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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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78
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6 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.TreeNode;
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50
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7 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.DeleteChildAt;
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8 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Either;
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9 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Error;
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18
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10
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50
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11 public class DeleteChildAtOperation implements NodeOperation
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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 DeleteChildAtOperation(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 @Override
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21 public Command getCommand()
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22 {
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23 return Command.DELETE_CHILD;
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24 }
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25
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50
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26 @Override
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78
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27 public <T extends TreeNode<T>> Either<Error,T> invoke(T _target)
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50
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28 {
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29 DeleteChildAt deleteChildAt = new DeleteChildAt(pos);
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30 return deleteChildAt.edit(_target);
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31 }
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32
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33 @Override
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34 public int getPosition()
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35 {
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36 return pos;
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37 }
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38
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39 @Override
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40 public String getKey()
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41 {
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42 return null;
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43 }
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44
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45 @Override
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46 public ByteBuffer getValue()
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47 {
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48 return null;
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49 }
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16
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50 }
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