public static AirHandlingUnitBuilder GetInstance()
{
if (_instance == null)
{
_instance = new AirHandlingUnitBuilder();
}
return(_instance);
}
public AirHandlingUnitCollection GetAllCustomAirHandlingUnits()
{
return(AirHandlingUnitBuilder.GetInstance().GetAllAirHandlingUnits());
}
public AirHandlingUnit CreateNewAirHandlingUnit(string description, List <Part> parts)
{
return(AirHandlingUnitBuilder.GetInstance().BuildCustomAirHandlingUnit(description, parts));
}