/**
  * Set changelog valid
  *
  * @return Enterprise_Index_Model_Action_Abstract
  */
 protected function _setChangelogValid()
 {
     $this->_metadata->load($this->_metadata->getId());
     if ($this->_metadata->getStatus() == Enterprise_Mview_Model_Metadata::STATUS_IN_PROGRESS) {
         $this->_metadata->setValidStatus();
     }
     $this->_metadata->setVersionId($this->_getCurrentVersionId())->save();
     return $this;
 }