Caché’s Jalapeño
As we have seen in some of the earlier posts, the key difference and advantage of ORM (Object Relational Mapping) with Ruby on Rails and ORM with J2EE is the implicit mapping of objects to the relataional model. Caché is going to introduce a J2EE persistence framework called Jalapeño shortly. Jalapeño aims at mapping POJO’s (Plain Old Java Objects) to the relational model without explicitly specifying the mapping information. It is interesting to see that there is a healthy competition that is created here in the persistence area. I think there will be more such frameworks coming up following the convention over configuration paradigm. Convention over configuration reduces the burden of the developer from creating lot of configuration files that map the objects and enable more dynamism and loosely coupled systems. On the negative side these frameworks are hiding the intricacies of the working principle and this could potentially cause a newbie to start working the easier way and make him/her not aware of some foundations.
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