Java Persistence with Hibernate, Second Edition

Chapter 13. Filtering data

In this chapter

• Cascading state transitions

• Listening to and intercepting events

• Auditing and versioning with Hibernate Envers

• Filtering data dynamically

In this chapter, you see many different strategies for filtering data as it passes through the Hibernate engine. When Hibernate loads data from the database, you can transparently restrict the data seen by the application with a filter. When Hibernate stores data in the database, you can listen to such an event and execute some secondary routines: for example, write an audit log or assign a tenant identifier to the record.

We explore the following data-filtering features and APIs:

• In section 13.1, you learn to react to state changes of an entity instance ...