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5
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1 package alice.test.dpp.codesegment;
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2
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3 import alice.codesegment.CodeSegment;
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4 import alice.datasegment.CommandType;
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5 import alice.datasegment.Receiver;
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20
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6 import alice.test.dpp.datasegment.Fork;
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7 import alice.test.dpp.datasegment.Philosophy;
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5
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8
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9 public class TakeForkCodeSegment extends CodeSegment {
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10
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11 Receiver arg1 = ids.create(CommandType.TAKE);
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12 Receiver arg2 = ids.create(CommandType.TAKE);
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14
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13 Receiver arg3 = ids.create(CommandType.TAKE);
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14
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15 public TakeForkCodeSegment(String pName, String rFork, String lFork) {
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16 arg1.setKey(pName);
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15
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17 // dead lock
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14
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18 arg2.setKey(rFork);
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19 arg3.setKey(lFork);
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20 }
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5
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21
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22 @Override
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23 public void run() {
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14
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24 Philosophy phil = arg1.asClass(Philosophy.class);
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5
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25 Fork rightFork = arg2.asClass(Fork.class);
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14
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26 Fork leftFork = arg3.asClass(Fork.class);
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27 System.out.println(phil.getName() + " is trying to take the fork.");
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15
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28
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14
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29 if (leftFork.getFork(phil.getName()) && rightFork.getFork(phil.getName()) ) {
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30 phil.setState(Philosophy.State.EAT);
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5
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31 } else {
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14
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32 leftFork.onTheTable(phil.getName());
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33 rightFork.onTheTable(phil.getName());
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5
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34 }
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15
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35
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14
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36 new ScheduleCodeSegment(phil.getName());
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37 ods.update("local", phil.getName(), phil);
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5
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38 ods.update("local", leftFork.getForkName(), leftFork);
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39 ods.update("local", rightFork.getForkName(), rightFork);
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40 }
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41 }
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