我有班主任 public class Director { private Long id; @OneToOne(cascade = CascadeType.ALL) @JoinColumn(name="transacao_id") private Company company; private Date registrationDate; ... }我有一个班级公司 public class Company { private Long id; private String cnpj; private String description; ... }我需要在谓词中添加另一个过滤器...我需要从Director获取列表,使用 jpa 谓词过滤cnpj 列表,例如:private Predicate[] criarRestricoes(FilterDTO filter, CriteriaBuilder builder, Root<Director> root) { List<Predicate> predicates = new ArrayList<>(); Date today = new Date(); if (filter.getRegistrationDate() != null) { predicates.add(builder.between(root.get("registrationDate").as(Date.class), today, filter.dateParam)); } if (!StringUtils.isEmpty(filter.getCnpj())) { predicates.add(builder.equal(???????????, ???????????????); } return predicates.toArray(new Predicate[predicates.size()]); }
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