Class ConstraintSelectTransfomer

  • public class ConstraintSelectTransfomer
    extends Object
    Decides if a constraint with context T, guard G and check C can be rephrased into a single|G and not C) query, which can be efficiently executed by certain IModel implementations (e.g. Hawk or SQL).
    • Constructor Detail

      • ConstraintSelectTransfomer

        public ConstraintSelectTransfomer()
    • Method Detail

      • canBeTransformed

        public boolean canBeTransformed​(Constraint constraint)
      • transformIntoSelect

        public ExecutableBlock<?> transformIntoSelect​(Constraint constraint)
        Produces a new ExecutableBlock that will find all invalid objects at once. This method assumes that canBeTransformed(Constraint) was checked first, and that it returned true.