An exception for terminatinating execution or to throw for unit testing.
lookUpStatus($objectId, $userId)
lookupStatusChanged(int $objId, int $userId)
static _lookupStatus($a_obj_id, $a_user_id, $a_create=true)
Lookup status.
static _lookupStatusChanged($a_obj_id, $a_user_id)
Lookup status changed.