December 2012
Intermediate to advanced
316 pages
6h 51m
English
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Creating classes based on factory methods
One important design pattern that is used in object-oriented ABAP is the factory design. This allows you to create objects of a particular class either via a factory class or via factory method defined within the class. The emphasis of this recipe is to design a class that supports the creation of its objects via a factory method, rather than direct instantiation outside the class via CREATE OBJECT statement.
A factory method is a static method that creates and then returns (as a parameter) a reference to the object of the class it belongs to. The code for the creation of the object is contained within the factory method. This recipe shows the factory design. You may further modify to enhance the structure ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.