void IPromotedEnlistment.EnlistmentDone()
{
if (DiagnosticTrace.Verbose)
{
MethodEnteredTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxEnlistment.EnlistmentDone");
EnlistmentCallbackPositiveTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, EnlistmentCallback.Done);
}
OletxVolatileEnlistmentState active = OletxVolatileEnlistmentState.Active;
OletxVolatileEnlistmentContainer container = null;
lock (this)
{
active = this.state;
container = this.container;
if ((((this.state != OletxVolatileEnlistmentState.Active) && (OletxVolatileEnlistmentState.Preparing != this.state)) && ((OletxVolatileEnlistmentState.Aborting != this.state) && (OletxVolatileEnlistmentState.Committing != this.state))) && (OletxVolatileEnlistmentState.InDoubt != this.state))
{
throw TransactionException.CreateEnlistmentStateException(System.Transactions.SR.GetString("TraceSourceOletx"), null);
}
this.state = OletxVolatileEnlistmentState.Done;
}
if ((OletxVolatileEnlistmentState.Preparing == active) && (container != null))
{
container.DecrementOutstandingNotifications(true);
}
if (DiagnosticTrace.Verbose)
{
MethodExitedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxEnlistment.EnlistmentDone");
}
}
internal void Prepare(OletxVolatileEnlistmentContainer container)
{
OletxVolatileEnlistmentState active = OletxVolatileEnlistmentState.Active;
IEnlistmentNotificationInternal iEnlistmentNotification = null;
lock (this)
{
iEnlistmentNotification = this.iEnlistmentNotification;
if (this.state == OletxVolatileEnlistmentState.Active)
{
active = this.state = OletxVolatileEnlistmentState.Preparing;
}
else
{
active = this.state;
}
this.container = container;
}
if (OletxVolatileEnlistmentState.Preparing == active)
{
if (iEnlistmentNotification != null)
{
if (DiagnosticTrace.Verbose)
{
EnlistmentNotificationCallTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, NotificationCall.Prepare);
}
iEnlistmentNotification.Prepare(this);
return;
}
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "");
}
throw new InvalidOperationException(System.Transactions.SR.GetString("InternalError"));
}
if (OletxVolatileEnlistmentState.Done == active)
{
container.DecrementOutstandingNotifications(true);
}
else if ((OletxVolatileEnlistmentState.Prepared == active) && this.enlistDuringPrepareRequired)
{
container.DecrementOutstandingNotifications(true);
}
else if ((OletxVolatileEnlistmentState.Aborting == active) || (OletxVolatileEnlistmentState.Aborted == active))
{
container.DecrementOutstandingNotifications(false);
}
else
{
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "");
}
throw new InvalidOperationException(System.Transactions.SR.GetString("InternalError"));
}
}
void IPromotedEnlistment.Prepared()
{
if (DiagnosticTrace.Verbose)
{
MethodEnteredTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxPreparingEnlistment.Prepared");
EnlistmentCallbackPositiveTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, EnlistmentCallback.Prepared);
}
OletxVolatileEnlistmentContainer container = null;
TransactionStatus active = TransactionStatus.Active;
lock (this)
{
if (OletxVolatileEnlistmentState.Preparing != this.state)
{
throw TransactionException.CreateEnlistmentStateException(System.Transactions.SR.GetString("TraceSourceOletx"), null);
}
this.state = OletxVolatileEnlistmentState.Prepared;
active = this.pendingOutcome;
if (this.container == null)
{
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "");
}
throw new InvalidOperationException(System.Transactions.SR.GetString("InternalError"));
}
container = this.container;
}
container.DecrementOutstandingNotifications(true);
switch (active)
{
case TransactionStatus.Active:
break;
case TransactionStatus.Aborted:
this.Rollback();
break;
case TransactionStatus.InDoubt:
this.InDoubt();
break;
default:
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "");
}
throw new InvalidOperationException(System.Transactions.SR.GetString("InternalError"));
}
if (DiagnosticTrace.Verbose)
{
MethodExitedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxPreparingEnlistment.Prepared");
}
}
internal void InDoubt()
{
OletxVolatileEnlistmentState active = OletxVolatileEnlistmentState.Active;
IEnlistmentNotificationInternal iEnlistmentNotification = null;
lock (this)
{
if (OletxVolatileEnlistmentState.Prepared == this.state)
{
active = this.state = OletxVolatileEnlistmentState.InDoubt;
iEnlistmentNotification = this.iEnlistmentNotification;
}
else
{
if (OletxVolatileEnlistmentState.Preparing == this.state)
{
this.pendingOutcome = TransactionStatus.InDoubt;
}
active = this.state;
}
}
if (OletxVolatileEnlistmentState.InDoubt == active)
{
if (iEnlistmentNotification != null)
{
if (DiagnosticTrace.Verbose)
{
EnlistmentNotificationCallTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, NotificationCall.InDoubt);
}
iEnlistmentNotification.InDoubt(this);
return;
}
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "");
}
throw new InvalidOperationException(System.Transactions.SR.GetString("InternalError"));
}
if ((OletxVolatileEnlistmentState.Preparing != active) && (OletxVolatileEnlistmentState.Done != active))
{
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "");
}
throw new InvalidOperationException(System.Transactions.SR.GetString("InternalError"));
}
}
internal void InDoubt()
{
OletxVolatileEnlistmentState active = OletxVolatileEnlistmentState.Active;
IEnlistmentNotificationInternal iEnlistmentNotification = null;
lock (this)
{
if (OletxVolatileEnlistmentState.Prepared == this.state)
{
active = this.state = OletxVolatileEnlistmentState.InDoubt;
iEnlistmentNotification = this.iEnlistmentNotification;
}
else
{
if (OletxVolatileEnlistmentState.Preparing == this.state)
{
this.pendingOutcome = TransactionStatus.InDoubt;
}
active = this.state;
}
}
if (OletxVolatileEnlistmentState.InDoubt == active)
{
if (iEnlistmentNotification != null)
{
if (DiagnosticTrace.Verbose)
{
EnlistmentNotificationCallTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, NotificationCall.InDoubt);
}
iEnlistmentNotification.InDoubt(this);
return;
}
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "");
}
throw new InvalidOperationException(System.Transactions.SR.GetString("InternalError"));
}
if ((OletxVolatileEnlistmentState.Preparing != active) && (OletxVolatileEnlistmentState.Done != active))
{
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "");
}
throw new InvalidOperationException(System.Transactions.SR.GetString("InternalError"));
}
}
void IPromotedEnlistment.ForceRollback(Exception e)
{
if (DiagnosticTrace.Verbose)
{
MethodEnteredTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxPreparingEnlistment.ForceRollback");
}
if (DiagnosticTrace.Warning)
{
EnlistmentCallbackNegativeTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, EnlistmentCallback.ForceRollback);
}
OletxVolatileEnlistmentContainer container = null;
lock (this)
{
if (OletxVolatileEnlistmentState.Preparing != this.state)
{
throw TransactionException.CreateEnlistmentStateException(System.Transactions.SR.GetString("TraceSourceOletx"), null);
}
this.state = OletxVolatileEnlistmentState.Done;
if (this.container == null)
{
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "");
}
throw new InvalidOperationException(System.Transactions.SR.GetString("InternalError"));
}
container = this.container;
}
Interlocked.CompareExchange <Exception>(ref base.oletxTransaction.realOletxTransaction.innerException, e, null);
container.DecrementOutstandingNotifications(false);
if (DiagnosticTrace.Verbose)
{
MethodExitedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxPreparingEnlistment.ForceRollback");
}
}
void IPromotedEnlistment.Prepared()
{
if (DiagnosticTrace.Verbose)
{
MethodEnteredTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxPreparingEnlistment.Prepared");
EnlistmentCallbackPositiveTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, EnlistmentCallback.Prepared);
}
OletxVolatileEnlistmentContainer container = null;
TransactionStatus active = TransactionStatus.Active;
lock (this)
{
if (OletxVolatileEnlistmentState.Preparing != this.state)
{
throw TransactionException.CreateEnlistmentStateException(System.Transactions.SR.GetString("TraceSourceOletx"), null);
}
this.state = OletxVolatileEnlistmentState.Prepared;
active = this.pendingOutcome;
if (this.container == null)
{
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "");
}
throw new InvalidOperationException(System.Transactions.SR.GetString("InternalError"));
}
container = this.container;
}
container.DecrementOutstandingNotifications(true);
switch (active)
{
case TransactionStatus.Active:
break;
case TransactionStatus.Aborted:
this.Rollback();
break;
case TransactionStatus.InDoubt:
this.InDoubt();
break;
default:
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "");
}
throw new InvalidOperationException(System.Transactions.SR.GetString("InternalError"));
}
if (DiagnosticTrace.Verbose)
{
MethodExitedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxPreparingEnlistment.Prepared");
}
}
void IPromotedEnlistment.ForceRollback(Exception e)
{
if (DiagnosticTrace.Verbose)
{
MethodEnteredTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxPreparingEnlistment.ForceRollback");
}
if (DiagnosticTrace.Warning)
{
EnlistmentCallbackNegativeTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, EnlistmentCallback.ForceRollback);
}
OletxVolatileEnlistmentContainer container = null;
lock (this)
{
if (OletxVolatileEnlistmentState.Preparing != this.state)
{
throw TransactionException.CreateEnlistmentStateException(System.Transactions.SR.GetString("TraceSourceOletx"), null);
}
this.state = OletxVolatileEnlistmentState.Done;
if (this.container == null)
{
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "");
}
throw new InvalidOperationException(System.Transactions.SR.GetString("InternalError"));
}
container = this.container;
}
Interlocked.CompareExchange<Exception>(ref base.oletxTransaction.realOletxTransaction.innerException, e, null);
container.DecrementOutstandingNotifications(false);
if (DiagnosticTrace.Verbose)
{
MethodExitedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxPreparingEnlistment.ForceRollback");
}
}
void IPromotedEnlistment.EnlistmentDone()
{
if (DiagnosticTrace.Verbose)
{
MethodEnteredTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxEnlistment.EnlistmentDone");
EnlistmentCallbackPositiveTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, EnlistmentCallback.Done);
}
OletxVolatileEnlistmentState active = OletxVolatileEnlistmentState.Active;
OletxVolatileEnlistmentContainer container = null;
lock (this)
{
active = this.state;
container = this.container;
if ((((this.state != OletxVolatileEnlistmentState.Active) && (OletxVolatileEnlistmentState.Preparing != this.state)) && ((OletxVolatileEnlistmentState.Aborting != this.state) && (OletxVolatileEnlistmentState.Committing != this.state))) && (OletxVolatileEnlistmentState.InDoubt != this.state))
{
throw TransactionException.CreateEnlistmentStateException(System.Transactions.SR.GetString("TraceSourceOletx"), null);
}
this.state = OletxVolatileEnlistmentState.Done;
}
if ((OletxVolatileEnlistmentState.Preparing == active) && (container != null))
{
container.DecrementOutstandingNotifications(true);
}
if (DiagnosticTrace.Verbose)
{
MethodExitedTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "OletxEnlistment.EnlistmentDone");
}
}
internal void Prepare(OletxVolatileEnlistmentContainer container)
{
OletxVolatileEnlistmentState active = OletxVolatileEnlistmentState.Active;
IEnlistmentNotificationInternal iEnlistmentNotification = null;
lock (this)
{
iEnlistmentNotification = this.iEnlistmentNotification;
if (this.state == OletxVolatileEnlistmentState.Active)
{
active = this.state = OletxVolatileEnlistmentState.Preparing;
}
else
{
active = this.state;
}
this.container = container;
}
if (OletxVolatileEnlistmentState.Preparing == active)
{
if (iEnlistmentNotification != null)
{
if (DiagnosticTrace.Verbose)
{
EnlistmentNotificationCallTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), base.InternalTraceIdentifier, NotificationCall.Prepare);
}
iEnlistmentNotification.Prepare(this);
return;
}
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "");
}
throw new InvalidOperationException(System.Transactions.SR.GetString("InternalError"));
}
if (OletxVolatileEnlistmentState.Done == active)
{
container.DecrementOutstandingNotifications(true);
}
else if ((OletxVolatileEnlistmentState.Prepared == active) && this.enlistDuringPrepareRequired)
{
container.DecrementOutstandingNotifications(true);
}
else if ((OletxVolatileEnlistmentState.Aborting == active) || (OletxVolatileEnlistmentState.Aborted == active))
{
container.DecrementOutstandingNotifications(false);
}
else
{
if (DiagnosticTrace.Critical)
{
InternalErrorTraceRecord.Trace(System.Transactions.SR.GetString("TraceSourceOletx"), "");
}
throw new InvalidOperationException(System.Transactions.SR.GetString("InternalError"));
}
}
void IPromotedEnlistment.ForceRollback(Exception e)
{
if ( DiagnosticTrace.Verbose )
{
MethodEnteredTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
"OletxPreparingEnlistment.ForceRollback"
);
}
if ( DiagnosticTrace.Warning )
{
EnlistmentCallbackNegativeTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
this.InternalTraceIdentifier,
EnlistmentCallback.ForceRollback
);
}
OletxVolatileEnlistmentContainer localContainer = null;
lock ( this )
{
if ( OletxVolatileEnlistmentState.Preparing != state )
{
throw TransactionException.CreateEnlistmentStateException( SR.GetString( SR.TraceSourceOletx ), null, this.DistributedTxId );
}
// There are no more notifications that need to happen on this enlistment.
state = OletxVolatileEnlistmentState.Done;
if ( null == container )
{
if ( DiagnosticTrace.Critical )
{
InternalErrorTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
""
);
}
Debug.Assert( false, "OletxVolatileEnlistment.ForceRollback, no container member." );
throw new InvalidOperationException( SR.GetString( SR.InternalError ) );
}
localContainer = container;
}
Interlocked.CompareExchange<Exception>( ref this.oletxTransaction.realOletxTransaction.innerException, e, null );
// Vote no.
localContainer.DecrementOutstandingNotifications( false );
if ( DiagnosticTrace.Verbose )
{
MethodExitedTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
"OletxPreparingEnlistment.ForceRollback"
);
}
}
void IPromotedEnlistment.Prepared()
{
if ( DiagnosticTrace.Verbose )
{
MethodEnteredTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
"OletxPreparingEnlistment.Prepared"
);
EnlistmentCallbackPositiveTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
this.InternalTraceIdentifier,
EnlistmentCallback.Prepared
);
}
OletxVolatileEnlistmentContainer localContainer = null;
TransactionStatus localPendingOutcome = TransactionStatus.Active;
lock ( this )
{
if ( OletxVolatileEnlistmentState.Preparing != state )
{
throw TransactionException.CreateEnlistmentStateException( SR.GetString( SR.TraceSourceOletx ), null, this.DistributedTxId );
}
state = OletxVolatileEnlistmentState.Prepared;
localPendingOutcome = pendingOutcome;
if ( null == container )
{
if ( DiagnosticTrace.Critical )
{
InternalErrorTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
""
);
}
Debug.Assert( false, "OletxVolatileEnlistment.Prepared, no container member." );
throw new InvalidOperationException( SR.GetString( SR.InternalError ) );
}
localContainer = container;
}
// Vote yes.
localContainer.DecrementOutstandingNotifications( true );
switch ( localPendingOutcome )
{
case TransactionStatus.Active:
{
// nothing to do. Everything is proceeding as normal.
break;
}
case TransactionStatus.Aborted:
{
// The transaction aborted while the Prepare was outstanding.
// We need to tell the app to rollback.
Rollback();
break;
}
case TransactionStatus.InDoubt:
{
// The transaction went InDoubt while the Prepare was outstanding.
// We need to tell the app.
InDoubt();
break;
}
default:
{
// This shouldn't happen.
if ( DiagnosticTrace.Critical )
{
InternalErrorTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
""
);
}
Debug.Assert( false, "OletxVolatileEnlistment.Prepared, invalid pending outcome value." );
throw new InvalidOperationException( SR.GetString( SR.InternalError ) );
}
}
if ( DiagnosticTrace.Verbose )
{
MethodExitedTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
"OletxPreparingEnlistment.Prepared"
);
}
}
void IPromotedEnlistment.EnlistmentDone()
{
if ( DiagnosticTrace.Verbose )
{
MethodEnteredTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
"OletxEnlistment.EnlistmentDone"
);
EnlistmentCallbackPositiveTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
this.InternalTraceIdentifier,
EnlistmentCallback.Done
);
}
OletxVolatileEnlistmentState localState = OletxVolatileEnlistmentState.Active;
OletxVolatileEnlistmentContainer localContainer = null;
lock ( this )
{
localState = state;
localContainer = container;
if ( ( OletxVolatileEnlistmentState.Active != state ) &&
( OletxVolatileEnlistmentState.Preparing != state ) &&
( OletxVolatileEnlistmentState.Aborting != state ) &&
( OletxVolatileEnlistmentState.Committing != state ) &&
( OletxVolatileEnlistmentState.InDoubt != state )
)
{
throw TransactionException.CreateEnlistmentStateException( SR.GetString( SR.TraceSourceOletx ), null, this.DistributedTxId );
}
state = OletxVolatileEnlistmentState.Done;
}
// For the Preparing state, we need to decrement the outstanding
// count with the container. If the state is Active, it is an early vote so we
// just stay in the Done state and when we get the Prepare, we will vote appropriately.
if ( OletxVolatileEnlistmentState.Preparing == localState )
{
if ( null != localContainer )
{
// Specify true. If aborting, it is okay because the transaction is already
// aborting.
localContainer.DecrementOutstandingNotifications( true );
}
}
if ( DiagnosticTrace.Verbose )
{
MethodExitedTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
"OletxEnlistment.EnlistmentDone"
);
}
}
internal void InDoubt()
{
OletxVolatileEnlistmentState localState = OletxVolatileEnlistmentState.Active;
IEnlistmentNotificationInternal localEnlistmentNotification = null;
lock ( this )
{
// The app may have already called EnlistmentDone. If this occurs, don't bother sending
// the notification to the app and we don't need to tell the proxy.
if ( OletxVolatileEnlistmentState.Prepared == state )
{
localState = state = OletxVolatileEnlistmentState.InDoubt;
localEnlistmentNotification = iEnlistmentNotification;
}
else
{
if ( OletxVolatileEnlistmentState.Preparing == state )
{
pendingOutcome = TransactionStatus.InDoubt;
}
localState = state;
}
}
// Tell the application to do the work.
if ( OletxVolatileEnlistmentState.InDoubt == localState )
{
if ( null != localEnlistmentNotification )
{
if ( DiagnosticTrace.Verbose )
{
EnlistmentNotificationCallTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
this.InternalTraceIdentifier,
NotificationCall.InDoubt
);
}
localEnlistmentNotification.InDoubt( this );
}
else
{
if ( DiagnosticTrace.Critical )
{
InternalErrorTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
""
);
}
Debug.Assert( false, "OletxVolatileEnlistment.InDoubt, no enlistmentNotification member." );
throw new InvalidOperationException( SR.GetString( SR.InternalError ) );
}
}
else if ( OletxVolatileEnlistmentState.Preparing == localState )
{
// We have already set pendingOutcome, so there is nothing else to do.
}
else if ( OletxVolatileEnlistmentState.Done == localState )
{
// Early Exit - state was Done
}
else
{
if ( DiagnosticTrace.Critical )
{
InternalErrorTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
""
);
}
Debug.Assert( false, "OletxVolatileEnlistment.InDoubt, invalid state." );
throw new InvalidOperationException( SR.GetString( SR.InternalError ) );
}
}
internal void Rollback()
{
OletxVolatileEnlistmentState localState = OletxVolatileEnlistmentState.Active;
IEnlistmentNotificationInternal localEnlistmentNotification = null;
lock ( this )
{
// The app may have already called EnlistmentDone. If this occurs, don't bother sending
// the notification to the app and we don't need to tell the proxy.
if ( ( OletxVolatileEnlistmentState.Prepared == state ) ||
( OletxVolatileEnlistmentState.Active == state )
)
{
localState = state = OletxVolatileEnlistmentState.Aborting;
localEnlistmentNotification = iEnlistmentNotification;
}
else
{
if ( OletxVolatileEnlistmentState.Preparing == state )
{
pendingOutcome = TransactionStatus.Aborted;
}
localState = state;
}
}
// Tell the application to do the work.
if ( OletxVolatileEnlistmentState.Aborting == localState )
{
if ( null != localEnlistmentNotification )
{
if ( DiagnosticTrace.Verbose )
{
EnlistmentNotificationCallTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
this.InternalTraceIdentifier,
NotificationCall.Rollback
);
}
localEnlistmentNotification.Rollback( this );
}
// There is a small ---- where Rollback could be called when the enlistment is already
// aborting the transaciton, so just ignore that call. When the app enlistment
// finishes responding to its Rollback notification with EnlistmentDone, things will get
// cleaned up.
}
else if ( OletxVolatileEnlistmentState.Preparing == localState )
{
// We need to tolerate this state, but we have already marked the
// enlistment as pendingRollback, so there is nothing else to do here.
}
else if ( OletxVolatileEnlistmentState.Done == localState )
{
// Early Exit - state was Done
}
else
{
if ( DiagnosticTrace.Critical )
{
InternalErrorTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
""
);
}
Debug.Assert( false, "OletxVolatileEnlistment.Rollback, invalid state." );
throw new InvalidOperationException( SR.GetString( SR.InternalError ) );
}
}
internal void Prepare( OletxVolatileEnlistmentContainer container )
{
OletxVolatileEnlistmentState localState = OletxVolatileEnlistmentState.Active;
IEnlistmentNotificationInternal localEnlistmentNotification = null;
lock ( this )
{
localEnlistmentNotification = iEnlistmentNotification;
// The app may have already called EnlistmentDone. If this occurs, don't bother sending
// the notification to the app.
if ( OletxVolatileEnlistmentState.Active == state )
{
localState = state = OletxVolatileEnlistmentState.Preparing;
}
else
{
localState = state;
}
this.container = container;
}
// Tell the application to do the work.
if ( OletxVolatileEnlistmentState.Preparing == localState )
{
if ( null != localEnlistmentNotification )
{
if ( DiagnosticTrace.Verbose )
{
EnlistmentNotificationCallTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
this.InternalTraceIdentifier,
NotificationCall.Prepare
);
}
localEnlistmentNotification.Prepare( this );
}
else
{
if ( DiagnosticTrace.Critical )
{
InternalErrorTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
""
);
}
Debug.Assert( false, "OletxVolatileEnlistment.Prepare, no enlistmentNotification member." );
throw new InvalidOperationException( SR.GetString( SR.InternalError ) );
}
}
else if ( OletxVolatileEnlistmentState.Done == localState )
{
// Voting yes because it was an early read-only vote.
container.DecrementOutstandingNotifications( true );
// We must have had a ---- between EnlistmentDone and the proxy telling
// us Phase0Request. Just return.
return;
}
// It is okay to be in Prepared state if we are edpr=true because we already
// did our prepare in Phase0.
else if ( ( OletxVolatileEnlistmentState.Prepared == localState ) &&
( this.enlistDuringPrepareRequired ) )
{
container.DecrementOutstandingNotifications( true );
return;
}
else if ( ( OletxVolatileEnlistmentState.Aborting == localState ) ||
( OletxVolatileEnlistmentState.Aborted == localState ) )
{
// An abort has ----d with this volatile Prepare
// decrement the outstanding notifications making sure to vote no.
container.DecrementOutstandingNotifications( false );
return;
}
else
{
if ( DiagnosticTrace.Critical )
{
InternalErrorTraceRecord.Trace( SR.GetString( SR.TraceSourceOletx ),
""
);
}
Debug.Assert( false, "OletxVolatileEnlistment.Prepare, invalid state." );
throw new InvalidOperationException( SR.GetString( SR.InternalError ) );
}
}
