The Annotated Dream
IMHO, the most prominent feature in J2SE5 is not generics, enums, or new for loops; it's annotations.
Annotations are better than Aspects since they are explicitly declared on your methods/fields/classes and checked by the default compiler. You may argue that Aspects and annotations aren't the same thing, but I believe Aspects are there to provide additional behavior within a specific context or protocol-- where now that context/protocol can simply leverage annotations declared on your objects. An example is a persistence protocol. Either you write Aspects and pointcut all of your objects to provide additional behavior/properties for persistence, or simply have your persistence mechanism "read" the behavior/properties off of the object you pass it.
I would like to see JavaServerFaces annotated just like EJB 3.0. The annotations wouldn't be a substitution to in-page declarations, but as a secondary solution for those who want a cleaner seperation of validation/conversion rules from the view. Imagine declaring a POJO bean with some JSF validation annotations and some EJB annotations. How easy would it be to modify and persist objects from a web page?
Annotations are better than Aspects since they are explicitly declared on your methods/fields/classes and checked by the default compiler. You may argue that Aspects and annotations aren't the same thing, but I believe Aspects are there to provide additional behavior within a specific context or protocol-- where now that context/protocol can simply leverage annotations declared on your objects. An example is a persistence protocol. Either you write Aspects and pointcut all of your objects to provide additional behavior/properties for persistence, or simply have your persistence mechanism "read" the behavior/properties off of the object you pass it.
I would like to see JavaServerFaces annotated just like EJB 3.0. The annotations wouldn't be a substitution to in-page declarations, but as a secondary solution for those who want a cleaner seperation of validation/conversion rules from the view. Imagine declaring a POJO bean with some JSF validation annotations and some EJB annotations. How easy would it be to modify and persist objects from a web page?
posted by Jacob Hookom at
1:56 PM
3 Comments:
You cannot compare Annotations and Aspects. Annotations are static metadata (even from a compiler perspective).
JBoss provides an EJB 3 implementation which is build on top of AOP. If you don't like AOP, but still likes Annotated programs, AOP is an implementation detail for you then.
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Anonymous, at 7:51 AM
... hence the second paragraph I state why I can compare them in what they provide, not how they provide.
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Jacob Hookom, at 3:32 PM
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sexy, at 7:23 AM
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