private AsyncResult.AsyncCompletion GetNextCompletion()
{
AsyncResult.AsyncCompletion asyncCompletion = this.nextAsyncCompletion;
this.transactionContext = null;
this.nextAsyncCompletion = null;
return(asyncCompletion);
}
protected IDisposable PrepareTransactionalCall(Transaction transaction)
{
object transactionSignalScope;
if (this.transactionContext != null && !this.transactionContext.IsPotentiallyAbandoned)
{
AsyncResult.ThrowInvalidAsyncResult("PrepareTransactionalCall should only be called as the object of non-nested using statements. If the Begin succeeds, Check/SyncContinue must be called before another PrepareTransactionalCall.");
}
if (transaction == null)
{
transactionSignalScope = null;
}
else
{
transactionSignalScope = new AsyncResult.TransactionSignalScope(this, transaction);
}
AsyncResult.TransactionSignalScope transactionSignalScope1 = (AsyncResult.TransactionSignalScope)transactionSignalScope;
this.transactionContext = (AsyncResult.TransactionSignalScope)transactionSignalScope;
return(transactionSignalScope1);
}
protected AsyncCallback PrepareAsyncCompletion(AsyncResult.AsyncCompletion callback)
{
if (this.transactionContext != null)
{
if (!this.transactionContext.IsPotentiallyAbandoned)
{
this.transactionContext.Prepared();
}
else
{
this.transactionContext = null;
}
}
this.nextAsyncCompletion = callback;
if (AsyncResult.asyncCompletionWrapperCallback == null)
{
AsyncResult.asyncCompletionWrapperCallback = new AsyncCallback(AsyncResult.AsyncCompletionWrapperCallback);
}
return(AsyncResult.asyncCompletionWrapperCallback);
}
