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130 lines
4.8 KiB
130 lines
4.8 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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#End Region
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Namespace Google.Protobuf.Reflection
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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 NotInheritable Class MethodDescriptor
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Inherits DescriptorBase
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Private ReadOnly protoField As MethodDescriptorProto
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Private ReadOnly serviceField As ServiceDescriptor
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Private inputTypeField As MessageDescriptor
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Private outputTypeField As MessageDescriptor
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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 ReadOnly Property Service As ServiceDescriptor
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Get
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Return serviceField
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End Get
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End Property
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''' <value>
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''' The method's input type.
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''' </value>
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Public ReadOnly Property InputType As MessageDescriptor
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Get
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Return inputTypeField
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End Get
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End Property
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''' <value>
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''' The method's input type.
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''' </value>
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Public ReadOnly Property OutputType As MessageDescriptor
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Get
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Return outputTypeField
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End Get
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End Property
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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 ReadOnly Property IsClientStreaming As Boolean
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Get
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Return protoField.ClientStreaming
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End Get
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End Property
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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 ReadOnly Property IsServerStreaming As Boolean
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Get
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Return protoField.ServerStreaming
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End Get
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End Property
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Friend Sub New(proto As MethodDescriptorProto, file As FileDescriptor, parent As ServiceDescriptor, index As Integer)
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MyBase.New(file, parent.FullName & "." & proto.Name, index)
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protoField = proto
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serviceField = parent
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file.DescriptorPool.AddSymbol(Me)
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End Sub
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Friend ReadOnly Property Proto As MethodDescriptorProto
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Get
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Return protoField
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End Get
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End Property
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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 Overrides ReadOnly Property Name As String
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Get
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Return protoField.Name
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End Get
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End Property
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Friend Sub CrossLink()
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Dim lookup = File.DescriptorPool.LookupSymbol(Proto.InputType, Me)
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If Not (TypeOf lookup Is MessageDescriptor) Then
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Throw New DescriptorValidationException(Me, """" & Proto.InputType & """ is not a message type.")
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End If
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inputTypeField = CType(lookup, MessageDescriptor)
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lookup = File.DescriptorPool.LookupSymbol(Proto.OutputType, Me)
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If Not (TypeOf lookup Is MessageDescriptor) Then
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Throw New DescriptorValidationException(Me, """" & Proto.OutputType & """ is not a message type.")
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End If
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outputTypeField = CType(lookup, MessageDescriptor)
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End Sub
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End Class
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End Namespace
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