public override void CreateNodes(PolarTripleStore store)
{
foreach (var alternative in alternatives)
{
alternative.CreateNodes(store);
sparqlResultSet.ResetDiapason(startVariable, alternative.endIndexVariable);
}
}
private IEnumerable <Action> Optional(Func <IEnumerable <Action> > graphSelector)
{
//var packBox = Enumerable.Repeat(pack, 1); // as RPackInt[] ?? packs.ToArray();
bool any = false;
foreach (var rPackInt in graphSelector())
{
yield return(rPackInt);
if (!any)
{
any = true;
}
}
if (!any)
{
yield return(() => sparqlResultSet.ResetDiapason(StartIndex, EndIndex));
}
}