internal static Transaction FindPromotedTransaction(
Guid transactionIdentifier
)
{
Hashtable promotedTransactionTable = PromotedTransactionTable;
WeakReference weakRef = (WeakReference)promotedTransactionTable[transactionIdentifier];
if (null != weakRef)
{
Transaction tx = weakRef.Target as Transaction;
if (null != tx)
{
return(tx.InternalClone());
}
else // an old, moldy weak reference. Let's get rid of it.
{
lock ( promotedTransactionTable )
{
promotedTransactionTable.Remove(transactionIdentifier);
}
}
}
return(null);
}
internal static Transaction FindOrCreatePromotedTransaction(Guid transactionIdentifier, OletxTransaction oletx)
{
Transaction target = null;
Hashtable promotedTransactionTable = PromotedTransactionTable;
lock (promotedTransactionTable)
{
WeakReference reference = (WeakReference)promotedTransactionTable[transactionIdentifier];
if (reference != null)
{
target = reference.Target as Transaction;
if (null != target)
{
oletx.Dispose();
return(target.InternalClone());
}
lock (promotedTransactionTable)
{
promotedTransactionTable.Remove(transactionIdentifier);
}
}
target = new Transaction(oletx)
{
internalTransaction = { finalizedObject = new FinalizedObject(target.internalTransaction, oletx.Identifier) }
};
reference = new WeakReference(target, false);
promotedTransactionTable[oletx.Identifier] = reference;
}
oletx.savedLtmPromotedTransaction = target;
FireDistributedTransactionStarted(target);
return(target);
}
// Fire completion to anyone registered for outcome
internal void FireCompletion()
{
TransactionCompletedEventHandler?eventHandlers = _transactionCompletedDelegate;
if (eventHandlers != null)
{
TransactionEventArgs args = new TransactionEventArgs();
args._transaction = _outcomeSource.InternalClone();
eventHandlers(args._transaction, args);
}
}
internal static void FireDistributedTransactionStarted(Transaction transaction)
{
TransactionStartedEventHandler?localStartedEventHandler = null;
lock (ClassSyncObject)
{
localStartedEventHandler = s_distributedTransactionStartedDelegate;
}
if (null != localStartedEventHandler)
{
TransactionEventArgs args = new TransactionEventArgs();
args._transaction = transaction.InternalClone();
localStartedEventHandler(args._transaction, args);
}
}
internal static void FireDistributedTransactionStarted(Transaction transaction)
{
TransactionStartedEventHandler distributedTransactionStartedDelegate = null;
lock (ClassSyncObject)
{
distributedTransactionStartedDelegate = TransactionManager.distributedTransactionStartedDelegate;
}
if (distributedTransactionStartedDelegate != null)
{
TransactionEventArgs e = new TransactionEventArgs {
transaction = transaction.InternalClone()
};
distributedTransactionStartedDelegate(e.transaction, e);
}
}
internal static void ProcessExistingTransactions(TransactionStartedEventHandler eventHandler)
{
lock ( PromotedTransactionTable )
{
foreach (DictionaryEntry entry in PromotedTransactionTable)
{
WeakReference weakRef = (WeakReference)entry.Value;
Transaction tx = (Transaction)weakRef.Target;
if (tx != null)
{
TransactionEventArgs args = new TransactionEventArgs();
args.transaction = tx.InternalClone();
eventHandler(args.transaction, args);
}
}
}
}
internal static void ProcessExistingTransactions(TransactionStartedEventHandler eventHandler)
{
lock (PromotedTransactionTable)
{
foreach (DictionaryEntry entry in PromotedTransactionTable)
{
WeakReference reference = (WeakReference)entry.Value;
Transaction target = (Transaction)reference.Target;
if (target != null)
{
TransactionEventArgs e = new TransactionEventArgs {
transaction = target.InternalClone()
};
eventHandler(e.transaction, e);
}
}
}
}
internal static Transaction FindOrCreatePromotedTransaction(
Guid transactionIdentifier,
Oletx.OletxTransaction oletx
)
{
Transaction tx = null;
Hashtable promotedTransactionTable = PromotedTransactionTable;
lock (promotedTransactionTable)
{
WeakReference weakRef = (WeakReference)promotedTransactionTable[transactionIdentifier];
if (null != weakRef)
{
tx = weakRef.Target as Transaction;
if (null != tx)
{
// If we found a transaction then dispose the oletx
oletx.Dispose();
return(tx.InternalClone());
}
else // an old, moldy weak reference. Let's get rid of it.
{
lock ( promotedTransactionTable )
{
promotedTransactionTable.Remove(transactionIdentifier);
}
}
}
tx = new Transaction(oletx);
// Since we are adding this reference to the table create an object that will clean that
// entry up.
tx.internalTransaction.finalizedObject = new FinalizedObject(tx.internalTransaction, oletx.Identifier);
weakRef = new WeakReference(tx, false);
promotedTransactionTable[oletx.Identifier] = weakRef;
}
oletx.savedLtmPromotedTransaction = tx;
TransactionManager.FireDistributedTransactionStarted(tx);
return(tx);
}
internal static void ProcessExistingTransactions(TransactionStartedEventHandler eventHandler)
{
lock (PromotedTransactionTable)
{
// Manual use of IDictionaryEnumerator instead of foreach to avoid DictionaryEntry box allocations.
IDictionaryEnumerator e = PromotedTransactionTable.GetEnumerator();
while (e.MoveNext())
{
WeakReference weakRef = (WeakReference)e.Value;
Transaction tx = (Transaction)weakRef.Target;
if (tx != null)
{
TransactionEventArgs args = new TransactionEventArgs();
args._transaction = tx.InternalClone();
eventHandler(args._transaction, args);
}
}
}
}
internal static Transaction FindPromotedTransaction(Guid transactionIdentifier)
{
Hashtable promotedTransactionTable = PromotedTransactionTable;
WeakReference reference = (WeakReference)promotedTransactionTable[transactionIdentifier];
if (reference != null)
{
Transaction target = reference.Target as Transaction;
if (null != target)
{
return(target.InternalClone());
}
lock (promotedTransactionTable)
{
promotedTransactionTable.Remove(transactionIdentifier);
}
}
return(null);
}
internal static void FireDistributedTransactionStarted( Transaction transaction )
{
TransactionStartedEventHandler localStartedEventHandler = null;
lock ( ClassSyncObject )
{
localStartedEventHandler = TransactionManager.distributedTransactionStartedDelegate;
}
if ( null != localStartedEventHandler )
{
TransactionEventArgs args = new TransactionEventArgs();
args.transaction = transaction.InternalClone();
localStartedEventHandler(args.transaction, args);
}
}
internal static void FireDistributedTransactionStarted(Transaction transaction)
{
TransactionStartedEventHandler distributedTransactionStartedDelegate = null;
lock (ClassSyncObject)
{
distributedTransactionStartedDelegate = TransactionManager.distributedTransactionStartedDelegate;
}
if (distributedTransactionStartedDelegate != null)
{
TransactionEventArgs e = new TransactionEventArgs {
transaction = transaction.InternalClone()
};
distributedTransactionStartedDelegate(e.transaction, e);
}
}
