|
static private InteropMode ( |
||
| currentScope | ||
| Результат | EnterpriseServicesInteropOption | |
// PushScope
//
// Push a transaction scope onto the stack.
private void PushScope()
{
// Fixup the interop mode before we set current.
if (!_interopModeSpecified)
{
// Transaction.InteropMode will take the interop mode on
// for the scope in currentScope into account.
_interopOption = Transaction.InteropMode(_savedCurrentScope);
}
// async function yield at await points and main thread can continue execution. We need to make sure the TLS data are restored appropriately.
SaveTLSContextData();
if (AsyncFlowEnabled)
{
// Async Flow is enabled and CallContext will be used for ambient transaction.
_threadContextData = CallContextCurrentData.CreateOrGetCurrentData(ContextKey);
if (_savedCurrentScope == null && _savedCurrent == null)
{
// Clear TLS data so that transaction doesn't leak from current thread.
ContextData.TLSCurrentData = null;
}
}
else
{
// Legacy TransactionScope. Use TLS to track ambient transaction context.
_threadContextData = ContextData.TLSCurrentData;
CallContextCurrentData.ClearCurrentData(ContextKey, false);
}
// This call needs to be done first
SetCurrent(_expectedCurrent);
_threadContextData.CurrentScope = this;
}
private void PushScope()
{
if (!this.interopModeSpecified)
{
this.interopOption = Transaction.InteropMode(this.savedCurrentScope);
}
this.SetCurrent(this.expectedCurrent);
this.threadContextData.CurrentScope = this;
}
// The validate method assumes that the existing parent ambient transaction scope is already looked up.
private void ValidateAsyncFlowOptionAndESInteropOption()
{
if (AsyncFlowEnabled)
{
EnterpriseServicesInteropOption currentInteropOption = _interopOption;
if (!_interopModeSpecified)
{
// Transaction.InteropMode will take the interop mode on
// for the scope in currentScope into account.
currentInteropOption = Transaction.InteropMode(_savedCurrentScope);
}
if (currentInteropOption != EnterpriseServicesInteropOption.None)
{
throw new NotSupportedException(SR.AsyncFlowAndESInteropNotSupported);
}
}
}