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1 package alice.topology.manager;
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2
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3 import java.util.ArrayList;
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4 import java.util.HashMap;
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5 import java.util.LinkedList;
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6
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7 import org.msgpack.type.ValueFactory;
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8
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9 import alice.codesegment.CodeSegment;
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10 import alice.datasegment.CommandType;
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11 import alice.datasegment.DataSegment;
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12 import alice.datasegment.Receiver;
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13 import alice.topology.HostMessage;
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14
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15 public class IncomingHosts extends CodeSegment {
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16
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17 HashMap<String, LinkedList<NodeInfo>> topology;
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18 LinkedList<String> nodeNames;
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19 Receiver host = ids.create(CommandType.TAKE);
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20 Receiver connection = ids.create(CommandType.TAKE);
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21
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22 public IncomingHosts(HashMap<String, LinkedList<NodeInfo>> topology, LinkedList<String> nodeNames) {
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23 this.topology = topology;
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24 this.nodeNames = nodeNames;
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25 }
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26
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27 @Override
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28 public void run() {
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29 HostMessage host = this.host.asClass(HostMessage.class);
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30 @SuppressWarnings("unchecked")
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31 HashMap<String, ArrayList<HostMessage>> connectionList = this.connection.asClass(HashMap.class);
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32
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33 String nodeName = nodeNames.poll();
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34 // Manager connect to Node
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35
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36 DataSegment.connect(nodeName, "", host.name, host.port, host.reconnectFlag);
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37 ods.put(nodeName, "host", nodeName);
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38 LinkedList<NodeInfo> nodes = topology.get(nodeName);
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39 ArrayList<HostMessage> list;
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40 for (NodeInfo nodeInfo : nodes) {
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41 HostMessage newHost = new HostMessage(host.name, host.port, nodeInfo.connectionName, nodeInfo.reverseName);
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42 ods.put("local", nodeInfo.sourceNodeName, newHost);
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43
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44 if (connectionList.containsKey(nodeInfo.sourceNodeName)){
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45 list = connectionList.get(nodeInfo.sourceNodeName);
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46 } else {
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47 list = new ArrayList<HostMessage>();
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48 connectionList.put(nodeInfo.sourceNodeName, list);
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49
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50 }
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51 list.add(newHost);
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52 }
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53 ods.update("local", "connection", connectionList);
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54
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55 if (nodeNames.isEmpty()) {
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56 // configuration finish
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57 for (String key : topology.keySet()) {
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58 ods.put("local", key, ValueFactory.createNilValue());
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59 }
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60 } else {
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61 IncomingHosts cs = new IncomingHosts(topology, nodeNames);
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62 cs.host.setKey("local", "host");
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63 cs.connection.setKey("local", "connection");
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64 }
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65 }
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66
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67 }
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