6 Mapping value types
This chapter covers
- Mapping basic properties
- Mapping embeddable components
- Controlling mapping between Java and SQL types
After spending the previous chapter almost exclusively on entities and their class- and identity-mapping options, we’ll now focus on value types in their various forms. Value types are frequently encountered in classes under development. We’ll separate 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-type classes, such as Address and MonetaryAmount in CaveatEmptor.
In this chapter, we’ll first map persistent properties with JDK types and discuss the basic mapping annotations. We’ll look ...
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