PredicateBuilderSpecification.java 文件源码

@Override
public Predicate toPredicate(final Root<T> root, final CriteriaQuery<?> query, final CriteriaBuilder cb) {
    final List<Predicate> predicates = new ArrayList<>();

    for (final PredicateBuilder predicateBuilder : predicateBuilders) {
        final Predicate predicate = predicateBuilder.toPredicate(root, query, cb);
        if (predicate != null) {
            predicates.add(predicate);
        }
    }

    return cb.and(predicates.toArray(new Predicate[] {}));
}