Beispiel #1
0
 /**
  * Updates the given subject with the given data.
  *
  * @param subject The subject to be updated
  * @param code The subject code
  * @param name The subject name
  * @param educationType
  */
 public void update(Subject subject, String code, String name, EducationType educationType) {
   EntityManager entityManager = getEntityManager();
   subject.setCode(code);
   subject.setName(name);
   subject.setEducationType(educationType);
   entityManager.persist(subject);
 }
Beispiel #2
0
 /**
  * Creates a new subject.
  *
  * @param code The subject code
  * @param name The subject name
  * @param educationType
  * @return The created subject
  */
 public Subject create(String code, String name, EducationType educationType) {
   EntityManager entityManager = getEntityManager();
   Subject subject = new Subject();
   subject.setName(name);
   subject.setCode(code);
   subject.setEducationType(educationType);
   entityManager.persist(subject);
   return subject;
 }
Beispiel #3
0
  /**
   * Returns the subject corresponding to the given code.
   *
   * @param code The subject code
   * @return The subject corresponding to the given code
   */
  public Subject findByCode(String code) {
    // TODO How to add a case sensitive restriction with Hibernate and MySQL?
    //    List<Subject> subjects = s.createCriteria(Subject.class).add(Restrictions.eq("code",
    // code)).list();

    EntityManager entityManager = getEntityManager();

    CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
    CriteriaQuery<Subject> criteria = criteriaBuilder.createQuery(Subject.class);
    Root<Subject> root = criteria.from(Subject.class);
    criteria.select(root);
    criteria.where(criteriaBuilder.equal(root.get(Subject_.code), code));

    List<Subject> subjects = entityManager.createQuery(criteria).getResultList();

    for (Subject subject : subjects) {
      if (code.equals(subject.getCode())) return subject;
    }

    return null;
  }