Mercurial > hg > Members > kazuma > jungle-ormapper
comparison src/main/java/jp/ac/u_ryukyu/ie/cr/jungle/store/operations/ReplaceRootNodeOperation.java @ 0:44465893e8b8
first Commit
| author | Kazuma |
|---|---|
| date | Wed, 30 Nov 2016 01:47:55 +0900 |
| parents | |
| children |
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| -1:000000000000 | 0:44465893e8b8 |
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| 1 package jp.ac.u_ryukyu.ie.cr.jungle.store.operations; | |
| 2 | |
| 3 import java.nio.ByteBuffer; | |
| 4 | |
| 5 import jp.ac.u_ryukyu.ie.cr.jungle.store.Command; | |
| 6 import jp.ac.u_ryukyu.ie.cr.jungle.util.Either; | |
| 7 import jp.ac.u_ryukyu.ie.cr.jungle.store.impl.TreeNode; | |
| 8 import jp.ac.u_ryukyu.ie.cr.jungle.util.Error; | |
| 9 | |
| 10 public class ReplaceRootNodeOperation implements NodeOperation { | |
| 11 | |
| 12 @Override | |
| 13 public Command getCommand() { | |
| 14 return Command.REPLACE_ROOT; | |
| 15 } | |
| 16 | |
| 17 @Override | |
| 18 public Either<Error, TreeNode> invoke(TreeNode target) { | |
| 19 return target.appendRootNode(); | |
| 20 } | |
| 21 | |
| 22 @Override | |
| 23 public int getPosition() { | |
| 24 return -1; | |
| 25 } | |
| 26 | |
| 27 @Override | |
| 28 public String getKey() { | |
| 29 return null; | |
| 30 } | |
| 31 | |
| 32 @Override | |
| 33 public ByteBuffer getValue() { | |
| 34 return null; | |
| 35 } | |
| 36 | |
| 37 } |