Catatumbo - Identifier Annotation - Application Specified ID
import com.jmethods.catatumbo.Entity;
import com.jmethods.catatumbo.Identifier;
@Entity
public class Person {
@Identifier(autoGenerated=false)
private String emailAddress;
//Other members of Person go here. For example, firstName, lastName and
//their corresponding accessor and mutator methods.
}