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From Richard Frovarp <>
Subject Re: Cayenne-generated classes need @SuppressWarnings("serial")
Date Mon, 03 Oct 2011 01:58:25 GMT
On 10/2/2011 4:47 PM, Bob Harner wrote:
> Hi everybody,
> Here's a noob question that has probably been asked before, but I
> didn't see any answers that I liked...
> I prefer to keep all compiler warnings in my code to a minimum. One of
> the very few things that I don't like about Cayenne is that the
> auto-generated entity classes always have the "The serializable class
> _Foo does not declare a static final serialVersionUID field of type
> long" compiler warning.
> I suppose *not* defining a serialVersionUID (and letting the compiler
> do it automatically) is the best choice for common Cayenne use cases,
> so it'd be nice to just suppress the warning.
> The @SuppressWarnings("serial") annotation will get rid of the
> warnings, but of course I don't want to manually update the generated
> classes.
> I could configure my IDE to ignore these warnings (yuk), but then
> other team members will still see them.
> I guess I could set up a custom velocity template to include this
> annotation, right?
> But my real question is: why doesn't Cayenne's default template
> already add this @SuppressWarnings("serial") annotation? Is it simply
> that none of the Cayenne developers happen to feel as I do that code
> (especially library code) should not produce compiler warnings?
> Anyway, thanks for a great framework!

Yeah, that one kind of bothers me as well. Why wouldn't you just 
generate a default serial number? Or a random one?

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