/// <summary>
/// Asynchronously releases resources owned by this <see cref="Claim"/>.
/// </summary>
/// <remarks>
/// This method calls <see cref="IQueueingService.ReleaseClaimAsync"/> to release messages
/// claimed by this claim. To prevent other subscribers from re-claiming the messages, make
/// sure to delete the messages before calling <see cref="DisposeAsync"/>.
/// </remarks>
/// <param name="cancellationToken">The <see cref="CancellationToken"/> that the task will observe.</param>
/// <returns>A <see cref="Task"/> object representing the asynchronous operation.</returns>
public Task DisposeAsync(CancellationToken cancellationToken)
{
lock (_lock)
{
if (_releaseTask == null)
{
if (_messages.Length == 0)
{
_releaseTask = InternalTaskExtensions.CompletedTask();
}
else
{
_releaseTask = _service.ReleaseClaimAsync(_queueName, this, cancellationToken);
}
}
}
return(_releaseTask);
}
