Mercurial > hg > Members > nobuyasu > jungle-network

comparison src/main/java/alice/jungle/operations/NetworkAppendChildAtOperation.java @ 105:f9e29a52efd3

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Move some files
author one
date Tue, 26 Nov 2013 06:43:10 +0900
parents src/alice/jungle/operations/NetworkAppendChildAtOperation.java@0055d917c796
children 6f104ab4eb81
comparison
equal deleted inserted replaced
104:03bf62bb699e 105:f9e29a52efd3
1 package alice.jungle.operations;
2
3 import java.nio.ByteBuffer;
4
5 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.Command;
6 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.NodeOperation;
7 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.EditableNode;
8 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Either;
9 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Error;
10 import alice.jungle.datasegment.transformer.NetworkAppendChildAt;
11
12 import org.msgpack.annotation.Message;
13
14
15 @Message
16 public class NetworkAppendChildAtOperation implements NodeOperation {
17
18 /* MessagePack cannot handle final.*/
19 // private final int pos;
20 private int pos;
21
22 /* Position -1 represent root position. */
23 public NetworkAppendChildAtOperation() { pos = -2; }
24
25 public NetworkAppendChildAtOperation(int _pos) {
26 pos = _pos;
27 }
28
29 @Override
30 public Command getCommand() {
31 return Command.APPEND_CHILD;
32 }
33
34 @Override
35 public <T extends EditableNode<T>> Either<Error, T> invoke(T _target) {
36 NetworkAppendChildAt appendChildAt = new NetworkAppendChildAt(pos);
37 return appendChildAt.edit(_target);
38 }
39
40 @Override
41 public int getPosition() {
42 return pos;
43 }
44
45 @Override
46 public String getKey() {
47 return null;
48 }
49
50 @Override
51 public ByteBuffer getValue() {
52 return null;
53 }
54 }