    001/*
    002 * Copyright (c) 2007-2017 Xplenty, 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 cascading.tuple.hadoop.TupleSerialization;
    024import cascading.tuple.io.ValueIndexTuple;
    025
    026public class ValueIndexTupleSerializer extends IndexTupleSerializer<ValueIndexTuple>
    027  {
    028  public ValueIndexTupleSerializer( TupleSerialization.SerializationElementWriter elementWriter )
    029    {
    030    super( elementWriter );
    031
    032    typeMap = elementWriter.getTupleSerialization().getMaskedValueTypeMap();
    033
    034    if( elementWriter.getTupleSerialization().areTypesRequired() )
    035      {
    036      if( typeMap == null || typeMap.isEmpty() )
    037        throw new IllegalStateException( "types are required to perform serialization" );
    038      }
    039    }
    040  }