jdewind

[x | x <- (zip [1..] ['A'..'Z']), even (fst x)]

jdewind

@Override
protected void configure() {
    RefreshEntityInterceptor refreshEntityInterceptor = new RefreshEntityInterceptor();
    requestInjection(refreshEntityInterceptor);
    bindInterceptor(Matchers.any(), Matchers.annotatedWith(RefreshEntity.class), refreshEntityInterceptor);
}

jdewind

public class RefreshEntityInterceptor implements MethodInterceptor {

    @Inject
    private Provider<EntityManager> entityManagerProvider;

    @Inject
    protected Logger logger;


    @SuppressWarnings("unchecked")

jdewind

@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface RefreshEntity {
}

jdewind

@RefreshEntity
public List<SchoolBus> findAll() {
    CriteriaBuilder criteriaBuilder = getEntityManager().getCriteriaBuilder();
    CriteriaQuery<SchoolBus> criteriaQuery = criteriaBuilder.createQuery(SchoolBus.class);
    Root<SchoolBus> table = criteriaQuery.from(SchoolBus.class);
    TypedQuery<SchoolBus> query = getEntityManager().createQuery(criteriaQuery.select(table).orderBy(criteriaBuilder.asc(table.get("busNumber"))));
    return query.getResultList();
}
                    
@RefreshEntity

jdewind

public List<SchoolBus> findAll() {
    CriteriaBuilder criteriaBuilder = getEntityManager().getCriteriaBuilder();
    CriteriaQuery<SchoolBus> criteriaQuery = criteriaBuilder.createQuery(SchoolBus.class);
    Root<SchoolBus> table = criteriaQuery.from(SchoolBus.class);
    TypedQuery<SchoolBus> query = getEntityManager().createQuery(criteriaQuery.select(table).orderBy(criteriaBuilder.asc(table.get("busNumber"))));
    refreshSchoolBuses(query.getResultList());
    return query.getResultList();
}

public SchoolBus findById(Long id) {

jdewind

public List<SchoolBus> findAll() {
    CriteriaBuilder criteriaBuilder = getEntityManager().getCriteriaBuilder();
    CriteriaQuery<SchoolBus> criteriaQuery = criteriaBuilder.createQuery(SchoolBus.class);
    Root<SchoolBus> table = criteriaQuery.from(SchoolBus.class);
    TypedQuery<SchoolBus> query = getEntityManager().createQuery(criteriaQuery.select(table).orderBy(criteriaBuilder.asc(table.get("busNumber"))));
    /*
    / Refresh all the school buses
    */
    for (SchoolBus schoolBus : query.getResultList()) {
        schoolBus.getStudents().clear();

jdewind

@Transactional
public void save(Object entity) {
    getEntityManager().persist(entity);
}

jdewind

public void save(Object entity) {
    final EntityTransaction transaction = getEntityManager().getTransaction();
    transaction.begin();
    try {
        getEntityManager().persist(entity);
        transaction.commit();
    } catch (Throwable e) {
        transaction.rollback();
        throw new RuntimeException(e);
    }

jdewind

(def config-file (ref nil))

(def data (ref []))

(defn -main [& args]
  (let [{:keys [config] inputs}] (cli args ["--config" "Config file"])
    (dosync (ref-set config-file config))
    (println @config-file)
    (dosync (ref-set data [1 2 3]))
    (println @data)))