Esempio n. 1
0
        public override bool Equals(object obj)
        {
            SetItem r = obj as SetItem;

            if (r == null)
            {
                return(false);
            }
            return(this == r);
        }
Esempio n. 2
0
        private void FireWildCards(LinkedListNode <ICondition> nextcondition)
        {
            //  set (a b c)
            //  set (a b ?x)
            if (!_variables.Contains(_relationship.Set))
            {
                //  if the variable does not exist we need to
                //  find the value within each relationship
                //  and fire the children

                _variables.Add(_relationship.Set);

                foreach (Relationship r in _knowledge[_relationship.Key])
                {
                    if (r.Set.IsMatchTo(_relationship.Set))
                    {
                        for (int i = 0; i < _relationship.Set.Count; i++)
                        {
                            SetItem item = _relationship.Set[i];
                            if (item.IsWildcard)
                            {
                                _variables[item.Variable.ID].Value = r.Set[i].Value;
                            }
                        }

                        FireNextCondition(nextcondition);
                    }
                }

                _variables.Remove(_relationship.Set);
            }
            else
            {
                //  if the variable does exist, we need to
                //  substitute the value
                //  and fire the children
                Fire(nextcondition, _relationship.Clone());
            }
        }