init method
Implementation
@override
Future<void> init(
SchemaMetaData smd, SchemaMetaData smdSys, DbTransaction transaction) async {
await super.init(smd, smdSys, transaction);
defaultWaterState = WaterState.CLIENT_STORED;
validWaterStates = {
WaterState.CLIENT_STORED,
WaterState.CLIENT_REJECTED,
WaterState.CLIENT_APPROVED
};
}