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

annotate src/main/java/jp/ac/u_ryukyu/ie/cr/shoshi/jungle/store/trasnformer/DeleteAttribute.java @ 135:6e9a8d26e0cf

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refactor
author one
date Fri, 24 Oct 2014 18:49:48 +0900
parents 74723b26ad96
children 371b6ddb78f2
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1 package jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer;
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3 import fj.data.List;
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4 import fj.data.TreeMap;
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5 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.NodePath;
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6 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.TreeNode;
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7 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.logger.LoggingNode;
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8 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.logger.OperationLog;
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9 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.DefaultEither;
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10 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Either;
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11 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Error;
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12 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Pair;
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14 public class DeleteAttribute implements NodeEditor
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15 {
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16 private final String key;
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17 public DeleteAttribute(String _key)
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18 {
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19 key = _key;
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20 }
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22 public Either<Error,LoggingNode> _edit(LoggingNode logNode)
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23 {
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24 Either<Error,LoggingNode> either = logNode.getAttributes().delete(key);
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25 if(either.isA()){
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26 // error
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27 return either;
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28 }
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29 return DefaultEither.newB(either.b());
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30 }
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32 @Override
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33 public Either<Error, LoggingNode> edit(TreeNode _e) {
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34 LoggingNode logNode = wrap(_e);
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35 return _edit(logNode);
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36 }
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38 public LoggingNode wrap(TreeNode node) {
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39 return new LoggingNode(node);
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40 }
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42 @Override
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43 public LoggingNode wrap(TreeNode node, OperationLog op) {
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44 return new LoggingNode(node, op);
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45 }
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46 }