Mercurial > hg > Database > jungle-network

comparison src/alice/jungle/transaction/NetworkDefaultJungleTreeEditor.java @ 31:190f6a3bdab2

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rename some packages
author one
date Mon, 01 Jul 2013 20:34:03 +0900
parents src/jungle/test/transaction/NetworkDefaultJungleTreeEditor.java@e968224ad0ce
children 2f1879e0acec
comparison
equal deleted inserted replaced
30:8593c2525aa7 31:190f6a3bdab2
1 package alice.jungle.transaction;
2
3 import java.nio.ByteBuffer;
4
5 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.JungleTreeEditor;
6 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.core.Node;
7 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.NodePath;
8 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.TreeEditor;
9 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.TreeNode;
10 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.logger.DefaultTreeOperationLog;
11 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.logger.LoggingNodeHook;
12 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.logger.OperationLog;
13 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.logger.TreeOperationLog;
14 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.DefaultTreeOperation;
15 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.NodeOperation;
16 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.TreeOperation;
17 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.AppendChildAt;
18 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.DeleteAttribute;
19 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.DeleteChildAt;
20 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.NodeEditor;
21 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.PutAttribute;
22 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.transaction.DefaultJungleTreeEditor;
23 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.transaction.TransactionManager;
24 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.DefaultEither;
25 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Either;
26 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Error;
27 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.IterableConverter;
28
29 public class NetworkDefaultJungleTreeEditor<T extends TreeNode<T>> implements JungleTreeEditor {
30
31 private final TransactionManager<T> txManager;
32 private final T root;
33 private final TreeEditor editor;
34 private final TreeOperationLog log;
35
36 public NetworkDefaultJungleTreeEditor(T _root,TransactionManager<T> _txManager,TreeEditor _editor)
37 {
38 this(_root,_txManager,_editor,new DefaultTreeOperationLog());
39 }
40
41 public NetworkDefaultJungleTreeEditor(T _root,TransactionManager<T> _txManager,TreeEditor _editor,TreeOperationLog _log)
42 {
43 root = _root;
44 txManager = _txManager;
45 editor = _editor;
46 log = _log;
47 }
48
49 private Either<Error,JungleTreeEditor> _edit(final NodePath _path,NodeEditor _e)
50 {
51 LoggingNodeHook hook = new LoggingNodeHook(_e);
52 Either<Error,T> either = editor.edit(root,_path,hook);
53 if(either.isA()){
54 return DefaultEither.newA(either.a());
55 }
56
57 T newNode = either.b();
58 OperationLog newLog = hook.getLog();
59
60 IterableConverter.Converter<TreeOperation,NodeOperation> converter = new IterableConverter.Converter<TreeOperation,NodeOperation>(){
61 @Override
62 public TreeOperation conv(NodeOperation _b){
63 return new DefaultTreeOperation(_path,_b);
64 }
65 };
66
67 Iterable<TreeOperation> iterable = new IterableConverter<TreeOperation,NodeOperation>(newLog,converter);
68 DefaultTreeOperationLog treeOperationLog = new DefaultTreeOperationLog(iterable,newLog.length());
69 TreeOperationLog newTreeOpLog = log.append(treeOperationLog);
70
71 JungleTreeEditor newEditor = new NetworkDefaultJungleTreeEditor<T>(newNode,txManager,editor,newTreeOpLog);
72 return DefaultEither.newB(newEditor);
73 }
74
75 @Override
76 public Either<Error,JungleTreeEditor> addNewChildAt(NodePath _path, int _pos)
77 {
78 AppendChildAt appendChildAt = new AppendChildAt(_pos);
79 return _edit(_path,appendChildAt);
80 }
81
82 @Override
83 public Either<Error,JungleTreeEditor> deleteChildAt(NodePath _path, int _pos)
84 {
85 DeleteChildAt deleteChildAt = new DeleteChildAt(_pos);
86 return _edit(_path,deleteChildAt);
87 }
88
89 @Override
90 public Either<Error,JungleTreeEditor> putAttribute(NodePath _path,String _key,ByteBuffer _value)
91 {
92 PutAttribute putAttribute = new PutAttribute(_key,_value);
93 return _edit(_path,putAttribute);
94 }
95
96 @Override
97 public Either<Error,JungleTreeEditor> deleteAttribute(NodePath _path, String _key)
98 {
99 DeleteAttribute deleteAttribute = new DeleteAttribute(_key);
100 return _edit(_path,deleteAttribute);
101 }
102
103 @Override
104 public Either<Error,JungleTreeEditor> edit(NodePath _path,NodeEditor _editor)
105 {
106 return _edit(_path,_editor);
107 }
108
109 @Override
110 public Either<Error,JungleTreeEditor> success()
111 {
112 Either<Error,TransactionManager<T>> either = txManager.commit(root,log);
113 if(either.isA()){
114 return DefaultEither.newA(either.a());
115 }
116
117 TransactionManager<T> newTxManager = either.b();
118 JungleTreeEditor newTreeEditor = new NetworkDefaultJungleTreeEditor<T>(root,newTxManager,editor);
119
120 return DefaultEither.newB(newTreeEditor);
121 }
122
123 @Override
124 public String getID()
125 {
126 return txManager.getUUID();
127 }
128
129 @Override
130 public String getRevision()
131 {
132 return Long.toString(txManager.getRevision());
133 }
134
135 @Override
136 public Node getRoot()
137 {
138 return null;
139 }
140
141 public JungleTreeEditor setNewLogAndGetEditor(TreeOperationLog _log) {
142 JungleTreeEditor newEditor = new NetworkDefaultJungleTreeEditor<T>(root,txManager,editor, _log);
143 return newEditor;
144 }
145
146 public TreeOperationLog getTreeOperationLog() {
147 return log;
148 }
149
150
151 }