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103 lines
4.1 KiB
103 lines
4.1 KiB
#region Copyright notice and license
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// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// https://developers.google.com/protocol-buffers/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#endregion
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namespace Google.Protobuf.Reflection
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{
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/// <summary>
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/// Describes a single method in a service.
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/// </summary>
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public sealed class MethodDescriptor : DescriptorBase
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{
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private readonly MethodDescriptorProto proto;
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private readonly ServiceDescriptor service;
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private MessageDescriptor inputType;
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private MessageDescriptor outputType;
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/// <value>
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/// The service this method belongs to.
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/// </value>
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public ServiceDescriptor Service { get { return service; } }
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/// <value>
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/// The method's input type.
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/// </value>
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public MessageDescriptor InputType { get { return inputType; } }
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/// <value>
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/// The method's input type.
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/// </value>
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public MessageDescriptor OutputType { get { return outputType; } }
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/// <value>
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/// Indicates if client streams multiple requests.
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/// </value>
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public bool IsClientStreaming { get { return proto.ClientStreaming; } }
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/// <value>
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/// Indicates if server streams multiple responses.
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/// </value>
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public bool IsServerStreaming { get { return proto.ServerStreaming; } }
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internal MethodDescriptor(MethodDescriptorProto proto, FileDescriptor file,
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ServiceDescriptor parent, int index)
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: base(file, parent.FullName + "." + proto.Name, index)
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{
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this.proto = proto;
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service = parent;
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file.DescriptorPool.AddSymbol(this);
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}
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internal MethodDescriptorProto Proto { get { return proto; } }
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/// <summary>
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/// The brief name of the descriptor's target.
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/// </summary>
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public override string Name { get { return proto.Name; } }
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internal void CrossLink()
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{
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IDescriptor lookup = File.DescriptorPool.LookupSymbol(Proto.InputType, this);
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if (!(lookup is MessageDescriptor))
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{
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throw new DescriptorValidationException(this, "\"" + Proto.InputType + "\" is not a message type.");
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}
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inputType = (MessageDescriptor) lookup;
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lookup = File.DescriptorPool.LookupSymbol(Proto.OutputType, this);
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if (!(lookup is MessageDescriptor))
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{
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throw new DescriptorValidationException(this, "\"" + Proto.OutputType + "\" is not a message type.");
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}
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outputType = (MessageDescriptor) lookup;
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}
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}
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}
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