11.7.4. Getting Started with Entity Auditing

11.7.4.1. Add Auditing Support to a JPA Entity

JBoss EAP 6 uses entity auditing, through Section 11.7.1, “About Hibernate Envers”, to track the historical changes of a persistent class. This topic covers adding auditing support for a JPA entity.

Procedure 11.8. Add Auditing Support to a JPA Entity

  1. Configure the available auditing parameters to suit the deployment: Section 11.7.5.1, “Configure Envers Parameters”.
  2. Open the JPA entity to be audited.
  3. Import the org.hibernate.envers.Audited interface.
  4. Apply the @Audited annotation to each field or property to be audited, or apply it once to the whole class.

    Example 11.30. Audit Two Fields

    import org.hibernate.envers.Audited;

import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.GeneratedValue;
import javax.persistence.Column;

@Entity
public class Person {
    @Id
    @GeneratedValue
    private int id;

    @Audited
    private String name;

    private String surname;

    @ManyToOne
    @Audited
    private Address address;

    // add getters, setters, constructors, equals and hashCode here
}

    Example 11.31. Audit an entire Class

    import org.hibernate.envers.Audited;

import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.GeneratedValue;
import javax.persistence.Column;

@Entity
@Audited
public class Person {
    @Id
    @GeneratedValue
    private int id;

    private String name;

    private String surname;

    @ManyToOne
    private Address address;

    // add getters, setters, constructors, equals and hashCode here
}
Result

The JPA entity has been configured for auditing. A table called Entity_AUD will be created to store the historical changes.

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