Mercurial > hg > Members > tatsuki > bench > jungle-core
view src/main/java/jp/ac/u_ryukyu/ie/cr/shoshi/jungle/store/impl/logger/LoggingAttributes.java @ 31:418088ca2b30
added Generics parameters to EditableNode framework
author | Shoshi TAMAKI |
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date | Wed, 16 Jan 2013 03:23:57 +0900 |
parents | 1b448f9249ee |
children | 35e327577b58 |
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package jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.impl.logger; import java.nio.ByteBuffer; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.DeleteAttributeOperation; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.Operation; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.SetAttributeOperation; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.EditableAttributes; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.EditableNode; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.DefaultEither; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Either; import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Error; public class LoggingAttributes<T extends EditableNode<T>> implements EditableAttributes<LoggingNode<T>> { private final EditableAttributes<T> wrap; private final Logger log; public LoggingAttributes(EditableAttributes<T> _wrap,Logger _log) { wrap = _wrap; log = _log; } @Override public ByteBuffer get(String _key) { return wrap.get(_key); } @Override public Either<Error,LoggingNode<T>> delete(final String _key) { Either<Error,T> either = wrap.delete(_key); if(either.isA()){ return DefaultEither.newA(either.a()); } Operation opDelete = new DeleteAttributeOperation(){ @Override public String getKey(){ return _key; } }; Logger newLog = log.add(opDelete); T newWrap = either.b(); LoggingNode<T> newLoggingNode = new LoggingNode<T>(newWrap,newLog); return DefaultEither.newB(newLoggingNode); } @Override public Either<Error,LoggingNode<T>> put(final String _key,final ByteBuffer _value) { Either<Error,T> either = wrap.put(_key,_value); if(either.isA()){ return DefaultEither.newA(either.a()); } Operation opPut = new SetAttributeOperation(){ @Override public String getKey(){ return _key; } @Override public ByteBuffer getValue(){ return _value; } }; Logger newLog = log.add(opPut); LoggingNode<T> newLoggingNode = new LoggingNode<T>(either.b(),newLog); return DefaultEither.newB(newLoggingNode); } }