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151
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1 package pathfinder.mergetest;
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2
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3 import java.util.ArrayList;
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4 import java.util.Set;
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5
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6 public class SelectorSimulator<P> {
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7
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8 private ArrayList<SelectionKeySimulator<P>> keyList;
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9 private NetworkSimulator<P> ns;
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10 private ArrayList<SelectionKeySimulator<P>> selectedKeys;
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11
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12 public SelectorSimulator(NetworkSimulator<P> _ns) {
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13 // TODO Auto-generated constructor stub
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14 ns = _ns;
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15 keyList = new ArrayList<SelectionKeySimulator<P>>();
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16 }
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17
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18 public int select(){
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19 selectedKeys = new ArrayList<SelectionKeySimulator<P>>();
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20
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21 synchronized(ns){
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155
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22 boolean empty = true;
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154
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23 //while(empty){
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153
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24 for(SelectionKeySimulator<P> key : keyList){
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25 ChannelSimulator<P> channel = key.channel();
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155
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26 // if(channel.readQisEmpty()){
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27 // empty = true;
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28 // }else{
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29 // empty = false;
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30 // selectedKeys.add(key);
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31 // break;
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32 // }
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33 if(!channel.readQisEmpty()){
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153
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34 empty = false;
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35 selectedKeys.add(key);
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36 }
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151
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37 }
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153
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38
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39 try {
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40 if(empty) ns.wait();
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41 } catch (InterruptedException e) {
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42 //e.printStackTrace();
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43 }
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154
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44 //}
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45 }
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46 return selectedKeys.size();
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47 }
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48
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49 public SelectionKeySimulator<P> register(ChannelSimulator<P> cs){
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50 SelectionKeySimulator<P> key = new SelectionKeySimulator<P>(cs);
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51 keyList.add(new SelectionKeySimulator<P>(cs));
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52 return key;
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53 }
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157
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54
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55 public SelectionKeySimulator<P> register(ChannelSimulator<P> cs, int opt, Object handler){
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56 SelectionKeySimulator<P> key = new SelectionKeySimulator<P>(cs);
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57 key.attach(handler);
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58 keyList.add(key);
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59 return key;
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60 }
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151
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61
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62 public ArrayList<SelectionKeySimulator<P>> selectedKeys() {
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63
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64 return selectedKeys;
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65 }
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157
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66
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67 public SelectionKeySimulator getKey(ChannelSimulator channel){
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68 for(SelectionKeySimulator key : keyList){
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69 if(key.channel() == channel)
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70 return key;
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71 }
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72 return null;
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73 }
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151
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74
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75 }
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