/***********************************************************************************************************************
*
* 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.operators;
import eu.stratosphere.types.TypeInformation;
/**
* A class for holding information about a single input operator, such as input/output TypeInformation.
*
* @param <IN1> Output type of first input operator
* @param <IN2> Output type of second input operator
* @param <OUT> Output type of the records output by the operator described by this information
*/
public class BinaryOperatorInformation<IN1, IN2, OUT> extends OperatorInformation<OUT> {
/**
* Input type of the first input
*/
protected final TypeInformation<IN1> inputType1;
/**
* Input type of the second input
*/
protected final TypeInformation<IN2> inputType2;
/**
* @param inputType1 Input type of first input
* @param inputType2 Input type of second input
* @param outputType The output type of the operator
*/
public BinaryOperatorInformation(TypeInformation<IN1> inputType1, TypeInformation<IN2> inputType2, TypeInformation<OUT> outputType) {
super(outputType);
this.inputType1 = inputType1;
this.inputType2 = inputType2;
}
public TypeInformation<IN1> getFirstInputType() {
return inputType1;
}
public TypeInformation<IN2> getSecondInputType() {
return inputType2;
}
}