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1 package jp.ac.u_ryukyu.ie.cr.jungle.store.trasnformer;
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2
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3 import jp.ac.u_ryukyu.ie.cr.jungle.store.impl.TreeNode;
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4 import jp.ac.u_ryukyu.ie.cr.jungle.store.impl.logger.LoggingNode;
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5 import jp.ac.u_ryukyu.ie.cr.jungle.store.impl.logger.OperationLog;
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6 import jp.ac.u_ryukyu.ie.cr.jungle.util.DefaultEither;
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7 import jp.ac.u_ryukyu.ie.cr.jungle.util.Either;
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8 import jp.ac.u_ryukyu.ie.cr.jungle.util.Error;
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9
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10 public class AppendChildAt implements NodeEditor
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11 {
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12 private final int pos;
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13
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14 public AppendChildAt(int _pos)
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15 {
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16 pos = _pos;
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17 }
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18
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19 public Either<Error, LoggingNode> _edit(LoggingNode _e)
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20 {
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21 Either<Error,LoggingNode> either = _e.getChildren().addNewChildAt(pos);
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22 if(either.isA()){
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23 // error
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24 return either;
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25 }
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26 return DefaultEither.newB(either.b());
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27 }
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28
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29 @Override
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30 public Either<Error, LoggingNode> edit(TreeNode _e) {
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31 LoggingNode logNode = wrap(_e);
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32 return _edit(logNode);
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33 }
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34
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35 public LoggingNode wrap(TreeNode node) {
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36 return new LoggingNode(node);
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37 }
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38
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39 @Override
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40 public LoggingNode wrap(TreeNode node, OperationLog op) {
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41 return new LoggingNode(node, op);
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42 }
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43
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44 }
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