Mercurial > hg > Database > jungle-sharp

annotate Main/jungle-main/store/impl/logger/LoggingChildren.cs @ 28:9588ad364fdd

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Last commit before change.
author Kazuma Takeda
date Wed, 18 Jan 2017 19:53:29 +0900
parents 1f99e150f336
children f2ea780b3e80
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20
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1 using System.Collections;
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2 using UnityEngine;
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3
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4 namespace JungleDB {
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5 public class LoggingChildren {
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6 private TreeNode wrap;
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7 private OperationLog log;
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8
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9 public LoggingChildren(TreeNode _wrap,OperationLog _log)
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10 {
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11 wrap = _wrap;
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12 log = _log;
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13 }
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14
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15 public int size()
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16 {
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17 Children children = wrap.getChildren();
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18 return children.size();
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19 }
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20
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21 public Either<Error,LoggingNode> edit(NodeOperation _op)
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22 {
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23 Either<Error,TreeNode> either = _op.invoke(wrap);
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24 if(either.isA()){
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25 return DefaultEither<Error,LoggingNode>.newA(either.a());
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26 }
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27
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28 TreeNode newWrap = either.b();
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29 OperationLog newLog = log.add(_op);
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30 LoggingNode newLoggingNode = new LoggingNode(newWrap,newLog);
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31 return DefaultEither<Error,LoggingNode>.newB(newLoggingNode);
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32 }
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33
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34 public Either<Error,LoggingNode> addNewChildAt(int _pos)
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35 {
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36 NodeOperation addNewChildAt = new AppendChildAtOperation(_pos);
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37 return edit(addNewChildAt);
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38 }
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39
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40 public Either<Error,LoggingNode> deleteChildAt(int _pos)
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41 {
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42 NodeOperation deleteChildAt = new DeleteChildAtOperation(_pos);
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43 return edit(deleteChildAt);
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44 }
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45
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46 public Either<Error,LoggingNode> at(int _pos)
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47 {
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48 Children children = wrap.getChildren();
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49 Either<Error,TreeNode> either = children.at(_pos);
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50 if(either.isA()){
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51 return DefaultEither<Error,LoggingNode>.newA(either.a());
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52 }
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53
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54 TreeNode node = either.b();
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55 LoggingNode logNode = new LoggingNode(node);
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56 return DefaultEither<Error,LoggingNode>.newB(logNode);
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57 }
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58
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59 }
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60 }