Java Persistence with Hibernate, Second Edition

Chapter 5. Mapping value types

In this chapter

• Mapping basic properties

• Mapping embeddable components

• Controlling mapping between Java and SQL types

After spending the previous chapter almost exclusively on entities and the respective class- and identity-mapping options, we now focus on value types in their various forms. We split value types into two categories: basic value-typed classes that come with the JDK, such as String, Date, primitives, and their wrappers; and developer-defined value-typed classes, such as Address and MonetaryAmount in CaveatEmptor.

In this chapter, we first map persistent properties with JDK types and learn the basic mapping annotations. You see how to work with various aspects of properties: overriding defaults, ...