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

annotate src/main/java/jp/ac/u_ryukyu/ie/cr/shoshi/jungle/store/impl/logger/LoggingChildren.java @ 103:bed3afd5c2e2

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add Index but Not use
author one
date Fri, 12 Sep 2014 14:37:09 +0900
parents 14ce7a0dedca
children 74723b26ad96
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1 package jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.logger;
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3 import java.util.Iterator;
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5 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.core.Children;
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6 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.TreeNode;
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7 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.AppendChildAtOperation;
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8 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.DeleteChildAtOperation;
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9 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.NodeOperation;
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10 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.DefaultEither;
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11 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Either;
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12 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Error;
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13 import jp.ac.u_ryukyu.ie.cr.tatsuki.jungle.store.index.Logging;
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15 public class LoggingChildren //implements EditableChildren
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16 {
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17 private final TreeNode wrap;
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18 private final OperationLog log;
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20 public LoggingChildren(TreeNode _wrap,OperationLog _log)
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21 {
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22 wrap = _wrap;
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23 log = _log;
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24 }
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26 public int size()
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27 {
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28 Children children = wrap.getChildren();
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29 return children.size();
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30 }
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32 /*
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33 @Override
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34 public Iterator<LoggingNode> iterator()
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35 {
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36 LoggingChildren children = wrap.getChildren();
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37 return children.iterator();
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38 }*/
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40 public Either<Error,Logging> edit(NodeOperation _op)
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41 {
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42 Either<Error,TreeNode> either = _op.invoke(wrap);
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43 if(either.isA()){
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44 return DefaultEither.newA(either.a());
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45 }
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47 TreeNode newWrap = either.b();
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48 OperationLog newLog = log.add(_op);
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49 Logging newLoggingNode = new LoggingNode(newWrap,newLog);
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50 return DefaultEither.newB(newLoggingNode);
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51 }
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53 public Either<Error,Logging> addNewChildAt(final int _pos)
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54 {
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55 NodeOperation addNewChildAt = new AppendChildAtOperation(_pos);
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56 return edit(addNewChildAt);
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57 }
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58
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59 public Either<Error,Logging> deleteChildAt(final int _pos)
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60 {
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61 NodeOperation deleteChildAt = new DeleteChildAtOperation(_pos);
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62 return edit(deleteChildAt);
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63 }
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65 public Either<Error,Logging> at(int _pos)
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66 {
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67 Children children = wrap.getChildren();
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68 Either<Error,TreeNode> either = children.at(_pos);
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69 if(either.isA()){
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70 return DefaultEither.newA(either.a());
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71 }
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73 TreeNode node = either.b();
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74 Logging logNode = new LoggingNode(node);
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75 return DefaultEither.newB(logNode);
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76 }
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77 }