public override string ToString()
{
string value = "";
value += "ENTITY TYPES:\n";
foreach (EntityType et in _entityTypes)
{
value += et.ToString() + "\n";
}
value += "\nPREDICATES:\n";
foreach (IPredicate p in _predicates)
{
if (p.GetType() == typeof(UnaryPredicate))
{
UnaryPredicate up = p as UnaryPredicate;
value += up.ToString() + "\n";
}
else if (p.GetType() == typeof(BinaryPredicate))
{
BinaryPredicate bp = p as BinaryPredicate;
value += bp.ToString() + "\n";
}
}
value += "\nACTIONS:\n";
foreach (Action a in _actions)
{
value += a.ToString() + "\n";
}
return(value);
}
public UnaryRelation(Entity source, IPredicate predicate, RelationValue value)
{
if (source == null)
{
throw new System.ArgumentNullException("Relation source cannot be null", "source");
}
if (predicate == null)
{
throw new System.ArgumentNullException("Relation predicate cannot be null", "predicate");
}
if (predicate.GetType() != typeof(UnaryPredicate))
{
throw new System.ArgumentNullException("Unary relation predicate must be a unary predicate", "predicate");
}
UnaryPredicate unaryPredicate = predicate as UnaryPredicate;
if (source.Type.Equals(predicate.Source) == false)
{
throw new System.ArgumentException("Relation source is not of the specified predicate type", source + " " + predicate.Source);
}
_source = source;
_predicate = unaryPredicate;
_value = value;
}
public UnaryRelation generateRelationFromPredicateName(string name, Entity source, RelationValue value)
{
UnaryRelation relation = null;
UnaryPredicate up = null;
IPredicate p = getPredicate(name);
if (p.GetType() == typeof(UnaryPredicate))
{
up = p as UnaryPredicate;
relation = new UnaryRelation(source, up, value);
}
else
{
throw new System.ArgumentException("The specified Predicate name is not UnaryPredicate", "generateRelationFromPredicateName(name, source)");
}
return(relation);
}
public override bool Equals(object obj)
{
if (obj == null)
{
return(false);
}
if (obj.GetType() != typeof(UnaryPredicate))
{
return(false);
}
UnaryPredicate otherPredicate = obj as UnaryPredicate;
if (_source.Equals(otherPredicate.Source) == false)
{
return(false);
}
if (_name.Equals(otherPredicate.Name) == false)
{
return(false);
}
return(true);
}
