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1 package christie.topology.manager;
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2
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3 import christie.annotation.Peek;
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4 import christie.codegear.CodeGear;
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5 import christie.codegear.CodeGearManager;
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6
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7 import java.io.File;
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8 import java.io.FileNotFoundException;
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9 import java.io.FileReader;
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10 import java.util.ArrayList;
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11 import java.util.HashMap;
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12 import java.util.LinkedList;
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13
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14 import com.alexmerz.graphviz.ParseException;
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15 import com.alexmerz.graphviz.Parser;
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16 import com.alexmerz.graphviz.objects.*;
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17
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18 public class FileParser extends CodeGear {
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19
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20 @Peek
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21 TopologyManagerConfig topologyManagerConfig;
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22
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23 @Override
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24 protected void run(CodeGearManager cgm) {
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25 LinkedList<String> nodeNames = new LinkedList<>();
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26 HashMap<String, LinkedList<NodeInfo>> resultParse = new HashMap<>();
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27 int nodeNum = 0;
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28
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29 try {
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30 FileReader reader = new FileReader(new File(topologyManagerConfig.confFilePath));
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31 Parser parser = new Parser();
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32 parser.parse(reader);
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33
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34
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35 ArrayList<Graph> digraphs = parser.getGraphs();
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36
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37
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38 for (Graph digraph : digraphs) {
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39 ArrayList<Node> nodes = digraph.getNodes(false);
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40 nodeNum = nodes.size();
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41
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42 for (Node node : nodes) {
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43 String nodeName = node.getId().getId();
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44 nodeNames.add(nodeName);
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45 resultParse.put(nodeName, new LinkedList<>());
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46 }
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47
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48 ArrayList<Edge> edges = digraph.getEdges();
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49
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50 String connection;
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51 String source;
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52 String target;
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53
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54 NodeInfo nodeInfo;
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55
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56 for (Edge edge : edges) {
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57 connection = edge.getAttribute("label");
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58 source = edge.getSource().getNode().getId().getId();
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59 target = edge.getTarget().getNode().getId().getId();
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60 nodeInfo = new NodeInfo(source, connection, target);
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61
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62 resultParse.get(source).add(nodeInfo);
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63
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64 }
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65 }
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66
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67 } catch (FileNotFoundException e) {
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68 e.printStackTrace();
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69 } catch (ParseException e) {
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70 e.printStackTrace();
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71 }
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72
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73 getLocalDGM().put("resultParse", resultParse);
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74 getLocalDGM().put("nodeNum", nodeNum);
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75 getLocalDGM().put("nodeNames", nodeNames);
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74
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76 getLocalDGM().put("waiterNodeNames", nodeNames.clone());
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77
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73
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78
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79
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80 }
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81 }
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