package com.jdon.security.auth.ejb;import javax.ejb.*;import java.util.*;import com.jdon.security.*;import com.jdon.security.auth.PrincipalException;import com.jdon.security.events.UserEvent;public interface UserManagerLocal extends javax.ejb.EJBLocalObject {   public void createUser(UserEvent userEvent);   public void updateUser(UserEvent userEvent);   public User getUserByEmail(String emailAddress);   public User getUserById(String userId);  public User getUserByName(String name);   public Collection getUsersByRole(Role roleDTO);   public Role getRoleByUser(User userDTO);  public User getUserByPrincipal() throws Exception, PrincipalException;}