Alarm
Alarm event, optionally linked to a parent alarm, state, and station.
Entity: Alarm
Description
Alarm event, optionally linked to a parent alarm, state, and station.
Attributes
| Attribute | Type / Unit | Description |
|---|---|---|
AID | PK (UUID/string) | Alarm id. |
parent_AID | FK → Alarm(AID) | Parent alarm (self-ref). |
ASID | FK → AlarmState(ASID) | Alarm state. |
FSID | FK → FireStation(FSID) | Related fire station. |
x1 | number | Extra field/coordinate. |
y1 | number | Extra field/coordinate. |
x2 | number | Extra field/coordinate. |
x3 | number | Extra field/coordinate. |
Keys
- Primary Key:
AID - Foreign Keys:
parent_AID→Alarm.AID,ASID→AlarmState.ASID,FSID→FireStation.FSID - Unique Keys: —