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Diffstat (limited to 'csharp/src/Google.Protobuf/Reflection/MethodDescriptor.cs')
-rw-r--r-- | csharp/src/Google.Protobuf/Reflection/MethodDescriptor.cs | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/csharp/src/Google.Protobuf/Reflection/MethodDescriptor.cs b/csharp/src/Google.Protobuf/Reflection/MethodDescriptor.cs new file mode 100644 index 00000000..f9539f6c --- /dev/null +++ b/csharp/src/Google.Protobuf/Reflection/MethodDescriptor.cs @@ -0,0 +1,103 @@ +#region Copyright notice and license +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. All rights reserved. +// https://developers.google.com/protocol-buffers/ +// +// 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 + +namespace Google.Protobuf.Reflection +{ + /// <summary> + /// Describes a single method in a service. + /// </summary> + public sealed class MethodDescriptor : DescriptorBase + { + private readonly MethodDescriptorProto proto; + private readonly ServiceDescriptor service; + private MessageDescriptor inputType; + private MessageDescriptor outputType; + + /// <value> + /// The service this method belongs to. + /// </value> + public ServiceDescriptor Service { get { return service; } } + + /// <value> + /// The method's input type. + /// </value> + public MessageDescriptor InputType { get { return inputType; } } + + /// <value> + /// The method's input type. + /// </value> + public MessageDescriptor OutputType { get { return outputType; } } + + /// <value> + /// Indicates if client streams multiple requests. + /// </value> + public bool IsClientStreaming { get { return proto.ClientStreaming; } } + + /// <value> + /// Indicates if server streams multiple responses. + /// </value> + public bool IsServerStreaming { get { return proto.ServerStreaming; } } + + internal MethodDescriptor(MethodDescriptorProto proto, FileDescriptor file, + ServiceDescriptor parent, int index) + : base(file, parent.FullName + "." + proto.Name, index) + { + this.proto = proto; + service = parent; + file.DescriptorPool.AddSymbol(this); + } + + internal MethodDescriptorProto Proto { get { return proto; } } + + /// <summary> + /// The brief name of the descriptor's target. + /// </summary> + public override string Name { get { return proto.Name; } } + + internal void CrossLink() + { + IDescriptor lookup = File.DescriptorPool.LookupSymbol(Proto.InputType, this); + if (!(lookup is MessageDescriptor)) + { + throw new DescriptorValidationException(this, "\"" + Proto.InputType + "\" is not a message type."); + } + inputType = (MessageDescriptor) lookup; + + lookup = File.DescriptorPool.LookupSymbol(Proto.OutputType, this); + if (!(lookup is MessageDescriptor)) + { + throw new DescriptorValidationException(this, "\"" + Proto.OutputType + "\" is not a message type."); + } + outputType = (MessageDescriptor) lookup; + } + } +}
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