9 Advanced entity association mappings
This chapter covers
- Applying mapping through one-to-one entity associations
- Using one-to-many mapping options
- Creating many-to-many and ternary entity relationships
- Working with entity associations with maps
In the previous chapter, we demonstrated a unidirectional many-to-one association, made it bidirectional, and finally enabled transitive state changes with cascading options. One reason we are discussing more advanced entity mappings in a separate chapter is that we consider quite a few of them rare or at least optional. It’s possible to only use component mappings and many-to-one (occasionally one-to-one) entity associations. You can write a sophisticated application without ever mapping a collection! ...
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