Write a short Performance Quality Scenario for the Aqualush automatic irrigation use case.

Performance is about timeliness. Events occur and the system must respond in a timely fashion.

B.8 AquaLush Conceptual Model Overview Although no manual irrigation cycle is mentioned explicitly in the SRS or the use case model, it seems appropriate to have one to go along with the automatic irrigation cycle that is central to the way that automatic irrigation wo rks User Control Panel interactsWith Clock controls timeOfDay MilitaryTime AquaLush day Day mode-ModeType automatic runs runs reads Sensor AutomaticlrrigationCycle ManuallrrigationCycle totalWaterUsed: Integer id Sensorldentifier location String moistureLevel: Percent isOperational Boolean true irrigationTime : Time = (0200,everyDay) waterAllocation : WholeNumber = 10000 manipulates 1..32 irrigates Valve specifies. has id: Valveldentifier location String type String flowRate: WholeNumber isOpen Boolean isOperational : Boolean true valveAllocation : WholeNumber minutesOpen Integer gallonsUsed: Integer specifies ConfigurationFile 1.1024 IrrigationZone 11.32 id Zoneldentifier location: String has 1..32 1 | critica!MoistureLevel : Percent = 50 0.32 represents SimClock SimSite reads evaporationRate : Percent-10 | timeOfDay MilitaryTime day Day speed WholeNumber 10 PersistentStore failedValve: Valve[0. 1024] failedSensor Sensor[0..32] criticalMoietureLevel WholeNumber[1. 32] mode ModeType irrigationTime Timee controls interactsWith Simulatiorn User Figure B-8-1 AquaLush Conceptual Model B.8 AquaLush Conceptual Model Overview Although no manual irrigation cycle is mentioned explicitly in the SRS or the use case model, it seems appropriate to have one to go along with the automatic irrigation cycle that is central to the way that automatic irrigation wo rks User Control Panel interactsWith Clock controls timeOfDay MilitaryTime AquaLush day Day mode-ModeType automatic runs runs reads Sensor AutomaticlrrigationCycle ManuallrrigationCycle totalWaterUsed: Integer id Sensorldentifier location String moistureLevel: Percent isOperational Boolean true irrigationTime : Time = (0200,everyDay) waterAllocation : WholeNumber = 10000 manipulates 1..32 irrigates Valve specifies. has id: Valveldentifier location String type String flowRate: WholeNumber isOpen Boolean isOperational : Boolean true valveAllocation : WholeNumber minutesOpen Integer gallonsUsed: Integer specifies ConfigurationFile 1.1024 IrrigationZone 11.32 id Zoneldentifier location: String has 1..32 1 | critica!MoistureLevel : Percent = 50 0.32 represents SimClock SimSite reads evaporationRate : Percent-10 | timeOfDay MilitaryTime day Day speed WholeNumber 10 PersistentStore failedValve: Valve[0. 1024] failedSensor Sensor[0..32] criticalMoietureLevel WholeNumber[1. 32] mode ModeType irrigationTime Timee controls interactsWith Simulatiorn User Figure B-8-1 AquaLush Conceptual Model