/***********************************************************************************************************************
* 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.api.common.functions;
import eu.stratosphere.util.Collector;
/**
* @param <V1> First input type
* @param <V2> Second input type
* @param <O> Output type
*/
public interface GenericCrosser<V1, V2, O> extends Function {
/**
* User defined function for the cross operator.
*
* @param record1 Record from first input
* @param record2 Record from the second input
* @param out Collector to submit resulting records.
* @throws Exception
*/
void cross(V1 record1, V2 record2, Collector<O> out) throws Exception;
}