Spring data JPA query with parameter properties

Question

What is the simplest way of declaring a Spring data JPA query that uses properties of an input parameter as query parameters?

For example, suppose I have an entity c

Answer 1

@Autowired
private EntityManager entityManager;

@RequestMapping("/authors/{fname}/{lname}")
    public List actionAutherMulti(@PathVariable("fname") String fname, @PathVariable("lname") String lname) {
        return entityManager.createQuery("select A from Auther A WHERE A.firstName = ?1 AND A.lastName=?2")
                .setParameter(1, fname)
                .setParameter(2, lname)
                .getResultList();
    }