protected String getEntryId(final Map<String, Object> attributes) {
        return getIdAttribute() + "=" + attributes.get(getIdAttribute()) + "," + usersDn;
    }
<p>getEntryId.</p>

@param attributes a {@link Map} object
@return a {@link String} object
pac4j-ldap/src/main/java/org/pac4j/ldap/profile/service/LdapProfileService.java