/// <summary>
/// Enlist ourselves into the ambient transaction.
/// </summary>
public void Begin()
{
if (this.enlistedTransaction == null)
{
if (Transaction.Current == null)
{
// no ambient transaction to enlist in
throw new InvalidOperationException(RM.Get_Error_CannotEnlistInNonTransactionalContext());
}
if (!Transaction.Current.EnlistPromotableSinglePhase(this))
{
// cannot enlist the adapter in a distributed transaction
throw new InvalidOperationException(RM.Get_Error_CannotEnlistInDistributedTransaction());
}
}
else if (Transaction.Current != this.enlistedTransaction)
{
// cannot enlist an adapter in more than one transaction
throw new InvalidOperationException(RM.Get_Error_AdapterAlreadyEnlisted());
}
}