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Subclassing and Reusable Components

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Subclassing and Reusable Components

Subject: Subclassing and Reusable Components
From: Jaime Magiera <email@hidden>
Date: Mon, 25 Oct 2004 21:07:22 -0400

So, I realize WO has a lot of potential for re-using classes and components. However, I haven't *really* taken advantage of that power yet. Now is the time to start :)

I have a "Project" object. This object is sub-classed into "SoftwareProject", "MediaProject", etc. The "Project" object has a "DiscussionThreads" key. I would also like the sub-classes to have "DiscussionThreads".

Question 1: What would be the best implementation of this? Right now, I have sub-classed DiscussionThread ("SoftwareDiscussionThread", etc.). However, that seems like maybe a long-winded approach. Is there a good way for each subclass to link to a single DiscussionThread table?

Question 2: If I want to create a single component for viewing the DiscussionThreads, how can I accommodate each sub-class. I'm assuming a combination of EOEnterpriseObject and "valueForKey". Am I on the right track?

thanks,

Jaime

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