1// Protocol Buffers - Google's data interchange format
2// Copyright 2008 Google Inc.  All rights reserved.
3// http://code.google.com/p/protobuf/
4//
5// Redistribution and use in source and binary forms, with or without
6// modification, are permitted provided that the following conditions are
7// met:
8//
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10// notice, this list of conditions and the following disclaimer.
11//     * Redistributions in binary form must reproduce the above
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13// in the documentation and/or other materials provided with the
14// distribution.
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17// this software without specific prior written permission.
18//
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20// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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22// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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30
31package com.google.protobuf;
32
33/**
34 * Blocking equivalent to {@link Service}.
35 *
36 * @author kenton@google.com Kenton Varda
37 * @author cpovirk@google.com Chris Povirk
38 */
39public interface BlockingService {
40  /**
41   * Equivalent to {@link Service#getDescriptorForType}.
42   */
43  Descriptors.ServiceDescriptor getDescriptorForType();
44
45  /**
46   * Equivalent to {@link Service#callMethod}, except that
47   * {@code callBlockingMethod()} returns the result of the RPC or throws a
48   * {@link ServiceException} if there is a failure, rather than passing the
49   * information to a callback.
50   */
51  Message callBlockingMethod(Descriptors.MethodDescriptor method,
52                             RpcController controller,
53                             Message request) throws ServiceException;
54
55  /**
56   * Equivalent to {@link Service#getRequestPrototype}.
57   */
58  Message getRequestPrototype(Descriptors.MethodDescriptor method);
59
60  /**
61   * Equivalent to {@link Service#getResponsePrototype}.
62   */
63  Message getResponsePrototype(Descriptors.MethodDescriptor method);
64}
65