/*********************************************************************************************************************** * Copyright (C) 2010-2013 by the Stratosphere project (http://stratosphere.eu) * * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the * specific language governing permissions and limitations under the License. **********************************************************************************************************************/ package eu.stratosphere.hadoopcompatibility.datatypes; import java.io.Serializable; import eu.stratosphere.types.Record; /** * An interface describing a class that is able to * convert Stratosphere's Record into Hadoop types model. * * The converter must be Serializable. * * Stratosphere provides a DefaultStratosphereTypeConverter. Custom implementations should * chain the type converters. */ public interface StratosphereTypeConverter<K,V> extends Serializable { /** * Convert a Stratosphere type to a Hadoop type. */ public K convertKey(Record stratosphereRecord); public V convertValue(Record stratosphereRecord); }