1 /*
   2  * Copyright (c) 2005, 2012, 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 javax.xml.ws;
  27 
  28 import java.util.concurrent.Future;
  29 
  30 /** The {@code Dispatch} interface provides support
  31  *  for the dynamic invocation of a service endpoint operations. The
  32  *  {@code javax.xml.ws.Service}
  33  *  class acts as a factory for the creation of {@code Dispatch}
  34  *  instances.
  35  *
  36  *  @since 1.6, JAX-WS 2.0
  37 **/
  38 public interface Dispatch<T> extends BindingProvider {
  39 
  40     /** Invoke a service operation synchronously.
  41      *
  42      * The client is responsible for ensuring that the {@code msg} object
  43      * when marshalled is formed according to the requirements of the protocol
  44      * binding in use.
  45      *
  46      * @param msg An object that will form the message or payload of
  47      *     the message used to invoke the operation.
  48      * @return The response message or message payload to the
  49      *     operation invocation.
  50      * @throws WebServiceException If a fault occurs during communication with
  51      *     the service
  52      * @throws WebServiceException If there is any error in the configuration of
  53      *     the {@code Dispatch} instance
  54     **/
  55     public T invoke(T msg);
  56 
  57     /** Invoke a service operation asynchronously.  The
  58      *  method returns without waiting for the response to the operation
  59      *  invocation, the results of the operation are obtained by polling the
  60      *  returned {@code Response}.
  61      * <p>
  62      * The client is responsible for ensuring that the {@code msg} object
  63      * when marshalled is formed according to the requirements of the protocol
  64      * binding in use.
  65      *
  66      * @param msg An object that will form the message or payload of
  67      *     the message used to invoke the operation.
  68      * @return The response message or message payload to the
  69      *     operation invocation.
  70      * @throws WebServiceException If there is any error in the configuration of
  71      *     the {@code Dispatch} instance
  72     **/
  73     public Response<T> invokeAsync(T msg);
  74 
  75     /** Invoke a service operation asynchronously. The
  76      *  method returns without waiting for the response to the operation
  77      *  invocation, the results of the operation are communicated to the client
  78      *  via the passed in {@code handler}.
  79      * <p>
  80      * The client is responsible for ensuring that the {@code msg} object
  81      * when marshalled is formed according to the requirements of the protocol
  82      * binding in use.
  83      *
  84      * @param msg An object that will form the message or payload of
  85      *     the message used to invoke the operation.
  86      * @param handler The handler object that will receive the
  87      *     response to the operation invocation.
  88      * @return A {@code Future} object that may be used to check the status
  89      *     of the operation invocation. This object MUST NOT be used to try to
  90      *     obtain the results of the operation - the object returned from
  91      *     {@code Future<?>.get()} is implementation dependent
  92      *     and any use of it will result in non-portable behaviour.
  93      * @throws WebServiceException If there is any error in the configuration of
  94      *     the {@code Dispatch} instance
  95     **/
  96     public Future<?> invokeAsync(T msg, AsyncHandler<T> handler);
  97 
  98     /** Invokes a service operation using the one-way
  99      *  interaction mode. The operation invocation is logically non-blocking,
 100      *  subject to the capabilities of the underlying protocol, no results
 101      *  are returned. When
 102      *  the protocol in use is SOAP/HTTP, this method MUST block until
 103      *  an HTTP response code has been received or an error occurs.
 104      * <p>
 105      * The client is responsible for ensuring that the {@code msg} object
 106      * when marshalled is formed according to the requirements of the protocol
 107      * binding in use.
 108      *
 109      * @param msg An object that will form the message or payload of
 110      *     the message used to invoke the operation.
 111      * @throws WebServiceException If there is any error in the configuration of
 112      *     the {@code Dispatch} instance or if an error occurs during the
 113      *     invocation.
 114     **/
 115     public void invokeOneWay(T msg);
 116 }