Maybe you have a particular limited set of vehicles but trucks I know
have from 4 to 10 (or more) wheels and motorcycles have 2 or 3 wheels
and Semi-trailer trucks have 10 to 20 (or more) wheels depending on
application. I would store the number of wheels in the database.
Norm
On 05/24/2013 11:40 PM, oliver bee wrote:
I have 3 classes ("Truck", "Semi", "Motorcycle") that all inherit from
the "Vehicle" class.
Each subclass has an attribute for "Wheels" that tells how many wheels
the vehicle has (I do not store these values in the database because
they will never change)
I'm wondering what is the preferred method for handling this? Right now
I have individual methods in each class for "Wheels":
For example:
class Truck
def wheels
4
end
end
class Motorcycle
def wheels
2
end
end
class Semi
def wheels
18
end
end
Is there a better way??? Thanks
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