Question

I am looking for a way to inject certain properties via Spring in a bean that is loaded from the DB by Hibernate.

E.g.

class Student {
   int id; //loaded from DB
   String name; //loaded from DB
   int injectedProperty; //Inject via Spring
}

Can I configure Spring so that whenever Hibernate creates objects of class Student, some properties as defined in some applicationContext file are injected with the object creation?

Answer 1

There is a facility for this, using AspectJ class weaving with the @Configurable annotation. This will auto-wire any new instance of an annotated class with Spring dependencies, including objects instantiated via reflection using the likes of Hibernate.

It does require some class-loading magic, and so depends on compatibility with your server platform.