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

annotate src/main/java/jp/ac/u_ryukyu/ie/cr/shoshi/jungle/store/impl/logger/LoggingAttributes.java @ 25:1b448f9249ee

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author Shoshi TAMAKI
date Sun, 13 Jan 2013 20:52:19 +0900
parents 3ef2a66a8c5d
children 418088ca2b30
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1 package jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.logger;
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3 import java.nio.ByteBuffer;
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4 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.DeleteAttributeOperation;
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5 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.Operation;
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6 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.SetAttributeOperation;
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7 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.EditableAttributes;
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8 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.EditableNode;
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9 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.DefaultEither;
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10 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Either;
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11 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Error;
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13 public class LoggingAttributes implements EditableAttributes
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14 {
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15 private final EditableAttributes wrap;
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16 private final Logger log;
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18 public LoggingAttributes(EditableAttributes _wrap,Logger _log)
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19 {
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20 wrap = _wrap;
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21 log = _log;
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22 }
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24 @Override
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25 public ByteBuffer get(String _key)
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26 {
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27 return wrap.get(_key);
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28 }
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30 @Override
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31 public Either<Error,EditableNode> delete(final String _key)
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32 {
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33
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34 Either<Error,EditableNode> either = wrap.delete(_key);
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35 if(either.isA()){
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36 return either;
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37 }
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38
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39 Operation opDelete = new DeleteAttributeOperation(){
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40 @Override
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41 public String getKey(){
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42 return _key;
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43 }
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44 };
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46 Logger newLog = log.add(opDelete);
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47 EditableNode newWrap = either.b();
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48 EditableNode newLoggingNode = new LoggingNode(newWrap,newLog);
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49
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50 return DefaultEither.newB(newLoggingNode);
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51 }
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53 @Override
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54 public Either<Error,EditableNode> put(final String _key,final ByteBuffer _value)
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55 {
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56 Either<Error,EditableNode> either = wrap.put(_key,_value);
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57 if(either.isA()){
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58 return either;
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59 }
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61 Operation opPut = new SetAttributeOperation(){
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62 @Override
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63 public String getKey(){
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64 return _key;
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65 }
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67 @Override
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68 public ByteBuffer getValue(){
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69 return _value;
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70 }
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71 };
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72
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73 Logger newLog = log.add(opPut);
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74 EditableNode newLoggingNode = new LoggingNode(either.b(),newLog);
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75
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76 return DefaultEither.newB(newLoggingNode);
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77 }
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78 }