JPA Auditing

example.java

// Enable JPA Auditing in Configuration
@Configuration
@EnableTransactionManagement
@EnableJpaRepositories
@EnableJpaAuditing
public class PersistenceConfig { ... }

@Entity
@EntityListeners(AuditingEntityListener.class)
public class Bar { ... }

@Entity
@EntityListeners(AuditingEntityListener.class)
public class Bar {
     
    //...
     
    @Column(name = "created_date", nullable = false, updatable = false)
    @CreatedDate
    private long createdDate;
 
    @Column(name = "modified_date")
    @LastModifiedDate
    private long modifiedDate;
     
    //...
     
}