Mercurial > hg > Members > nobuyasu > jungle-network

comparison src/alice/jungle/operations/NetworkAppendChildAtOperation.java @ 71:f1aef52c0611

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Added NetworkAppendChildAtTest
author one
date Fri, 11 Oct 2013 18:24:46 +0900
parents
children 9e3198bf9547
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70:892bac9ac118 71:f1aef52c0611
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
11 import org.msgpack.annotation.Message;
12
13 import alice.jungle.datasegment.store.transformer.NetworkAppendChildAt;
14
15
16 @Message
17 public class NetworkAppendChildAtOperation implements NodeOperation {
18
19 // private final int pos;
20 /* MessagePack can not handle final.*/
21 private int pos;
22
23 /* Position -1 represent root position. */
24 public NetworkAppendChildAtOperation() { pos = -2; }
25
26 public NetworkAppendChildAtOperation(int _pos) {
27 pos = _pos;
28 }
29
30 @Override
31 public Command getCommand() {
32 return Command.APPEND_CHILD;
33 }
34
35 @Override
36 public <T extends EditableNode<T>> Either<Error, T> invoke(T _target) {
37 NetworkAppendChildAt appendChildAt = new NetworkAppendChildAt(pos);
38 return appendChildAt.edit(_target);
39 }
40
41 @Override
42 public int getPosition() {
43 return pos;
44 }
45
46 @Override
47 public String getKey() {
48 return null;
49 }
50
51 @Override
52 public ByteBuffer getValue() {
53 return null;
54 }
55 }