e = _e.getAttributes().put("mes",ByteBuffer.wrap(_message.getBytes())).b();
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143 _e = _e.getAttributes().put("key",ByteBuffer.wrap(_editKey.getBytes())).b();
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144 return DefaultEither.newB(_e);
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145 }
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146 };
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147 path = path.add(size);
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148 either = editor.edit(path,e);
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149 if(either.isA()){
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150 throw new IllegalStateException();
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151 }
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152 editor = either.b();
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153 either = editor.success();
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154 try {
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155 putTreeOperationLog((NetworkDefaultJungleTreeEditor)editor);
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156 } catch (IOException e1) {
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157 e1.printStackTrace();
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158 }
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159 }while(either.isA());
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51
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160 /* Put DataSegment */
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161 }
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162
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163 public void editMessage(String _board,String _uuid,final String _author,final String _message,final String _editKey)
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164 {
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165 JungleTreeEditor editor = null;
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166 Either<Error,JungleTreeEditor> either = null;
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167 do{
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168 DefaultNodePath path = new DefaultNodePath();
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169 path = path.add(Integer.parseInt(_uuid));
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170
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171 JungleTree tree = jungle.getTreeByName(_board);
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172 editor = tree.getTreeEditor();
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173 NodeEditor e = new NodeEditor(){
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174 public <T extends EditableNode<T>> Either<Error, T> edit(T _e){
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175 _e = _e.getAttributes().put("author",ByteBuffer.wrap(_author.getBytes())).b();
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176 _e = _e.getAttributes().put("mes",ByteBuffer.wrap(_message.getBytes())).b();
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177 _e = _e.getAttributes().put("key",ByteBuffer.wrap(_editKey.getBytes())).b();
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178 return DefaultEither.newB(_e);
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179 }
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180 };
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181
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182 either = editor.edit(path,e);
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183 if(either.isA()){
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184 throw new IllegalStateException();
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185 }
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186 editor = either.b();
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187 either = editor.success();
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188 try {
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189 putTreeOperationLog((NetworkDefaultJungleTreeEditor)editor);
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190 } catch (IOException e1) {
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191 e1.printStackTrace();
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192 }
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193 }while(either.isA());
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194 }
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195
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196 public Iterable<BoardMessage> getMessages(String _boardName)
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197 {
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198 JungleTree tree = jungle.getTreeByName(_boardName);
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199 Node node = tree.getRootNode();
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200 Children<Node> chs = node.getChildren();
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201
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202 final AtomicInteger counter = new AtomicInteger(0);
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203 IterableConverter.Converter<BoardMessage,Node> converter = new IterableConverter.Converter<BoardMessage,Node>(){
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204 public BoardMessage conv(Node _b) {
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205 String uuid = Integer.toString(counter.get());
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206 String author = new String(_b.getAttributes().get("author").array());
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207 String message = new String(_b.getAttributes().get("mes").array());
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208 counter.incrementAndGet();
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209 return new BoardMessageImpl(author,message,uuid);
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210 }
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211 };
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212
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213 return new IterableConverter<BoardMessage,Node>(chs,converter);
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214 }
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215
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216 private void putTreeOperationLog(NetworkDefaultJungleTreeEditor editor) throws IOException {
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217 String uuid = editor.getID();
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218 String treeName = editor.getTreeName();
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219 String updaterName = editor.getUpdaterName();
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220 String revision = editor.getRevision();
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221 Iterable<TreeOperation> log = editor.getTreeOperationLog();
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222 putDataSegment(uuid, treeName, updaterName, log, revision);
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223 }
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224
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225 private void putDataSegment(String _uuid, String _treeName, String _updaterName, Iterable<TreeOperation> _log, String nextRevision) throws IOException {
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226 DefaultTreeOperationLogContainer container = new DefaultTreeOperationLogContainer();
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227 container.setTreeName(_treeName);
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228 container.setUUID(_uuid);
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229 container.setUpdaterName(_updaterName);
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230 container.setRevision(nextRevision);
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231 container.unconvert(_log);
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232 NullCodeSegmentForUpdate cs = new NullCodeSegmentForUpdate();
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233 cs.ods.put("log", container);
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234 new HashLogUpdateCodeSegment(container.getHashLogString());
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235 System.out.println("putDataSegment");
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236 System.out.println(container.getHashLogString());
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237 /* If this node is not Root node, push log to parent node's DS */
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238 if(!_updaterName.equals("node0")) {
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239 cs.ods.put("parent", "childLog", container);
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240 }
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241 }
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242
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243
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244 private static class BoardMessageImpl implements BoardMessage
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245 {
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246 private final String author;
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247 private final String message;
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248 private final String uuid;
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249
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250 public BoardMessageImpl(String _author,String _message,String _uuid)
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251 {
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252 author = _author;
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253 message = _message;
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254 uuid = _uuid;
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255 }
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256
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257 public String getAuthor()
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258 {
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259 return author;
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260 }
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261
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262 public String getMessage()
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263 {
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264 return message;
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265 }
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266
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267 public String getUUID()
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268 {
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269 return uuid;
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270 }
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271 }
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272 }
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