use crate::addressing::Address;
use crate::database::entry::InvariantEntry;

pub const IS_OF_ATTR: &str = "OF";
pub const ATTR_BY_ATTR: &str = "BY";

pub const LABEL_ATTR: &str = "LBL";
pub const ADDED_ATTR: &str = "ADDED";

lazy_static! {
    pub static ref HIER_ROOT_INVARIANT: InvariantEntry = InvariantEntry {
        attribute: String::from(IS_OF_ATTR),
        value: "HIER_ROOT".into(),
    };
    pub static ref HIER_ROOT_ADDR: Address = HIER_ROOT_INVARIANT.entity().unwrap();
}