the repository

All persistence operations occur through the repository - the longevity.persistence.Repo. In this chapter, we will take a look at the schema creation operation, as well as the standard CRUD (create/retrieve/update/delete) operations. Repository queries are discussed in the following chapter. How to get your hands on a Repo instance is discussed in the section on repositories in the chapter on the longevity context.

• Opening and Closing the Connection
• Schema Creation
• Persistent State
• Repo.create
• Retrieval by Key Value
• Repo.update
• Repo.delete
• Persisting Polymorphism