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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <p style="margin: 10px 0 0 0; margin-top: 0">I'm actually fairly comfortable saying that the checking methods should <em>not</em> be part of the interface: the functionality you want very much depends on which <em>combination</em> of <tt>InitializableComponent</tt> and <tt>DestructableComponent</tt> a component chooses to implement.</p> <p style="margin: 10px 0 0 0">(Plus, of course, taking the opposite point of view that we need to extend the interfaces would probably rule out implementation any time short of my retirement date.)</p> <p style="margin: 10px 0 0 0">So I agree with your first comment: they are part of the implementation not the interface, so having them in the base class is appropriate. This also means we can bundle the functionality related to both implemented interfaces together in convenience methods, because any descendant of that base class implements both, by definition. I really like the idea of <tt>throwSetterPreconditionExceptions()</tt> to reduce the clutter (to the extent that if we can't do this any time soon in java-support, I'll implement it in the base classes in the MDA instead).</p> </td>
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