private ArithFunction GetArithFunction(Literal l)
{
ArithFunction af = null;
if (curAg != null)
{
// try to find the function in agent register
af = curAg.GetFunction(l.GetFunctor(), l.GetArity());
}
if (af == null)
{
// try global function
af = FunctionRegister.GetFunction(l.GetFunctor(), l.GetArity());
}
return(af);
}
public void AddFunction(string function, int arity, string literal)
{
try
{
string error = FunctionRegister.CheckFunctionName(function);
if (error != null)
{
//logger.warning(error);
}
else
{
functions.Add(function, new RuleToFunction(literal, arity));
}
}
catch (Exception e)
{
//logger.log(Level.SEVERE, "Error registering function " + literal, e);
}
}
public ArithFunction GetFunction(string function, int arity)
{
if (functions == null)
{
return(null);
}
ArithFunction af;
functions.TryGetValue(function, out af);
if (af == null || !af.CheckArity(arity))
{
af = FunctionRegister.GetFunction(function, arity);
}
if (af != null && af.CheckArity(arity))
{
return(af);
}
else
{
return(null);
}
}
//Class<? extends ArithFunction> c ?? wtf is this
private void AddFunction(Type c, bool user)
{
try
{
ArithFunction af = (ArithFunction)Activator.CreateInstance(typeof(ArithFunction));
string error = null;
if (user)
{
error = FunctionRegister.CheckFunctionName(af.GetName());
}
if (error != null)
{
//logger.warning(error);
}
else
{
functions.Add(af.GetName(), af);
}
}
catch (Exception e)
{
//logger.log(Level.SEVERE, "Error registering function " + c.getName(), e);
}
}
