Question

I am trying to make an Generalization of some classes on my application.
I have an “Employee” class that has “number”, “name” and “salary” as attributes.
I have the “Worker” class and the “Salesman” class that are both Employees and, therefore have all the “Employee” attributes.
For example, when creating a new “Worker”, I have to put data on my “Employee” class and on my “Worker” class…
How do I make this generalization on RoR?

(http://support.objecteering.com/objecteering6.1/help/us/sql_designer/sql_images/fig13.gif)

Answer 1

I’m not at all sure what you’re asking, but I suspect the answer may be single table inheritance.