public static Task <IAsyncDisposable> AcquireAsync(IDatabase db, Guid sagaId, TimeSpan?expiry, TimeSpan?retryTimeout)
{
var dataCacheLock = new DataCacheLock(db, sagaId, expiry);
async Task <IAsyncDisposable> TakeLock()
{
try
{
var result = await db.LockTakeAsync(dataCacheLock._key, dataCacheLock._token, dataCacheLock._expiry ?? TimeSpan.MaxValue)
.ConfigureAwait(false);
if (result)
{
return(dataCacheLock);
}
}
catch
{
}
return(null);
}
return(RetryUntilTrueAsync(TakeLock, retryTimeout));
}
public static Task <IAsyncDisposable> AcquireLockAsync(this IDatabase db, Guid sagaId, TimeSpan?expiry = null, TimeSpan?retryTimeout = null)
{
if (db == null)
{
throw new ArgumentNullException(nameof(db));
}
if (sagaId == null)
{
throw new ArgumentNullException(nameof(sagaId));
}
return(DataCacheLock.AcquireAsync(db, sagaId, expiry, retryTimeout));
}
internal static Task <IAsyncDisposable> AcquireLockAsync(this IDatabase db, Guid sagaId, TimeSpan?expiry, TimeSpan?retryTimeout) => DataCacheLock.AcquireAsync(db, sagaId, expiry, retryTimeout);
