IsmSecurityGroupInterfaceApi.java 文件源码

private SecurityGroupInterfaceEntity getSecurityGroupInterfaceById(String id, DeviceEntity device)
        throws Exception {
    return this.txControl.supports(() -> {
        CriteriaBuilder cb = IsmSecurityGroupInterfaceApi.this.em.getCriteriaBuilder();
        CriteriaQuery<SecurityGroupInterfaceEntity> query = cb.createQuery(SecurityGroupInterfaceEntity.class);
        Root<SecurityGroupInterfaceEntity> root = query.from(SecurityGroupInterfaceEntity.class);

        query.select(root).where(cb.equal(root.get("id"), Long.valueOf(id)), cb.equal(root.get("device"), device));

        SecurityGroupInterfaceEntity result = null;
        try {
            result = IsmSecurityGroupInterfaceApi.this.em.createQuery(query).getSingleResult();
        } catch (NoResultException e) {
            LOG.error(String.format("Cannot find Security group interface with id %s under device %s", id,
                    device.getId()));
        }
        return result;
    });
}