| /* |
| * 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.wayang.flink.compiler; |
| |
| import org.apache.flink.api.common.functions.CoGroupFunction; |
| import org.apache.flink.util.Collector; |
| import org.apache.wayang.basic.data.Tuple2; |
| |
| /** |
| * Wrapper of {@Link CoGroupFunction} of Flink for use in Wayang |
| */ |
| public class FlinkCoGroupFunction<InputType0, InputType1, OutputType> implements CoGroupFunction<InputType0, InputType1, OutputType> { |
| |
| |
| @Override |
| public void coGroup(Iterable<InputType0> iterable, Iterable<InputType1> iterable1, Collector<OutputType> collector) throws Exception { |
| collector.collect((OutputType) new Tuple2<Iterable<InputType0>, Iterable<InputType1>>(iterable, iterable1)); |
| } |
| } |
