/* * 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.optimizer.util; import java.util.List; import org.apache.flink.api.common.ExecutionConfig; import org.apache.flink.api.common.functions.RuntimeContext; import org.apache.flink.api.common.functions.util.NoOpFunction; import org.apache.flink.api.common.operators.BinaryOperatorInformation; import org.apache.flink.api.common.operators.DualInputOperator; import org.apache.flink.api.common.operators.util.UserCodeClassWrapper; import org.apache.flink.api.common.typeinfo.TypeInformation; public class NoOpBinaryUdfOp<OUT> extends DualInputOperator<OUT, OUT, OUT, NoOpFunction> { public NoOpBinaryUdfOp(TypeInformation<OUT> type) { super(new UserCodeClassWrapper<NoOpFunction>(NoOpFunction.class), new BinaryOperatorInformation<OUT, OUT, OUT>(type, type, type), "NoContract"); } @Override protected List<OUT> executeOnCollections(List<OUT> inputData1, List<OUT> inputData2, RuntimeContext runtimeContext, ExecutionConfig executionConfig) { throw new UnsupportedOperationException(); } }