- /**
- * Data has not been loaded yet (or the object was cleared)
- */
- const DATA_NOT_LOADED = 0;
-
- /**
- * Data has been loaded from a slave database
- */
- const DATA_FROM_SLAVE = 1;
-
- /**
- * Data has been loaded from the master database
- */
- const DATA_FROM_MASTER = 2;
-
- /**
- * Data has been loaded from the master database using FOR UPDATE
- */
- const DATA_FOR_UPDATE = 3;
-