MetaDataService.java 文件源码

long countQIWithMetaData(T entity, SetAttribute<QMBaseIndicator, QModelTagData> attribute) {
    CriteriaBuilder cb = em.getCriteriaBuilder();
    CriteriaQuery<Long> query = cb.createQuery(Long.class);
    Root<QMQualityIndicator> root = query.from(QMQualityIndicator.class);
    Join<QMQualityIndicator, QModelTagData> join = root.join(attribute);
    query.where(join.get(QModelTagData_.tagId).in(entity.getId()));
    query.select(cb.countDistinct(root));
    return em.createQuery(query).getSingleResult();
}