001/*
002 * The contents of this file are subject to the terms of the Common Development and
003 * Distribution License (the License). You may not use this file except in compliance with the
004 * License.
005 *
006 * You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
007 * specific language governing permission and limitations under the License.
008 *
009 * When distributing Covered Software, include this CDDL Header Notice in each file and include
010 * the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
011 * Header, with the fields enclosed by brackets [] replaced by your own identifying
012 * information: "Portions copyright [year] [name of copyright owner]".
013 *
014 * Copyright 2015-2016 ForgeRock AS.
015 */
016package org.forgerock.util.promise;
017
018/**
019 * A completion handler for consuming exceptions which occur during the execution of
020 * asynchronous tasks.
021 *
022 * @param <E>
023 *            The type of exception consumed by the handler.
024 */
025// @FunctionalInterface
026public interface ExceptionHandler<E> {
027    /**
028     * Invoked when the asynchronous task has failed.
029     *
030     * @param exception
031     *            The exception indicating why the asynchronous task has failed.
032     */
033    void handleException(E exception);
034}