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.commons.lang3.concurrent; 018 019/** 020 * <p>Definition of an interface for a wrapper around a calculation that takes a single parameter and returns a result.</p> 021 * 022 * <p>This interface allows for wrapping a calculation into a class so that it maybe passed around an application.</p> 023 * 024 * @param <I> the type of the input to the calculation 025 * @param <O> the type of the output of the calculation 026 * 027 * @since 3.6 028 */ 029public interface Computable<I, O> { 030 031 /** 032 * This method carries out the given operation with the provided argument. 033 * 034 * @param arg 035 * the argument for the calculation 036 * @return the result of the calculation 037 * @throws InterruptedException 038 * thrown if the calculation is interrupted 039 */ 040 O compute(I arg) throws InterruptedException; 041}