/*
* 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.functions.co;
import org.apache.flink.annotation.PublicEvolving;
import org.apache.flink.api.common.functions.AbstractRichFunction;
import org.apache.flink.api.common.functions.RichFunction;
/**
* Rich variant of the {@link CoProcessFunction}. As a {@link RichFunction}, it gives
* access to the {@link org.apache.flink.api.common.functions.RuntimeContext} and provides
* setup and teardown methods: {@link RichFunction#open(org.apache.flink.configuration.Configuration)}
* and {@link RichFunction#close()}.
*
* @param <IN1> Type of the first input.
* @param <IN2> Type of the second input.
* @param <OUT> Type of the returned elements.
*/
@PublicEvolving
public abstract class RichCoProcessFunction<IN1, IN2, OUT>
extends AbstractRichFunction
implements CoProcessFunction<IN1, IN2, OUT> {
private static final long serialVersionUID = 1L;
}