Subversion Repositories Code-Repo

// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
// http://code.google.com/p/protobuf/
//
// 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.
//     * Neither the name of Google Inc. 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
// OWNER 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 com.google.protobuf;

/**
 * Blocking equivalent to {@link Service}.
 *
 * @author kenton@google.com Kenton Varda
 * @author cpovirk@google.com Chris Povirk
 */
public interface BlockingService {
  /**
   * Equivalent to {@link Service#getDescriptorForType}.
   */
  Descriptors.ServiceDescriptor getDescriptorForType();

  /**
   * Equivalent to {@link Service#callMethod}, except that
   * {@code callBlockingMethod()} returns the result of the RPC or throws a
   * {@link ServiceException} if there is a failure, rather than passing the
   * information to a callback.
   */
  Message callBlockingMethod(Descriptors.MethodDescriptor method,
                             RpcController controller,
                             Message request) throws ServiceException;

  /**
   * Equivalent to {@link Service#getRequestPrototype}.
   */
  Message getRequestPrototype(Descriptors.MethodDescriptor method);

  /**
   * Equivalent to {@link Service#getResponsePrototype}.
   */
  Message getResponsePrototype(Descriptors.MethodDescriptor method);
}