use crate::addressing::Address;
use crate::database::entry::{EntryValue, InvariantEntry};

pub const TYPE_TYPE: &str = "TYPE";
pub const TYPE_IS_ATTR: &str = "TYPE";
pub const TYPE_REQUIRES_ATTR: &str = "TYPE_REQUIRES";
pub const TYPE_HAS_ATTR: &str = "TYPE_HAS";
pub const TYPE_ID_ATTR: &str = "TYPE_ID";
pub const TYPE_INSTANCES_ATTR: &str = "TYPE_INSTANCES";
pub const IS_OF_TYPE_ATTR: &str = "IS";

lazy_static! {
    pub static ref TYPE_INVARIANT: InvariantEntry = InvariantEntry {
        attribute: String::from(TYPE_IS_ATTR),
        value: EntryValue::Value(serde_json::Value::from(TYPE_TYPE)),
    };
    pub static ref TYPE_ADDR: Address = TYPE_INVARIANT.entity().unwrap();
}