protected virtual void PerformAtomicOperation(IAtomicOperation operation, CancellationToken cancellationToken)
{
if (operation != null)
{
try {
IOperation successor = operation.Operator.Execute((IExecutionContext)operation, cancellationToken);
if (successor != null)
{
OperatorTrace.RegisterParenthood(operation, successor);
ExecutionStack.Add(successor);
}
CurrentOperation = null;
}
catch (Exception ex) {
if (ex is OperationCanceledException)
{
throw ex;
}
else
{
throw new OperatorExecutionException(operation.Operator, ex);
}
}
}
}
public void Prepare(IOperation initialOperation)
{
base.Prepare();
ExecutionStack.Clear();
if (initialOperation != null)
ExecutionStack.Add(initialOperation);
CurrentOperation = null;
OperatorTrace.Reset();
OnPrepared();
}
