AsyncDuplexStreamingCall.cs

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#endregion

using System;
using System.Runtime.CompilerServices;
using System.Threading.Tasks;

namespace Grpc.Core
{
    /// <summary>
    /// Return type for bidirectional streaming calls.
    /// </summary>
    public sealed class AsyncDuplexStreamingCall<TRequest, TResponse>
        where TRequest : class
        where TResponse : class
    {
        readonly IClientStreamWriter<TRequest> requestStream;
        readonly IAsyncStreamReader<TResponse> responseStream;

        public AsyncDuplexStreamingCall(IClientStreamWriter<TRequest> requestStream, IAsyncStreamReader<TResponse> responseStream)
        {
            this.requestStream = requestStream;
            this.responseStream = responseStream;
        }

        /// <summary>
        /// Writes a request to RequestStream.
        /// </summary>
        public Task Write(TRequest message)
        {
            return requestStream.Write(message);
        }

        /// <summary>
        /// Closes the RequestStream.
        /// </summary>
        public Task Close()
        {
            return requestStream.Close();
        }

        /// <summary>
        /// Reads a response from ResponseStream.
        /// </summary>
        /// <returns></returns>
        public Task<TResponse> ReadNext()
        {
            return responseStream.ReadNext();
        }

        /// <summary>
        /// Async stream to read streaming responses.
        /// </summary>
        public IAsyncStreamReader<TResponse> ResponseStream
        {
            get
            {
                return responseStream;
            }
        }

        /// <summary>
        /// Async stream to send streaming requests.
        /// </summary>
        public IClientStreamWriter<TRequest> RequestStream
        {
            get
            {
                return requestStream;
            }
        }
    }
}