Introduction
Auditing is an important part of software applications. Almost every business domain requires an audit log to manage the changes of acquired data. More than that, auditing is also required to keep applications safe from fraudulent and unethical access. Many applications also check the changelog of data for their internal processes. Many Java-based software implement triggers on the database layer for auditing, but Hibernate gives a more convenient way to implement auditing.
Hibernate Envers: Features
Hibernate Envers is a framework for auditing. Though Hibernate is an ORM technology, auditing tasks based on Hibernate entities means changes on the entity is audited and saved on the database. Auditing of all mappings is defined by the JPA specification. Revision of each entity log is saved by Hibernate Envers. Hibernate Envers gives the way to read historical data log.