1 /* 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.xml.internal.ws.api.server; 27 28 import com.sun.istack.internal.NotNull; 29 import com.sun.istack.internal.Nullable; 30 31 /** 32 * Callback interface to signal JAX-WS RI that the processing of an asynchronous request is complete. 33 * 34 * <p> 35 * The application is responsible for invoking one of the two defined methods to 36 * indicate the result of the request processing. 37 * 38 * <p> 39 * Both methods will return immediately, and the JAX-WS RI will 40 * send out an actual response at some later point. 41 * 42 * @author Jitendra Kotamraju 43 * @author Kohsuke Kawaguchi 44 * @since 2.1 45 * @see AsyncProvider 46 */ 47 public interface AsyncProviderCallback<T> { 48 /** 49 * Indicates that a request was processed successfully. 50 * 51 * @param response 52 * Represents an object to be sent back to the client 53 * as a response. To indicate one-way, response needs to be null 54 */ 55 void send(@Nullable T response); 56 57 /** 58 * Indicates that an error had occured while processing a request. 59 * 60 * @param t 61 * The error is propagated to the client. For example, if this is 62 * a SOAP-based web service, the server will send back a SOAP fault. 63 */ 64 void sendError(@NotNull Throwable t); 65 }