好吧，我终于找到了调用gt（）方法的正确方法。这是完整的解决方案。在JBoss 6中经过全面测试。
public List<BankAccount> findWithBalance(int amount) { CriteriaBuilder cb = em.getCriteriaBuilder(); CriteriaQuery<BankAccount> cq = cb.createQuery(BankAccount.class); Root<BankAccount> from = cq.from(BankAccount.class); Parameterexpression<Integer> balance = cb.parameter(Integer.class); cq.select(from); //Here is the trick! Predicate predicate = cb.gt(from.<Integer> get("balance"), balance); cq.where(predicate); cq.orderBy(cb.asc(from.get("ownerName"))); TypedQuery<BankAccount> query = em.createQuery(cq); query.setParameter(balance, amount); return query.getResultList();}
