public function __construct(Ezer_IntSequence $sequence)
 {
     $this->dbImpl = $sequence;
     parent::__construct($sequence->getId());
     $this->load($sequence);
     Ezer_DbStepContainerUtil::load($this, $sequence);
 }
 public function __construct(DOMElement $element)
 {
     parent::__construct(uniqid('seq_'));
     Ezer_XmlStepContainerUtil::parse($this, $element);
 }