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16
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1 package jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations;
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2
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55
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3 import java.nio.ByteBuffer;
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4
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18
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5 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.Command;
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92
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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.util.Either;
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8 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Error;
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81
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9
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18
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10
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50
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11 public final class AppendChildAtOperation implements NodeOperation
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16
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12 {
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50
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13 private final int pos;
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14
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15 public AppendChildAtOperation(int _pos)
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16 {
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17 pos = _pos;
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18 }
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19
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18
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20 public Command getCommand()
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21 {
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22 return Command.APPEND_CHILD;
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23 }
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24
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92
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25 @Override
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26 public Either<Error,TreeNode> invoke(TreeNode _target)
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50
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27 {
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92
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28 return _target.getChildren().addNewChildAt(pos);
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29 }
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55
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30
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31 @Override
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32 public int getPosition()
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33 {
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34 return pos;
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35 }
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36
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37 @Override
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38 public String getKey()
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39 {
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40 return null;
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41 }
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42
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43 @Override
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44 public ByteBuffer getValue()
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45 {
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46 return null;
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47 }
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16
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48 }
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