private bool DeregisterOngoing(IPipelineTransaction transaction)
{
if (!OngoingTransactions.Remove(transaction))
{
throw new ArgumentException("Transaction is not registered.");
}
return(OngoingTransactions.Count <= 0);
}
/// <summary>
/// Cancels the specified transaction.
/// </summary>
/// <param name="transaction">The transaction to cancel.</param>
public void Cancel(DeferredPipelineTransaction transaction)
{
if (transaction is null)
{
throw new ArgumentNullException(nameof(transaction));
}
lock (this)
{
OngoingTransactions.Remove(transaction);
if (DeregisterOngoing(transaction))
{
CommitTransaction(AggregatedTransaction.Values);
}
}
}