| private ThrowIfPromoterTypeIsNotMSDTC ( ) : void | ||
| return | void | |
internal DistributedTransaction Promote()
{
lock (_internalTransaction)
{
// This method is only called when we expect to be promoting to MSDTC.
_internalTransaction.ThrowIfPromoterTypeIsNotMSDTC();
_internalTransaction.State.Promote(_internalTransaction);
return(_internalTransaction.PromotedTransaction);
}
}
internal OletxTransaction?Promote()
{
lock (_internalTransaction)
{
Debug.Assert(_internalTransaction.State != null);
// This method is only called when we expect to be promoting to MSDTC.
_internalTransaction.ThrowIfPromoterTypeIsNotMSDTC();
_internalTransaction.State.Promote(_internalTransaction);
return(_internalTransaction.PromotedTransaction);
}
}
internal override void GetObjectData(InternalTransaction tx, SerializationInfo serializationInfo, StreamingContext context)
{
Debug.Assert(tx.PromotedTransaction != null, "Promoted state not valid for transaction.");
// This is not allowed if the transaction's PromoterType is not MSDTC.
tx.ThrowIfPromoterTypeIsNotMSDTC();
// Simply get call get object data for the promoted transaction.
ISerializable serializableTx = tx.PromotedTransaction as ISerializable;
if (serializableTx == null)
{
// The LTM can only support this if the Distributed TM Supports it.
throw new NotSupportedException();
}
// Before forwarding this call to the promoted tx make sure to change
// the full type info so that only if the promoted tx does not set this
// then it should be set correctly.
serializationInfo.FullTypeName = tx.PromotedTransaction.GetType().FullName;
// Now forward the call.
serializableTx.GetObjectData(serializationInfo, context);
}
internal override Enlistment EnlistDurable(
InternalTransaction tx,
Guid resourceManagerIdentifier,
ISinglePhaseNotification enlistmentNotification,
EnlistmentOptions enlistmentOptions,
Transaction atomicTransaction
)
{
Debug.Assert(tx.PromotedTransaction != null, "Promoted state not valid for transaction.");
tx.ThrowIfPromoterTypeIsNotMSDTC();
// Don't hold locks while calling into the promoted tx
Monitor.Exit(tx);
try
{
Enlistment en = new Enlistment(
resourceManagerIdentifier,
tx,
enlistmentNotification,
enlistmentNotification,
atomicTransaction
);
EnlistmentState.EnlistmentStatePromoted.EnterState(en.InternalEnlistment);
en.InternalEnlistment.PromotedEnlistment =
tx.PromotedTransaction.EnlistDurable(
resourceManagerIdentifier,
(DurableInternalEnlistment)en.InternalEnlistment,
true,
enlistmentOptions
);
return en;
}
finally
{
Monitor.Enter(tx);
}
}
internal override void GetObjectData(InternalTransaction tx, SerializationInfo serializationInfo, StreamingContext context)
{
// This is not allowed if the transaction's PromoterType is not MSDTC.
tx.ThrowIfPromoterTypeIsNotMSDTC();
// Promote the transaction.
tx._promoteState.EnterState(tx);
// Forward this call
tx.State.GetObjectData(tx, serializationInfo, context);
// Restart the commit process.
tx.State.RestartCommitIfNeeded(tx);
}
internal override Enlistment EnlistDurable(
InternalTransaction tx,
Guid resourceManagerIdentifier,
ISinglePhaseNotification enlistmentNotification,
EnlistmentOptions enlistmentOptions,
Transaction atomicTransaction
)
{
tx.ThrowIfPromoterTypeIsNotMSDTC();
Enlistment en = base.EnlistDurable(tx, resourceManagerIdentifier, enlistmentNotification,
enlistmentOptions, atomicTransaction);
// Calling durable enlist in Phase0 may cause the transaction to promote. Leverage the promoted
tx.State.RestartCommitIfNeeded(tx);
return en;
}
internal override Enlistment EnlistDurable(
InternalTransaction tx,
Guid resourceManagerIdentifier,
ISinglePhaseNotification enlistmentNotification,
EnlistmentOptions enlistmentOptions,
Transaction atomicTransaction)
{
tx.ThrowIfPromoterTypeIsNotMSDTC();
if (tx._durableEnlistment != null || (enlistmentOptions & EnlistmentOptions.EnlistDuringPrepareRequired) != 0)
{
// These circumstances cause promotion
tx._promoteState.EnterState(tx);
return tx.State.EnlistDurable(tx, resourceManagerIdentifier, enlistmentNotification, enlistmentOptions, atomicTransaction);
}
// Create a durable enlistment
Enlistment en = new Enlistment(resourceManagerIdentifier, tx, enlistmentNotification, enlistmentNotification, atomicTransaction);
tx._durableEnlistment = en.InternalEnlistment;
DurableEnlistmentState.DurableEnlistmentActive.EnterState(tx._durableEnlistment);
TransactionsEtwProvider etwLog = TransactionsEtwProvider.Log;
if (etwLog.IsEnabled())
{
etwLog.TransactionstateEnlist(tx._durableEnlistment.EnlistmentTraceId, EnlistmentType.Durable, EnlistmentOptions.None);
}
return en;
}
internal override Enlistment EnlistDurable(
InternalTransaction tx,
Guid resourceManagerIdentifier,
IEnlistmentNotification enlistmentNotification,
EnlistmentOptions enlistmentOptions,
Transaction atomicTransaction)
{
tx.ThrowIfPromoterTypeIsNotMSDTC();
// Can't support an enlistment that dosn't support SPC
tx._promoteState.EnterState(tx);
// Note that just because we did an EnterState above does not mean that the state will be
// the same when the next method is called.
return tx.State.EnlistDurable(tx, resourceManagerIdentifier, enlistmentNotification, enlistmentOptions, atomicTransaction);
}
