private void InvokeOutcomeFunction(TransactionStatus status)
{
WeakReference weakRealTransaction = null;
lock (this)
{
if (this.haveIssuedOutcome)
{
return;
}
this.haveIssuedOutcome = true;
this.savedStatus = status;
weakRealTransaction = this.weakRealTransaction;
}
if (weakRealTransaction != null)
{
RealOletxTransaction target = weakRealTransaction.Target as RealOletxTransaction;
if (target != null)
{
target.FireOutcome(status);
if (target.phase0EnlistVolatilementContainerList != null)
{
foreach (OletxPhase0VolatileEnlistmentContainer container in target.phase0EnlistVolatilementContainerList)
{
container.OutcomeFromTransaction(status);
}
}
if (((TransactionStatus.Aborted == status) || (TransactionStatus.InDoubt == status)) && (target.phase1EnlistVolatilementContainer != null))
{
target.phase1EnlistVolatilementContainer.OutcomeFromTransaction(status);
}
}
weakRealTransaction.Target = null;
}
}
internal void SetRealTransaction(RealOletxTransaction realTx)
{
bool haveIssuedOutcome = false;
TransactionStatus inDoubt = TransactionStatus.InDoubt;
lock (this)
{
haveIssuedOutcome = this.haveIssuedOutcome;
inDoubt = this.savedStatus;
if (!haveIssuedOutcome)
{
this.weakRealTransaction = new WeakReference(realTx);
this.txGuid = realTx.TxGuid;
}
}
if (haveIssuedOutcome)
{
realTx.FireOutcome(inDoubt);
if (((TransactionStatus.Aborted == inDoubt) || (TransactionStatus.InDoubt == inDoubt)) && (realTx.phase1EnlistVolatilementContainer != null))
{
realTx.phase1EnlistVolatilementContainer.OutcomeFromTransaction(inDoubt);
}
}
}
internal void SetRealTransaction(RealOletxTransaction realTx)
{
bool haveIssuedOutcome = false;
TransactionStatus inDoubt = TransactionStatus.InDoubt;
lock (this)
{
haveIssuedOutcome = this.haveIssuedOutcome;
inDoubt = this.savedStatus;
if (!haveIssuedOutcome)
{
this.weakRealTransaction = new WeakReference(realTx);
this.txGuid = realTx.TxGuid;
}
}
if (haveIssuedOutcome)
{
realTx.FireOutcome(inDoubt);
if (((TransactionStatus.Aborted == inDoubt) || (TransactionStatus.InDoubt == inDoubt)) && (realTx.phase1EnlistVolatilementContainer != null))
{
realTx.phase1EnlistVolatilementContainer.OutcomeFromTransaction(inDoubt);
}
}
}
internal void SetRealTransaction( RealOletxTransaction realTx )
{
bool localHaveIssuedOutcome = false;
TransactionStatus localStatus = TransactionStatus.InDoubt;
lock ( this )
{
localHaveIssuedOutcome = this.haveIssuedOutcome;
localStatus = this.savedStatus;
// We want to do this while holding the lock.
if ( ! localHaveIssuedOutcome )
{
// We don't use MemoryBarrier here because all access to these member variables is done while holding
// a lock on the object.
// We are going to use a weak reference so the transaction object can get garbage
// collected before we receive the outcome.
this.weakRealTransaction = new WeakReference(realTx);
// Save the transaction guid so that the transaction can be removed from the
// TransactionTable
this.txGuid = realTx.TxGuid;
}
}
// We want to do this outside the lock because we are potentially calling out to user code.
if ( localHaveIssuedOutcome )
{
realTx.FireOutcome( localStatus );
// We may be getting this notification while there are still volatile prepare notifications outstanding. Tell the
// container to drive the aborted notification in that case.
if ( ( ( TransactionStatus.Aborted == localStatus ) || ( TransactionStatus.InDoubt == localStatus ) ) &&
( null != realTx.phase1EnlistVolatilementContainer ) )
{
realTx.phase1EnlistVolatilementContainer.OutcomeFromTransaction( localStatus );
}
}
}
