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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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94
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14 import christie.topology.HostMessage;
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73
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15 import com.alexmerz.graphviz.ParseException;
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16 import com.alexmerz.graphviz.Parser;
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17 import com.alexmerz.graphviz.objects.*;
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18
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19 public class FileParser extends CodeGear {
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20
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21 @Peek
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22 TopologyManagerConfig topologyManagerConfig;
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23
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24 @Override
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25 protected void run(CodeGearManager cgm) {
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26 LinkedList<String> nodeNames = new LinkedList<>();
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94
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27 HashMap<String, LinkedList<HostMessage>> resultParse = new HashMap<>();
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28 int nodeNum = 0;
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29
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30 try {
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31 FileReader reader = new FileReader(new File(topologyManagerConfig.confFilePath));
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32 Parser parser = new Parser();
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33 parser.parse(reader);
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34
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35
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36 ArrayList<Graph> digraphs = parser.getGraphs();
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37
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38
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39 for (Graph digraph : digraphs) {
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40 ArrayList<Node> nodes = digraph.getNodes(false);
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41 nodeNum = nodes.size();
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42
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43 for (Node node : nodes) {
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44 String nodeName = node.getId().getId();
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45 nodeNames.add(nodeName);
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46 resultParse.put(nodeName, new LinkedList<>());
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47 }
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48
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49 ArrayList<Edge> edges = digraph.getEdges();
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50
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51 for (Edge edge : edges) {
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52 HostMessage nodeInfo = new HostMessage();
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53
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54 nodeInfo.setNodeInfo(edge.getSource().getNode().getId().getId(),
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55 edge.getAttribute("label"),
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56 edge.getTarget().getNode().getId().getId());
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57 resultParse.get(nodeInfo.getNodeName()).add(nodeInfo);
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58 }
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59 }
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60
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61 } catch (FileNotFoundException e) {
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62 e.printStackTrace();
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63 } catch (ParseException e) {
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64 e.printStackTrace();
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65 }
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66
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67 getLocalDGM().put("resultParse", resultParse);
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68 getLocalDGM().put("nodeNum", nodeNum);
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69 getLocalDGM().put("nodeNames", nodeNames);
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70 getLocalDGM().put("waiterNodeNames", nodeNames.clone());
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71
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72
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73
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74 }
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75 }
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