constraint to limit the objects returned upon query execution .
Constraints are constructed by calling Query.constrain() .
Constraints can be joined with the methods com.db4o.query.Constraint.And and com.db4o.query.Constraint.Or .
The methods to modify the constraint evaluation algorithm may be merged, to construct combined evaluation rules. Examples:
Constraint#smaller().equal()for "smaller or equal"
Constraint#not().like()for "not like"
Constraint#not().greater().equal()for "not greater or equal"
For a list of all members of this type, see Constraint Members.
com.db4o.query.Constraint
com.db4o.query.Constraints
Namespace: com.db4o.query
Assembly: db4o (in db4o.dll)
Constraint Members | com.db4o.query Namespace