internal static Transaction FastGetTransaction(TransactionScope currentScope, ContextData contextData, out Transaction contextTransaction)
{
Transaction current = null;
contextTransaction = null;
contextTransaction = contextData.CurrentTransaction;
switch (InteropMode(currentScope))
{
case EnterpriseServicesInteropOption.None:
current = contextTransaction;
// If there is a transaction in the execution context or if there is a current transaction scope
// then honer the transaction context.
if (current == null && currentScope == null)
{
// Otherwise check for an external current.
if (TransactionManager.s_currentDelegateSet)
{
current = TransactionManager.s_currentDelegate();
}
else
{
current = EnterpriseServices.GetContextTransaction(contextData);
}
}
break;
case EnterpriseServicesInteropOption.Full:
current = EnterpriseServices.GetContextTransaction(contextData);
break;
case EnterpriseServicesInteropOption.Automatic:
if (EnterpriseServices.UseServiceDomainForCurrent())
{
current = EnterpriseServices.GetContextTransaction(contextData);
}
else
{
current = contextData.CurrentTransaction;
}
break;
}
return(current);
}