Github user tillrohrmann commented on a diff in the pull request: https://github.com/apache/flink/pull/5487#discussion_r170014030 --- Diff: flink-core/src/main/java/org/apache/flink/util/function/BiConsumerWithException.java --- @@ -0,0 +1,50 @@ +/* + * 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.util.function; + +import java.util.function.BiConsumer; + +/** + * A checked extension of the {@link BiConsumer} interface. + * + * @param <T> type of the first argument + * @param <U> type of the second argument + * @param <E> type of the thrown exception + */ +@FunctionalInterface +public interface BiConsumerWithException<T, U, E extends Throwable> extends BiConsumer<T, U> { + + /** + * Performs this operation on the given arguments. + * + * @param t the first input argument + * @param u the second input argument + * @throws E in case of an error + */ + void acceptWithException(T t, U u) throws E; + + @Override + default void accept(T t, U u) { + try { + acceptWithException(t, u); + } catch (Throwable e) { --- End diff -- True, will change it to `ExceptionUtils.rethrow`.
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