pl.ais.commons.bean.validation.constrainable.ConstrainableVisitor Maven / Gradle / Ivy
package pl.ais.commons.bean.validation.constrainable;
import javax.annotation.CheckForNull;
import javax.annotation.Nonnull;
/**
* Defines the API contract for Constrainable visitor.
*
* @author Warlock, AIS.PL
* @since 1.2.1
*/
public interface ConstrainableVisitor {
/**
* Visits given constrainable value.
*
* @param constrainable the constrainable value to be visited
* @return value specific for the concrete visitor implementation, can be {@code null}
*/
@CheckForNull
R visit(@Nonnull ConstrainableValue constrainable);
/**
* Visits given constrainable group.
*
* @param constrainable the constrainable group to be visited
* @return value specific for the concrete visitor implementation, can be {@code null}
*/
@CheckForNull
R visit(@Nonnull ConstrainableGroup constrainable);
}