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1 package net.innig.macker.example.modularity.game.impl;
2
3 import net.innig.macker.example.modularity.game.*;
4 import net.innig.util.EnumeratedType;
5 import java.util.*;
6
7 public final class PrisonersDilemmaMove
8 extends EnumeratedType
9 implements Move
10 {
11 static final Move
12 COOPERATE = new PrisonersDilemmaMove("cooperate"),
13 DEFECT = new PrisonersDilemmaMove("defect");
14
15 static final Set ALL = Collections.unmodifiableSet(new HashSet(Arrays.asList(
16 new Move[] { COOPERATE, DEFECT } )));
17
18 private PrisonersDilemmaMove(String  name)
19 { super(name); }
20
21 public int getScoreFor(Move other)
22 {
23 if(this == COOPERATE && other == COOPERATE)
24 return 5;
25 if(this == DEFECT && other == COOPERATE)
26 return 10;
27 if(this == COOPERATE && other == DEFECT)
28 return 0;
29 if(this == DEFECT && other == DEFECT)
30 return 2;
31 throw new Error ("unknown move");
32 }
33
34 private int num;
35 }
36 |
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