001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.camel.util.function; 018 019/** 020 * Represents a function that produces a long-valued result and may thrown an exception. 021 * 022 * @param <I> the type of the input of the function 023 * @param <T> the type of the exception the accept method may throw 024 * 025 * @see java.util.function.ToLongFunction 026 */ 027@FunctionalInterface 028public interface ThrowingToLongFunction<I, T extends Throwable> { 029 /** 030 * Applies this function to the given argument, potentially throwing an exception. 031 * 032 * @param in the function argument 033 * @return the function result 034 * @throws T the exception that may be thrown 035 */ 036 long apply(I in) throws T; 037}