@Override
public void delete(int id) {
EntityManager em = EntityManagerHandler.getEntityManager();
try {
em.remove(em.find(entityType, id));
} finally {
em.close();
}
}
@Override
public DomainType getOne(int id) {
EntityManager em = EntityManagerHandler.getEntityManager();
try {
return mapper.map(em.find(entityType, id), domainType);
} finally {
em.close();
}
}
@Override
public DomainType update(DomainType domainEntity) {
EntityManager em = EntityManagerHandler.getEntityManager();
try {
EntityTransaction transaction = em.getTransaction();
EntityType entity = mapper.map(domainEntity, entityType);
transaction.begin();
entity = em.merge(entity);
transaction.commit();
return mapper.map(entity, domainType);
} finally {
em.close();
}
}
@SuppressWarnings("unchecked")
@Override
public List<DomainType> getAll() {
EntityManager em = EntityManagerHandler.getEntityManager();
try {
EntityTransaction transaction = em.getTransaction();
transaction.begin();
Query query = em.createQuery("SELECT entity FROM " + entityName + " entity");
List<DomainType> result = new ArrayList<DomainType>();
query.getResultList().stream().forEach(entity -> result.add(mapper.map(entity, domainType)));
transaction.commit();
return result;
} finally {
em.close();
}
}