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

annotate src/main/java/jp/ac/u_ryukyu/ie/cr/shoshi/jungle/store/impl/logger/LoggingAttributes.java @ 144:0854f9a9e81d

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change attrs form TreeMap<String , ByteBuffer> →　TreeMap<String,List<ByteBuffer>>
author one
date Sun, 16 Nov 2014 06:40:48 +0900
parents 74723b26ad96
children 8a0aa8fc137c
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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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5 import fj.data.List;
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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.impl.TreeNodeAttributes;
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8 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.DeleteAttributeOperation;
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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.store.operations.PutAttributeOperation;
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11 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.DefaultEither;
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12 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Either;
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13 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Error;
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15 public class LoggingAttributes //implements EditableAttributes
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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 LoggingAttributes(TreeNode _wrap,OperationLog _log)
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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 List<ByteBuffer> get(String _key)
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27 {
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28 TreeNodeAttributes attributes = wrap.getAttributes();
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29 return attributes.get(_key);
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30 }
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32 private Either<Error,LoggingNode> edit(NodeOperation _op)
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33 {
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34 Either<Error,TreeNode> either = _op.invoke(wrap);
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35 if(either.isA()){
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36 return DefaultEither.newA(either.a());
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37 }
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39 TreeNode newNode = either.b();
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40 OperationLog newLog = log.add(_op);
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41 LoggingNode newLogNode = new LoggingNode(newNode,newLog);
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43 return DefaultEither.newB(newLogNode);
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44 }
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46 public Either<Error,LoggingNode> delete(final String _key)
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47 {
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49 DeleteAttributeOperation deleteAttribute = new DeleteAttributeOperation(_key);
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50 return edit(deleteAttribute);
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51 }
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53 public Either<Error,LoggingNode> put(final String _key,final ByteBuffer _value)
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54 {
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55 PutAttributeOperation putAttribute = new PutAttributeOperation(_key,_value);
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56 return edit(putAttribute);
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57 }
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58 }