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#region Copyright notice and license
// Copyright 2015, Google Inc.
// All rights reserved.
//
// 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 System.Collections.Generic;
using System.Collections.ObjectModel;
using Grpc.Core.Internal;
namespace Grpc.Core
{
/// <summary>
/// Mapping of method names to server call handlers.
/// Normally, the <c>ServerServiceDefinition</c> objects will be created by the <c>BindService</c> factory method
/// that is part of the autogenerated code for a protocol buffers service definition.
/// </summary>
public class ServerServiceDefinition
{
readonly ReadOnlyDictionary<string, IServerCallHandler> callHandlers;
private ServerServiceDefinition(Dictionary<string, IServerCallHandler> callHandlers)
{
this.callHandlers = new ReadOnlyDictionary<string, IServerCallHandler>(callHandlers);
}
internal IDictionary<string, IServerCallHandler> CallHandlers
{
get
{
return this.callHandlers;
}
}
/// <summary>
/// Creates a new builder object for <c>ServerServiceDefinition</c>.
/// </summary>
/// <param name="serviceName">The service name.</param>
/// <returns>The builder object.</returns>
public static Builder CreateBuilder(string serviceName)
{
return new Builder(serviceName);
}
/// <summary>
/// Builder class for <see cref="ServerServiceDefinition"/>.
/// </summary>
public class Builder
{
readonly string serviceName;
readonly Dictionary<string, IServerCallHandler> callHandlers = new Dictionary<string, IServerCallHandler>();
/// <summary>
/// Creates a new instance of builder.
/// </summary>
/// <param name="serviceName">The service name.</param>
public Builder(string serviceName)
{
this.serviceName = serviceName;
}
/// <summary>
/// Adds a definitions for a single request - single response method.
/// </summary>
/// <typeparam name="TRequest">The request message class.</typeparam>
/// <typeparam name="TResponse">The response message class.</typeparam>
/// <param name="method">The method.</param>
/// <param name="handler">The method handler.</param>
/// <returns>This builder instance.</returns>
public Builder AddMethod<TRequest, TResponse>(
Method<TRequest, TResponse> method,
UnaryServerMethod<TRequest, TResponse> handler)
where TRequest : class
where TResponse : class
{
callHandlers.Add(method.FullName, ServerCalls.UnaryCall(method, handler));
return this;
}
/// <summary>
/// Adds a definitions for a client streaming method.
/// </summary>
/// <typeparam name="TRequest">The request message class.</typeparam>
/// <typeparam name="TResponse">The response message class.</typeparam>
/// <param name="method">The method.</param>
/// <param name="handler">The method handler.</param>
/// <returns>This builder instance.</returns>
public Builder AddMethod<TRequest, TResponse>(
Method<TRequest, TResponse> method,
ClientStreamingServerMethod<TRequest, TResponse> handler)
where TRequest : class
where TResponse : class
{
callHandlers.Add(method.FullName, ServerCalls.ClientStreamingCall(method, handler));
return this;
}
/// <summary>
/// Adds a definitions for a server streaming method.
/// </summary>
/// <typeparam name="TRequest">The request message class.</typeparam>
/// <typeparam name="TResponse">The response message class.</typeparam>
/// <param name="method">The method.</param>
/// <param name="handler">The method handler.</param>
/// <returns>This builder instance.</returns>
public Builder AddMethod<TRequest, TResponse>(
Method<TRequest, TResponse> method,
ServerStreamingServerMethod<TRequest, TResponse> handler)
where TRequest : class
where TResponse : class
{
callHandlers.Add(method.FullName, ServerCalls.ServerStreamingCall(method, handler));
return this;
}
/// <summary>
/// Adds a definitions for a bidirectional streaming method.
/// </summary>
/// <typeparam name="TRequest">The request message class.</typeparam>
/// <typeparam name="TResponse">The response message class.</typeparam>
/// <param name="method">The method.</param>
/// <param name="handler">The method handler.</param>
/// <returns>This builder instance.</returns>
public Builder AddMethod<TRequest, TResponse>(
Method<TRequest, TResponse> method,
DuplexStreamingServerMethod<TRequest, TResponse> handler)
where TRequest : class
where TResponse : class
{
callHandlers.Add(method.FullName, ServerCalls.DuplexStreamingCall(method, handler));
return this;
}
/// <summary>
/// Creates an immutable <c>ServerServiceDefinition</c> from this builder.
/// </summary>
/// <returns>The <c>ServerServiceDefinition</c> object.</returns>
public ServerServiceDefinition Build()
{
return new ServerServiceDefinition(callHandlers);
}
}
}
}
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