Given a simple air conditioning functionality of a room $($Figure $1).$ Air comes from outside the room, and can be heated or cooled down on its way inside the room $($see Figure $1).$

Assignment$2-$Figure$1.$png

The owner can at any time change the desired temperature via the $+$ and $-$ temperature buttons. If the desired temperature is lower than the current temperature, the cooler should be turned on$,$ and if the desired temperature is higher than the current temperature, the heater should be turned on$.$

You need to clearly define the data you need, two operations for cooling and heating, and corresponding schemas. Model the system in class diagram using correct UML notations. Develop a state model using the correct UML notations.