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starting new hibernate project; should we use annotation or XML?

 
Peter Primrose
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Hi there,

We are about to start a new project with hibernate. I wonder if it's a good practice to use annotation in our pojos or should we use the XML configuration. I know that most projects were done with XML so I wonder if there are any limitations with annotations.

Thank you!



 
Paul Sturrock
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Just two methods of doing the same thing. Personal preference is all that should differentiate.
 
Cameron Wallace McKenzie
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Paul is correct, the annotations and XML files provide the same core functionality.

IMHO, annotations are easier to work with and easier to manage. I hate how XML files, in most IDEs, don't integrate with design time checking, so errors don't show up until runtime, which is always a pain to debug. With annotations, you get the benefit of the compiler checking your syntax as soon as you save your code, which I think significantly increased production. That's one thing I always hated about Spring - all this XML that isn't checked at design time.

Of course, this does mean lots of annotations sprinkled across many different classes. In big projects, there is something to be said about having one, single, configuration file where all of your mappings reside.

So, I guess I have two opinions on the subject, both of which I feel strongly about.

-Cameron McKenzie
 
Peter Primrose
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Thank you both for your input!
 
Rohit Mehta
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Thanks Cameron - I put an end to search for answer of that question (xml/Annotations) with your reply :-)
 
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