001/* 002 * Copyright (c) 2007-2015 Concurrent, Inc. All Rights Reserved. 003 * 004 * Project and contact information: http://www.cascading.org/ 005 * 006 * This file is part of the Cascading project. 007 * 008 * Licensed under the Apache License, Version 2.0 (the "License"); 009 * you may not use this file except in compliance with the License. 010 * You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, software 015 * distributed under the License is distributed on an "AS IS" BASIS, 016 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 017 * See the License for the specific language governing permissions and 018 * limitations under the License. 019 */ 020 021package cascading.tuple.hadoop.io; 022 023import java.io.IOException; 024 025import cascading.tuple.Tuple; 026import cascading.tuple.hadoop.TupleSerialization; 027 028public class TupleDeserializer extends BaseDeserializer<Tuple> 029 { 030 public TupleDeserializer( TupleSerialization.SerializationElementReader elementReader ) 031 { 032 super( elementReader ); 033 } 034 035 public Tuple deserialize( Tuple tuple ) throws IOException 036 { 037 if( tuple == null ) 038 return inputStream.readTuple(); 039 040 return inputStream.readTuple( tuple ); 041 } 042 }