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1 package rep;
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2
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275
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3 import java.nio.channels.SelectionKey;
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4 import java.util.Iterator;
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1
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5 import java.util.LinkedList;
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224
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6 import java.util.List;
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7
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275
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8 import rep.channel.REPSelectionKey;
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131
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9 import rep.channel.REPSocketChannel;
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10
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0
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11 public class Session {
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38
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12 private Editor masterEditor;
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1
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13 private int sessionID;
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14 private String sessionName;
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15 private LinkedList<Editor> editorList = new LinkedList<Editor>();
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67
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16 private boolean isOwner = false;
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9
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17
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227
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18 public Session(int sid, String name, Editor editor) {
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19 this(sid, editor);
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20 sessionName = name;
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1
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21 }
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39
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22 public Session(Editor editor) {
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23 masterEditor = editor;
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24 this.sessionID = 0;
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25 this.sessionName = editor.getName();
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26 }
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27
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144
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28 public Session(int sid, Editor editor) {
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29 sessionID = sid;
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30 masterEditor = editor;
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31 editorList.add(editor);
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32 }
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179
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33 public void addEditor(int editorID, REPSocketChannel<REPCommand> channel) {
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1
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34 editorList.add(new Editor(editorID, channel));
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35 }
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39
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36 public LinkedList<Editor> getEditorList() {
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37 if(editorList == null) System.out.println("null!");
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1
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38 return editorList;
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39 }
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3
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40 public String toString(){
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41 return sessionName;
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42 }
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56
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43 public int getSID() {
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44 return sessionID;
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38
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45 }
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158
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46 public Editor getOwner() {
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38
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47 return masterEditor;
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48 }
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49 public String getName() {
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50 return sessionName;
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51 }
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144
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52 public void addEditor(Editor editor) {
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53 int eid = editorList.size();
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54 editor.setEID(eid);
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39
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55 editorList.add(editor);
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56 }
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274
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57
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58 public boolean deleteEditor(REPSocketChannel<REPCommand> channel) {
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59 boolean flag = false;
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275
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60
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61 for (Iterator<Editor> it = editorList.iterator();it.hasNext(); ) {
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62 Editor e = it.next();
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63 if (e.getChannel()==channel) {
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64 it.remove(); // to avoid concurrent modification
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274
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65 flag = true;
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66 }
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67 }
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68 return flag;
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69 }
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70
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227
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71 public void setSID(int sid) {
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72 sessionID = sid;
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56
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73 }
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274
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74
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158
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75 public boolean hasOwner() {
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67
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76 return isOwner;
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77 }
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158
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78 public void hasOwner(boolean b) {
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67
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79 isOwner = true;
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66
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80 }
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70
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81 public void sendToEditor(REPCommand repCmd) {
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82 for(Editor editor : editorList){
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181
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83 editor.getChannel().write(repCmd);
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70
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84 }
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85 }
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144
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86 public Editor getEditor(REPSocketChannel<REPCommand> channel) {
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87 for(Editor editor : editorList){
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88 if(editor.getChannel() == channel) return editor;
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89 }
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90 return null;
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91 }
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92 public void translate(REPSocketChannel<REPCommand> channel, REPCommand command) {
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93 Editor editor = getEditor(channel);
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224
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94 List<REPCommand> commandList = editor.translate(command);
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144
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95 Editor nextEditor = getNextEditor(editor);
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96
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97 for(REPCommand cmd: commandList){
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98 nextEditor.send(cmd);
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99 }
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100 }
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101 private Editor getNextEditor(Editor editor) {
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102 int eid = editor.getEID();
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103 int neid = (eid+1)%editorList.size();
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104 Editor nextEditor = editorList.get(neid);
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105 return nextEditor;
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106 }
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167
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107 public Editor getPrevEditor(Editor editor) {
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108 int eid = editor.getEID();
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109 int peid = (eid + editorList.size() - 1)%editorList.size();
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110 Editor prevEditor = editorList.get(peid);
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111 return prevEditor;
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112 }
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259
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113 public void closeSession() {
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260
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114 REPCommand command = new REPCommand();
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115 command.setCMD(REP.REPCMD_CLOSE);
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116 for(Editor editor : editorList){
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117 command.setEID(editor.getEID());
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118 editor.send(command);
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119 }
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259
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120 }
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0
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121 }
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