public ISet <Event> Eval(Event context, Event root)
{
//System.out.println("Checking '" + this.ToString() + "' in context: " + context.location());
if (Child == null)
{
//System.out.println("1");
return(ApplyFilter(EvalCurrentNode(context, root), context));
}
else
{
//System.out.println("2");
//System.out.println(current(context,root));
HashSet <Event> result = new HashSet <Event>();
foreach (Event e in ApplyFilter(EvalCurrentNode(context, root), context))
{
result.UnionWith(Child.Eval(e, root));
}
return(result);
}
}
public override DataType Eval(Event context)
{
var result = value.Eval(context);
return new EventSet(result);
}
