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1 package jp.ac.u_ryukyu.ie.cr.jungle.store.operations;
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2
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3 import java.nio.ByteBuffer;
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4
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5 import jp.ac.u_ryukyu.ie.cr.jungle.util.Either;
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6 import jp.ac.u_ryukyu.ie.cr.jungle.store.Command;
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7 import jp.ac.u_ryukyu.ie.cr.jungle.store.impl.TreeNode;
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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
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11 public class PutAttributeOperation implements NodeOperation
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12 {
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13 private final String key;
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14 private final ByteBuffer value;
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15
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16 public PutAttributeOperation(String _key,ByteBuffer _value)
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17 {
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18 key = _key;
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19 value = _value;
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20 }
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21
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22 @Override
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23 public Command getCommand()
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24 {
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25 return Command.PUT_ATTRIBUTE;
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26 }
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27
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28 @Override
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29 public Either<Error,TreeNode> invoke(TreeNode _target)
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30 {
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31 return _target.getAttributes().put(key,value);
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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 -1;
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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 key;
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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 value;
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49 }
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50 } |
