public function __construct(Ezer_IntAssignStep $assignStep)
 {
     $this->dbImpl = $assignStep;
     parent::__construct($assignStep->getId());
     $this->load($assignStep);
 }
 public function __construct(DOMElement $element)
 {
     parent::__construct(uniqid('asgn_'));
     Ezer_XmlStepUtil::parse($this, $element);
     $this->parse($element);
 }