siena::constraint Class Reference

interface of a generic constraint in the Siena data model. More...

#include <types.h>

Inheritance diagram for siena::constraint:

List of all members.

Public Member Functions
virtual	~constraint ()
	virtual destructor
virtual operator_id	op () const =0
	returns the operator defined for this constraint.
virtual bool	covers (const attribute &a) const throw ()
	applies this constraint to an attribute.

---

Detailed Description

interface of a generic constraint in the Siena data model.

A constraint is defined by a name, an operator and a value.

See also:

see operator_id, attribute, value

---

Member Function Documentation

virtual bool siena::constraint::covers

(

const attribute &

a

)

const throw () [virtual]

applies this constraint to an attribute.

Returns:

true iff this constraint matches (i.e., covers) the given attribute.

---

The documentation for this class was generated from the following file:

• types.h