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Duvida sobre critéria

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@Dayson_Rodrigues escreveu:

Comecei meus estudos em JPA e Hibernate só que estou com uma duvida referente ao Critéria e possuo 2 exemplos usando Critéria, e estou pouco confuso:

Exemplo 1:

CriteriaBuilder buider = em.getCriteriaBuilder();
CriteriaQuery<Cliente> criteriaQuery = builder.createQuery(Cliente.class); 
criteriaQuery.from(Cliente.class); //fazendo um tipo de consulta.
TypedQuery<Cliente> query = em.createQuery(criteriaQuery); 
List<Cliente> clientes = query.getResultList();

Exemplo 2

Session session = this.manager.unwrap(Session.class);
Criteria criteria = session.createCriteria(Aluguel.class);

if (dataEntrega != null) {
      criteria.add(Restrictions.between("dataEntrega"
              , geraDataInicial(dataEntrega), geraDataFinal(dataEntrega)));
}

Mensagens: 3

Participantes: 2

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