@@ -0,0 +1,2383 @@
+/*%0A * Licensed to the Apache Software Foundation (ASF) under one%0A * or more contributor license agreements.  See the NOTICE file%0A * distributed with this work for additional information%0A * regarding copyright ownership.  The ASF licenses this file%0A * to you under the Apache License, Version 2.0 (the%0A * %22License%22); you may not use this file except in compliance%0A * with the License.  You may obtain a copy of the License at%0A *%0A *    http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0A%0Apackage org.apache.flink.util.function;%0A%0Aimport org.apache.flink.annotation.PublicEvolving;%0Aimport org.apache.flink.util.ExceptionUtils;%0A%0Aimport java.util.function.BiFunction;%0A%0A/**%0A * Function which takes three arguments.%0A *%0A * @param %3CS%3E type of the first argument%0A * @param %3CT%3E type of the second argument%0A * @param %3CU%3E type of the third argument%0A * @param %3CR%3E type of the return value%0A * @param %3CE%3E type of the thrown exception%0A */%0A@PublicEvolving%0A@FunctionalInterface%0Apublic interface TriFunctionWithException%3CS, T, U, R, E extends Throwable%3E %7B%0A%0A%09/**%0A%09 * Applies this function to the given arguments.%0A%09 *%0A%09 * @param s the first function argument%0A%09 * @param t the second function argument%0A%09 * @param u the third function argument%0A%09 * @return the function result%0A%09 * @throws E if it fails%0A%09 */%0A%09R apply(S s, T t, U u) throws E;%0A%0A%09/**%0A%09 * Convert at %7B@link TriFunctionWithException%7D into a %7B@link TriFunction%7D.%0A%09 *%0A%09 * @param triFunctionWithException function with exception to convert into a function%0A%09 * @param %3CA%3E first input type%0A%09 * @param %3CB%3E second input type%0A%09 * @param %3CC%3E third input type%0A%09 * @param %3CD%3E output type%0A%09 * @return %7B@link BiFunction%7D which throws all checked exception as an unchecked exception.%0A%09 */%0A%09static %3CA, B, C, D%3E TriFunction%3CA, B, C, D%3E unchecked(TriFunctionWithException%3CA, B, C, D, ?%3E triFunctionWithException) %7B%0A%09%09return (A a, B b, C c) -%3E %7B%0A%09%09%09try %7B%0A%09%09%09%09return triFunctionWithException.apply(a, b, c);%0A%09%09%09%7D catch (Throwable t) %7B%0A%09%09%09%09ExceptionUtils.rethrow(t);%0A%09%09%09%09// we need this to appease the compiler :-(%0A%09%09%09%09return null;%0A%09%09%09%7D%0A%09%09%7D;%0A%09%7D%0A%7D%0A

Add TriFunctionWithException