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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.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Grpc.Core
{
/// <summary>
/// A stream of messages to be read.
/// Messages can be awaited <c>await reader.MoveNext()</c>, that returns <c>true</c>
/// if there is a message available and <c>false</c> if there are no more messages
/// (i.e. the stream has been closed).
/// <para>
/// On the client side, the last invocation of <c>MoveNext()</c> either returns <c>false</c>
/// if the call has finished successfully or throws <c>RpcException</c> if call finished
/// with an error. Once the call finishes, subsequent invocations of <c>MoveNext()</c> will
/// continue yielding the same result (returning <c>false</c> or throwing an exception).
/// </para>
/// <para>
/// On the server side, <c>MoveNext()</c> does not throw exceptions.
/// In case of a failure, the request stream will appear to be finished
/// (<c>MoveNext</c> will return <c>false</c>) and the <c>CancellationToken</c>
/// associated with the call will be cancelled to signal the failure.
/// </para>
/// </summary>
/// <typeparam name="T">The message type.</typeparam>
public interface IAsyncStreamReader<T> : IAsyncEnumerator<T>
{
}
}
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