public IEnumerator <Unifier> LogicalConsecuence(Agent ag, Unifier un)
{
if (ag == null || ag.GetReasoner().GetUserAgArch().IsRunning())
{
try
{
InternalAction ia = GetIA(ag);
if (!ia.CanBeUsedInContext())
{
Debug.Log(GetErrorMsg() + ": internal action" + GetFunctor() + " cannot be used in context or rules");
return(LogExpr.EMPTY_UNIF_LIST.GetEnumerator());
}
//calls IA's execute method
object oresult = ia.Execute(ag.GetReasoner(), un, ia.PrepareArguments(this, un));
if (oresult.GetType() == typeof(bool) && (bool)oresult)
{
return(LogExpr.CreateUnifEnumerator(un));
}
else if (oresult.GetType() == typeof(IEnumerator <>))
{
return((IEnumerator <Unifier>)oresult);
}
}
catch (Exception e)
{
Debug.Log("*-*-*" + GetFunctor() + " concurrent exception - try later" + e.ToString());
try
{
Thread.Sleep(2000);
}
catch (Exception e1)
{
return(LogicalConsecuence(ag, un));
}
}
}
return(LogExpr.EMPTY_UNIF_LIST.GetEnumerator());
}
public override IEnumerator <Unifier> LogicalConsequence(Agent ag, Unifier un)
{
return(LogExpr.CreateUnifEnumerator(un));
}
