    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}