AsyncServerStreamingCall.cs

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#endregion

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

namespace Grpc.Core
{
    /// <summary>
    /// Return type for server streaming calls.
    /// </summary>
    public sealed class AsyncServerStreamingCall<TResponse> : IDisposable
    {
        readonly IAsyncStreamReader<TResponse> responseStream;
        readonly Action disposeAction;

        public AsyncServerStreamingCall(IAsyncStreamReader<TResponse> responseStream, Action disposeAction)
        {
            this.responseStream = responseStream;
            this.disposeAction = disposeAction;
        }

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

        /// <summary>
        /// Provides means to cleanup after the call.
        /// If the call has already finished normally (response stream has been fully read), doesn't do anything.
        /// Otherwise, requests cancellation of the call which should terminate all pending async operations associated with the call.
        /// As a result, all resources being used by the call should be released eventually.
        /// </summary>
        public void Dispose()
        {
            disposeAction.Invoke();
        }
    }
}