private static void TimeoutCallback(object state)
{
TransactionWaitAsyncResult result = (TransactionWaitAsyncResult)state;
if (result.dependentTransaction != null)
{
result.dependentTransaction.Complete();
}
result.Complete(false, new TimeoutException(System.ServiceModel.Activities.SR.TransactionPersistenceTimeout));
}
static void TimeoutCallback(object state)
{
TransactionWaitAsyncResult thisPtr = (TransactionWaitAsyncResult)state;
Fx.Assert(null != thisPtr, "TransactionWaitAsyncResult.TimeoutCallback called with an object that is not a TransactionWaitAsyncResult.");
// As a general policy, we are not going to rollback the transaction because of this timeout. Instead, we are letting
// the caller make the decision to rollback or not based on exception we are throwing. It could be that they could
// tolerate the timeout and try something else and still commit the transaction.
if (thisPtr.dependentTransaction != null)
{
thisPtr.dependentTransaction.Complete();
}
thisPtr.Complete(false, new TimeoutException(SR.TransactionPersistenceTimeout));
}
internal bool QueueForTransactionLock(Transaction requestingTransaction, TransactionWaitAsyncResult txWaitAsyncResult)
{
lock (base.ThisLock)
{
if (this.lockingTransaction == 0)
{
if (null != requestingTransaction)
{
this.lockingTransaction = requestingTransaction.GetHashCode();
this.lockingTransactionObject = requestingTransaction.Clone();
}
return(true);
}
if ((null != requestingTransaction) && (this.lockingTransaction == requestingTransaction.GetHashCode()))
{
return(true);
}
this.transactionWaiterQueue.Enqueue(txWaitAsyncResult);
return(false);
}
}
internal void ScheduleNextTransactionWaiter()
{
TransactionWaitAsyncResult result = null;
bool flag = false;
lock (base.ThisLock)
{
bool flag2 = false;
if (0 < this.transactionWaiterQueue.Count)
{
while ((0 < this.transactionWaiterQueue.Count) && !flag2)
{
result = this.transactionWaiterQueue.Dequeue();
if (null != result.Transaction)
{
this.lockingTransactionObject = result.Transaction;
this.lockingTransaction = this.lockingTransactionObject.GetHashCode();
}
else
{
this.lockingTransaction = 0;
this.lockingTransactionObject = null;
}
flag2 = result.Complete() || flag2;
if (this.Detaching)
{
flag = true;
this.Detaching = false;
}
if (this.IsPermanentlyRemoved)
{
this.lockingTransaction = 0;
this.lockingTransactionObject = null;
while (0 < this.transactionWaiterQueue.Count)
{
flag2 = this.transactionWaiterQueue.Dequeue().Complete() || flag2;
}
}
while (0 < this.transactionWaiterQueue.Count)
{
TransactionWaitAsyncResult result2 = this.transactionWaiterQueue.Peek();
if (this.lockingTransaction == 0)
{
if (null != result2.Transaction)
{
this.lockingTransactionObject = result2.Transaction;
this.lockingTransaction = this.lockingTransactionObject.GetHashCode();
}
}
else if ((null == result2.Transaction) || (this.lockingTransaction != result2.Transaction.GetHashCode()))
{
continue;
}
flag2 = this.transactionWaiterQueue.Dequeue().Complete() || flag2;
}
}
}
if (!flag2)
{
this.lockingTransaction = 0;
this.lockingTransactionObject = null;
}
}
if (flag)
{
this.directory.RemoveInstance(this, false);
}
}
internal void EndEnlist(IAsyncResult result)
{
TransactionWaitAsyncResult.End(result);
base.ThrowIfDisposedOrNotOpen();
}
