/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.flink.streaming.api.operators.co;
import org.apache.flink.annotation.Internal;
import org.apache.flink.streaming.api.functions.co.CoMapFunction;
import org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator;
import org.apache.flink.streaming.api.operators.TwoInputStreamOperator;
import org.apache.flink.streaming.runtime.streamrecord.StreamRecord;
/**
* {@link org.apache.flink.streaming.api.operators.StreamOperator} for processing
* {@link CoMapFunction CoMapFunctions}.
*/
@Internal
public class CoStreamMap<IN1, IN2, OUT>
extends AbstractUdfStreamOperator<OUT, CoMapFunction<IN1, IN2, OUT>>
implements TwoInputStreamOperator<IN1, IN2, OUT> {
private static final long serialVersionUID = 1L;
public CoStreamMap(CoMapFunction<IN1, IN2, OUT> mapper) {
super(mapper);
}
@Override
public void processElement1(StreamRecord<IN1> element) throws Exception {
output.collect(element.replace(userFunction.map1(element.getValue())));
}
@Override
public void processElement2(StreamRecord<IN2> element) throws Exception {
output.collect(element.replace(userFunction.map2(element.getValue())));
}
}