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1 package jungle.test.bbs;
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2
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3 import java.nio.ByteBuffer;
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4 import java.util.concurrent.atomic.AtomicInteger;
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39
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5
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6 import alice.jungle.core.NetworkDefaultJungle;
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7 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.DefaultJungle;
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8 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.Jungle;
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9 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.JungleTree;
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10 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.JungleTreeEditor;
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11 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.core.Children;
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12 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.core.Node;
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13 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.DefaultNodePath;
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14 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.DefaultTreeEditor;
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15 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.EditableNode;
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16 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.NodeEditor;
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17 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.traverser.DefaultTraverser;
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18 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.DefaultEither;
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19 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Either;
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20 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Error;
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21 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.IterableConverter;
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22
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23 public class NetworkJungleBulletinBoard implements BulletinBoard
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24 {
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25 private JungleManager jm;
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26 private final Jungle jungle;
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27
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28 public NetworkJungleBulletinBoard()
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29 {
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42
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30 jm = new JungleManager();
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31 jungle = jm.getJungle();
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38
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32 jungle.createNewTree("boards");
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33 }
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34
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35 public Iterable<String> getBoards()
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36 {
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37 JungleTree tree = jungle.getTreeByName("boards");
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38 Node node = tree.getRootNode();
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39 Children<Node> chs = node.getChildren();
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40
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41 IterableConverter.Converter<String,Node> converter = new IterableConverter.Converter<String,Node>(){
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42 public String conv(Node _b) {
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43 ByteBuffer e = _b.getAttributes().get("name");
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44 return new String(e.array());
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45 }
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46 };
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47
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48 return new IterableConverter<String,Node>(chs,converter);
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49 }
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50
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51 public void createBoards(final String _name,final String _author,final String _initMessage,final String _editKey)
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52 {
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53 if(null == jungle.createNewTree(_name)){
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54 throw new IllegalStateException();
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55 }
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56
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57 JungleTree tree = jungle.getTreeByName("boards");
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58 JungleTreeEditor editor = tree.getTreeEditor();
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59 DefaultNodePath root = new DefaultNodePath();
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60 Either<Error,JungleTreeEditor> either = editor.addNewChildAt(root,0);
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61 if(either.isA()){
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62 throw new IllegalStateException();
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63 }
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64 editor = either.b();
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65
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66 either = editor.putAttribute(root.add(0),"name",ByteBuffer.wrap(_name.getBytes()));
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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 Either<Error,JungleTreeEditor> result = editor.success();
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72 if(result.isA()){
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73 throw new IllegalStateException();
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74 }
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75
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76 tree = jungle.getTreeByName(_name);
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77 editor = tree.getTreeEditor();
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78 either = editor.addNewChildAt(root,0);
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79 if(either.isA()){
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80 throw new IllegalStateException();
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81 }
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82 editor = either.b();
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83
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84 NodeEditor e = new NodeEditor(){
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85 public <T extends EditableNode<T>> Either<Error, T> edit(T _e){
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86 _e = _e.getAttributes().put("author",ByteBuffer.wrap(_author.getBytes())).b();
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87 _e = _e.getAttributes().put("mes",ByteBuffer.wrap(_initMessage.getBytes())).b();
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88 _e = _e.getAttributes().put("key",ByteBuffer.wrap(_editKey.getBytes())).b();
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89 return DefaultEither.newB(_e);
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90 }
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91 };
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92
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93 either = editor.edit(root.add(0),e);
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94 if(either.isA()){
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95 throw new IllegalStateException();
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96 }
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97 editor = either.b();
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98 editor.success();
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99 }
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100
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101 public void createBoardMessage(final String _board,final String _author,final String _message,final String _editKey)
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102 {
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103 JungleTree tree = jungle.getTreeByName(_board);
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104 if(tree == null){
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105 throw new IllegalStateException();
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106 }
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107
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108 JungleTreeEditor editor;
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109 do{
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110 Node node = tree.getRootNode();
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111 int size = node.getChildren().size();
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112 DefaultNodePath path = new DefaultNodePath();
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113
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114 editor = tree.getTreeEditor();
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115 Either<Error, JungleTreeEditor> either = editor.addNewChildAt(path,size);
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116 if(either.isA()){
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117 throw new IllegalStateException();
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118 }
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119 editor = either.b();
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120
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121 NodeEditor e = new NodeEditor(){
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122 public <T extends EditableNode<T>> Either<Error, T> edit(T _e){
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123 _e = _e.getAttributes().put("author",ByteBuffer.wrap(_author.getBytes())).b();
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124 _e = _e.getAttributes().put("mes",ByteBuffer.wrap(_message.getBytes())).b();
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125 _e = _e.getAttributes().put("key",ByteBuffer.wrap(_editKey.getBytes())).b();
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126 return DefaultEither.newB(_e);
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127 }
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128 };
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129
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130 path = path.add(size);
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131 either = editor.edit(path,e);
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132 if(either.isA()){
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133 throw new IllegalStateException();
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134 }
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135 editor = either.b();
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136 }while(editor.success().isA());
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137 }
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138
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139 public void editMessage(String _board,String _uuid,final String _author,final String _message,final String _editKey)
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140 {
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141 JungleTreeEditor editor = null;
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142 do{
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143 DefaultNodePath path = new DefaultNodePath();
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144 path = path.add(Integer.parseInt(_uuid));
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145
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146 JungleTree tree = jungle.getTreeByName(_board);
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147 editor = tree.getTreeEditor();
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148 NodeEditor e = new NodeEditor(){
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149 public <T extends EditableNode<T>> Either<Error, T> edit(T _e){
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150 _e = _e.getAttributes().put("author",ByteBuffer.wrap(_author.getBytes())).b();
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151 _e = _e.getAttributes().put("mes",ByteBuffer.wrap(_message.getBytes())).b();
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152 _e = _e.getAttributes().put("key",ByteBuffer.wrap(_editKey.getBytes())).b();
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153 return DefaultEither.newB(_e);
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154 }
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155 };
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156
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157 Either<Error,JungleTreeEditor> either = editor.edit(path,e);
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158 if(either.isA()){
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159 throw new IllegalStateException();
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160 }
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161 editor = either.b();
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162 }while(editor.success().isA());
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163 }
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164
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165 public Iterable<BoardMessage> getMessages(String _boardName)
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166 {
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167 JungleTree tree = jungle.getTreeByName(_boardName);
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168 Node node = tree.getRootNode();
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169 Children<Node> chs = node.getChildren();
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170
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171 final AtomicInteger counter = new AtomicInteger(0);
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172 IterableConverter.Converter<BoardMessage,Node> converter = new IterableConverter.Converter<BoardMessage,Node>(){
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173 public BoardMessage conv(Node _b) {
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174 String uuid = Integer.toString(counter.get());
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175 String author = new String(_b.getAttributes().get("author").array());
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176 String message = new String(_b.getAttributes().get("mes").array());
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177 counter.incrementAndGet();
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178 return new BoardMessageImpl(author,message,uuid);
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179 }
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180 };
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181
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182 return new IterableConverter<BoardMessage,Node>(chs,converter);
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183 }
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184
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185 private static class BoardMessageImpl implements BoardMessage
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186 {
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187 private final String author;
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188 private final String message;
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189 private final String uuid;
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190
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191 public BoardMessageImpl(String _author,String _message,String _uuid)
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192 {
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193 author = _author;
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194 message = _message;
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195 uuid = _uuid;
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196 }
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197
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198 public String getAuthor()
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199 {
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200 return author;
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201 }
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202
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203 public String getMessage()
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204 {
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205 return message;
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206 }
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207
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208 public String getUUID()
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209 {
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210 return uuid;
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211 }
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212 }
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213 }
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