Mercurial > hg > Members > tatsuki > bench > jungle-core

comparison src/main/java/jp/ac/u_ryukyu/ie/cr/shoshi/jungle/store/impl/logger/LoggingNode.java @ 175:e26462a38ce0

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add push pop
author tatsuki
date Fri, 06 Mar 2015 10:44:50 +0900
parents 371b6ddb78f2
children
comparison
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173:f26535302c96 175:e26462a38ce0
1 package jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.logger; 1 package jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.logger;
2 2
3 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.TreeNode; 3 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.TreeNode;
4 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.NodeOperation;
5 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.ReplaceRootNodeOperation;
6 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.DefaultEither;
7 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Either;
8 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Error;
4 9
5 10
6 public class LoggingNode 11 public class LoggingNode
7 { 12 {
13
14 private final TreeNode wrap;
15 private final OperationLog log;
16
8 public LoggingNode(TreeNode _wrap) 17 public LoggingNode(TreeNode _wrap)
9 { 18 {
10 this(_wrap,new DefaultOperationLog()); 19 this(_wrap,new DefaultOperationLog());
11 } 20 }
12 21
13 public LoggingNode(TreeNode _wrap,OperationLog _log) 22 public LoggingNode(TreeNode _wrap,OperationLog _log)
14 { 23 {
15 wrap = _wrap; 24 wrap = _wrap;
16 log = _log; 25 log = _log;
17 } 26 }
18
19 private final TreeNode wrap;
20 private final OperationLog log;
21 27
22 public LoggingAttributes getAttributes() 28 public LoggingAttributes getAttributes()
23 { 29 {
24 return new LoggingAttributes(wrap,log); 30 return new LoggingAttributes(wrap,log);
25 } 31 }
33 public OperationLog getOperationLog() 39 public OperationLog getOperationLog()
34 { 40 {
35 return log; 41 return log;
36 } 42 }
37 43
38 public TreeNode getWrap()
39 {
40 return wrap;
41 }
42 44
45 public Either<Error, LoggingNode> replaceNewRootNode() {
46 NodeOperation replaceRootNode = new ReplaceRootNodeOperation();
47 return edit(replaceRootNode);
48 }
49
50 public Either<Error, LoggingNode> edit(NodeOperation op){
51 Either<Error,TreeNode> either = op.invoke(wrap);
52 if(either.isA()){
53 return DefaultEither.newA(either.a());
54 }
55
56 TreeNode newWrap = either.b();
57 OperationLog newLog = log.add(op);
58 LoggingNode newLoggingNode = new LoggingNode(newWrap,newLog);
59 return DefaultEither.newB(newLoggingNode);
60 }
61
62 public TreeNode getWrap()
63 {
64 return wrap;
65 }
43 } 66 }