The Silver Lining

Lessons & Learnings from a salesforce certified technical architect.

Posts Tagged ‘technical architecture

Salesforce: Polymorphism driven by Apex class inheritance

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Polywhatsthatnow? Polymorphism ” is the ability of one type, A, to appear as and be used like another type, B.

It is a facet of OOP and can best be described using the good ol’ example of the ‘Shape’ class problem (thanks Java!). Let’s suppose we’d like to create an application that drew a number of shapes on a page. At the time of analysis we know that we want to immediately support circles, but to future-proof our application we need to support the drawing of any shapes. Being Pretty Darn Good Developers(tm) we realise we should create a Shape class that has a single method used to draw itself, and any specific shapes should be derived from this class, and override that method. Make sense? Didn’t think so. Read the rest of this entry »

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Written by Wes

December 23, 2009 at 2:04 pm

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