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 License. 004 * 005 * You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the 006 * specific language governing permission and limitations under the License. 007 * 008 * When distributing Covered Software, include this CDDL Header Notice in each file and include 009 * the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL 010 * Header, with the fields enclosed by brackets [] replaced by your own identifying 011 * information: "Portions copyright [year] [name of copyright owner]". 012 * 013 * Copyright 2015 ForgeRock AS. 014 */ 015package org.forgerock.util.promise; 016 017/** 018 * The {@code NeverThrowsException} class is an uninstantiable placeholder 019 * exception which should be used for indicating that a {@link org.forgerock.util.Function} or 020 * {@link org.forgerock.util.AsyncFunction} never throws an exception (i.e. the function cannot 021 * fail). 022 */ 023public final class NeverThrowsException extends RuntimeException { 024 /** 025 * Serialization ID. 026 */ 027 private static final long serialVersionUID = 2879912363036916597L; 028 029 // Prevent instantiation. 030 private NeverThrowsException() { 031 throw new IllegalStateException(); 032 } 033}