blob: ff66a9ae6f45eea34959bdb297a80429edf86148 [file] [log] [blame]
/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
namespace DotPulsar.Internal
{
using System;
using System.Threading;
using System.Threading.Tasks;
public sealed class CancelableCompletionSource<T> : IDisposable
{
private readonly TaskCompletionSource<T> _source;
private CancellationTokenRegistration? _registration;
public CancelableCompletionSource()
=> _source = new TaskCompletionSource<T>(TaskCreationOptions.RunContinuationsAsynchronously);
public void SetupCancellation(Action callback, CancellationToken token)
=> _registration = token.Register(callback);
public void SetResult(T result)
=> _ = _source.TrySetResult(result);
public void SetException(Exception exception)
=> _ = _source.TrySetException(exception);
public Task<T> Task => _source.Task;
public void Dispose()
{
_ = _source.TrySetCanceled();
_registration?.Dispose();
}
}
}