TaskEntityMgr.java 文件源码

public List<TaskRecord> getUncompletedTasks() {
    CriteriaBuilder cb = this.em.getCriteriaBuilder();

    CriteriaQuery<TaskRecord> query = cb.createQuery(TaskRecord.class);
    Root<TaskRecord> from = query.from(TaskRecord.class);

    query = query.select(from).where(
            cb.notEqual(from.get("state"), COMPLETED));

    return this.em.createQuery(query).getResultList();
}