Mercurial > hg > Members > tatsuki > bench > jungle-core

annotate src/main/java/jp/ac/u_ryukyu/ie/cr/shoshi/jungle/traverser/DefaultEvaluator.java @ 86:fb1dc448ac8c

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delete <T extends TreeNode>
author one
date Wed, 03 Sep 2014 23:44:23 +0900
parents 715a9fbf02fc
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1 package jp.ac.u_ryukyu.ie.cr.shoshi.jungle.traverser;
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3 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.NodePath;
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4 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.TreeNode;
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5 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Pair;
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7 public class DefaultEvaluator implements Evaluator
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8 {
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9 private final NodePath path;
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11 public DefaultEvaluator(NodePath _path)
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12 {
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13 path = _path;
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14 }
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16 @Override
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17 public Evaluation evaluate(TreeNode _current,int _pos)
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18 {
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19 Pair<Integer,NodePath> pop = path.pop();
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20 int head = pop.left();
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22 if(path.size() == 1){
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23 if(head == _pos){
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24 return new DefaultEvaluation(Result.GOAL,null);
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25 }
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26 }
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28 DefaultEvaluator nextEvaluator;
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29 Result result;
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30 if(head == _pos){
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31 result = Result.ACCEPT;
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32 nextEvaluator = new DefaultEvaluator(pop.right());
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33 }else{
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34 result = Result.CONTINUE;
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35 nextEvaluator = null;
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36 }
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38 return new DefaultEvaluation(result,nextEvaluator);
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39 }
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40 }