/* * Copyright 2012, We The Internet Ltd. * * All rights reserved. * * Distributed under a modified BSD License as follow: * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution, unless otherwise * agreed to in a written document signed by a director of We The Internet Ltd. * * Neither the name of We The Internet nor the names of its contributors may * be used to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ package xapi.util.api; /** * A simple success callback, compatible with gwt AsyncCallback * * @author James X. Nelson (james@wetheinter.net, @james) * * @param <Type> - The type of object / signal to be sent on success */ public interface SuccessHandler <Type> { /** * Called when an asynchronous process successfully returns. * @param t - An object to process on success. */ public void onSuccess(Type t); @SuppressWarnings("rawtypes") final SuccessHandler NO_OP = new DoNothing(); } class DoNothing implements SuccessHandler<Object>{ @Override public void onSuccess(Object t) {} }