/// <summary>
/// Add a pessimistic lock to the database context
/// </summary>
/// <param name="correlationId"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public async Task Lock(Guid correlationId, CancellationToken cancellationToken)
{
if (_lock != null)
{
throw new InvalidOperationException("The database context is already locked");
}
var sagaLock = new SagaLock(_database, _options, correlationId);
_lock = await sagaLock.Lock(cancellationToken).ConfigureAwait(false);
}
Task <IAsyncDisposable> Lock(TSaga instance, CancellationToken cancellationToken)
{
var sagaLock = new SagaLock(_database, _options, instance.CorrelationId);
return(sagaLock.Lock(cancellationToken));
}