JournalOAI::sets PHP Method

    function sets($offset, $limit, &$total)
    {
        $sets = null;
        if (!HookRegistry::call('JournalOAI::sets', array($this, $offset, $limit, $total, &$sets))) {
            $sets = $this->dao->getJournalSets($this->journalId, $offset, $limit, $total);
        }
        return $sets;
    }