/***********************************************************************************************************************
* 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.java.record.operators;
import eu.stratosphere.api.common.operators.BinaryOperatorInformation;
import eu.stratosphere.api.common.operators.OperatorInformation;
import eu.stratosphere.api.common.operators.UnaryOperatorInformation;
import eu.stratosphere.api.java.typeutils.RecordTypeInfo;
import eu.stratosphere.types.Record;
public class OperatorInfoHelper {
public static OperatorInformation<Record> source() {
return new OperatorInformation<Record>(new RecordTypeInfo());
}
public static UnaryOperatorInformation<Record, Record> unary() {
return new UnaryOperatorInformation<Record, Record>(new RecordTypeInfo(), new RecordTypeInfo());
}
public static BinaryOperatorInformation<Record, Record, Record> binary() {
return new BinaryOperatorInformation<Record, Record, Record>(new RecordTypeInfo(), new RecordTypeInfo(), new RecordTypeInfo());
}
}