Single DAO & generic CRUD methods (JPA/Hibernate + Spring)
Here is an example interface: public interface GenericDao<T, PK extends Serializable> { T create(T t); T read(PK id); T update(T t); void delete(T t); } And an implementation: public class GenericDaoJpaImpl<T, PK extends Serializable> implements GenericDao<T, PK> { protected Class<T> entityClass; @PersistenceContext protected EntityManager entityManager; public GenericDaoJpaImpl() { ParameterizedType genericSuperclass = (ParameterizedType) getClass() .getGenericSuperclass(); this.entityClass … Read more