Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package th.co.geniustree.intenship.advisor.spec; import javax.persistence.criteria.CriteriaBuilder; import javax.persistence.criteria.CriteriaQuery; import javax.persistence.criteria.Predicate; import javax.persistence.criteria.Root; import org.springframework.data.jpa.domain.Specification; import th.co.geniustree.intenship.advisor.model.Appointment; import th.co.geniustree.intenship.advisor.model.Appointment_; import th.co.geniustree.intenship.advisor.model.Student_; /** * * @author momo */ public class AppointmentSpec { public static Specification<Appointment> nameLike(final String keyword) { return new Specification() { @Override public Predicate toPredicate(Root root, CriteriaQuery cq, CriteriaBuilder cb) { return cb.like(cb.upper(root.get(Appointment_.student).get(Student_.name)), keyword.toUpperCase()); } }; } public static Specification<Appointment> nameTeacherLike(final String keyword) { return new Specification() { @Override public Predicate toPredicate(Root root, CriteriaQuery cq, CriteriaBuilder cb) { return cb.like(cb.upper(root.get(Appointment_.teacher).get(Student_.name)), keyword.toUpperCase()); } }; } }