Using Java generics for JPA findAll() query with WHERE clause

Question

So, After a 10+ year break I\'m coming back to Java and trying out stuff with JPA and Java generics. I\'ve created a generics based findAll(other) JPA query tha

Answer 1

This will work, and if you need where statement you can add it as parameter.

class GenericDAOWithJPA {

.......

public List findAll() {
            return entityManager.createQuery("Select t from " + persistentClass.getSimpleName() + " t").getResultList();
    }
}