Mapping with Annotations
In Chapter 5, we discussed the need to create mappings between the database model and the object model. Mappings can be created in two different ways: via inline annotations (as we’ve done through the book so far), or as separate XML files in one of two primary formats.
The XML-based mapping is rarely used outside of situations where mapping an object model to a preexisting schema is required; even then, adept use of the annotations can match the XML configuration’s features.
Creating Hibernate Mappings with Annotations
Prior to the inline annotations, the only way to create mappings was through XML files—although ...