/// <inheritdoc />
public Task <IDisposable> TryAcquireAsync(string resource, LockOptions options,
CancellationToken cancellationToken = default)
{
return(options.WaitTime.HasValue
? TryRepeatAsync(resource, options, cancellationToken)
: _innerLock.TryAcquireAsync(resource, options.ExpiryTime, cancellationToken));
}
/// <inheritdoc />
public async Task <IDisposable> AcquireAsync(string resource, LockOptions options,
CancellationToken cancellationToken = default)
{
IDisposable acquiredLock = await TryAcquireAsync(resource, options, cancellationToken);
return(acquiredLock ?? throw new DistributedLockNotAcquiredException(resource));
}
private async Task <IDisposable> TryRepeatAsync(string resource, LockOptions options,
CancellationToken cancellationToken)
{
TimeSpan wait = options.WaitTime ?? TimeSpan.Zero;
TimeSpan retry = options.RetryTime ?? TimeSpan.FromMilliseconds(50);
TimeSpan expiry = options.ExpiryTime;
cancellationToken = CancellationTokenSource.CreateLinkedTokenSource(
new CancellationTokenSource(wait).Token,
cancellationToken
).Token;
try
{ return(await RepeatAsync(resource, retry, expiry, cancellationToken)); }
catch (TaskCanceledException) { return(null); }
catch (OperationCanceledException) { return(null); }
}