OAIDAO::__construct PHP Method

    function __construct()
    {
        parent::__construct();
        $this->journalDao = DAORegistry::getDAO('JournalDAO');
        $this->sectionDao = DAORegistry::getDAO('SectionDAO');
        $this->publishedArticleDao = DAORegistry::getDAO('PublishedArticleDAO');
        $this->articleGalleyDao = DAORegistry::getDAO('ArticleGalleyDAO');
        $this->issueDao = DAORegistry::getDAO('IssueDAO');
        $this->authorDao = DAORegistry::getDAO('AuthorDAO');
        $this->journalSettingsDao = DAORegistry::getDAO('JournalSettingsDAO');
        $this->journalCache = array();
        $this->sectionCache = array();
    }

 /**
  * Constructor.
  */
 function __construct()
 {
     parent::__construct();
 }