Imported protobuf-csharp-port into csharp/ tree

1 files changed, 102 insertions, 0 deletions

diff --git a/csharp/src/ProtocolBuffers/IService.cs b/csharp/src/ProtocolBuffers/IService.cs
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+++ b/csharp/src/ProtocolBuffers/IService.cs
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+#region Copyright notice and license

+

+// Protocol Buffers - Google's data interchange format

+// Copyright 2008 Google Inc.  All rights reserved.

+// http://github.com/jskeet/dotnet-protobufs/

+// Original C++/Java/Python code:

+// 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.

+

+#endregion

+

+using System;

+using Google.ProtocolBuffers.Descriptors;

+

+namespace Google.ProtocolBuffers

+{

+    /// <summary>

+    /// Base interface for protocol-buffer-based RPC services. Services themselves

+    /// are abstract classes (implemented either by servers or as stubs) but they

+    /// implement this itnerface. The methods of this interface can be used to call

+    /// the methods of the service without knowing its exact type at compile time

+    /// (analagous to the IMessage interface).

+    /// </summary>

+    public interface IService

+    {

+        /// <summary>

+        /// The ServiceDescriptor describing this service and its methods.

+        /// </summary>

+        ServiceDescriptor DescriptorForType { get; }

+

+        /// <summary>

+        /// Call a method of the service specified by MethodDescriptor.  This is

+        /// normally implemented as a simple switch that calls the standard

+        /// definitions of the service's methods.

+        /// <para>

+        /// Preconditions

+        /// <list>

+        /// <item><c>method.Service == DescriptorForType</c></item>

+        /// <item>request is of the exact same class as the object returned by GetRequestPrototype(method)</item>

+        /// <item>controller is of the correct type for the RPC implementation being used by this service.

+        /// For stubs, the "correct type" depends on the IRpcChannel which the stub is using. Server-side

+        /// implementations are expected to accept whatever type of IRpcController the server-side RPC implementation

+        /// uses.</item>

+        /// </list>

+        /// </para>

+        /// <para>

+        /// Postconditions

+        /// <list>

+        /// <item><paramref name="done" /> will be called when the method is complete.

+        /// This may before CallMethod returns or it may be at some point in the future.</item>

+        /// <item>The parameter to <paramref name="done"/> is the response. It will be of the

+        /// exact same type as would be returned by <see cref="GetResponsePrototype"/>.</item>

+        /// <item>If the RPC failed, the parameter to <paramref name="done"/> will be null.

+        /// Further details about the failure can be found by querying <paramref name="controller"/>.</item>

+        /// </list>

+        /// </para>

+        /// </summary>

+        void CallMethod(MethodDescriptor method, IRpcController controller,

+                        IMessage request, Action<IMessage> done);

+

+        /// <summary>

+        /// CallMethod requires that the request passed in is of a particular implementation

+        /// of IMessage. This method gets the default instance of this type of a given method.

+        /// You can then call WeakCreateBuilderForType to create a builder to build an object which

+        /// you can then pass to CallMethod.

+        /// </summary>

+        IMessage GetRequestPrototype(MethodDescriptor method);

+

+        /// <summary>

+        /// Like GetRequestPrototype, but returns a prototype of the response message.

+        /// This is generally not needed because the IService implementation contructs

+        /// the response message itself, but it may be useful in some cases to know ahead

+        /// of time what type of object will be returned.

+        /// </summary>

+        IMessage GetResponsePrototype(MethodDescriptor method);

+    }

+}
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