/**
  * Constructor.
  *
  * Constructor is protected to enforce the use of factory methods.
  *
  * @param  Zend_Ldap_Dn $dn
  * @param  array        $data
  * @param  Zend_Ldap    $ldap
  */
 protected function __construct(Zend_Ldap_Dn $dn, array $data, Zend_Ldap $ldap)
 {
     parent::__construct($dn, $data, true);
     $this->_parseSchema($dn, $ldap);
 }

 /**
  * Reload node attributes from LDAP.
  *
  * This is an online method.
  *
  * @param  Zend_Ldap $ldap
  * @return Zend_Ldap_Node Provides a fluid interface
  * @throws Zend_Ldap_Exception
  */
 public function reload(Zend_Ldap $ldap = null)
 {
     if ($ldap !== null) {
         $this->attachLdap($ldap);
     }
     $ldap = $this->getLdap();
     parent::reload($ldap);
     return $this;
 }

 /**
  * Constructor.
  *
  * Constructor is protected to enforce the use of factory methods.
  *
  * @param  Zend_Ldap_Dn $dn
  * @param  array $data
  */
 protected function __construct(Zend_Ldap_Dn $dn, array $data)
 {
     parent::__construct($dn, $data, true);
 }