ModelBundle/Repository/NodeRepository.php
public function findPublishedByType($siteId, $type = NodeInterface::TYPE_DEFAULT)
    {
        $qa = $this->createAggregationQuery();
        $qa->match(
            array(
                'siteId' => $siteId,
                'deleted' => false,
                'nodeType' => $type,
                'status.publishedState' => true,
            )
        );

        return $this->hydrateAggregateQuery($qa);
    }
public function findPublishedByType($siteId, $type = NodeInterface::TYPE_DEFAULT)
    {
        $qa = $this->createAggregationQuery();
        $qa->match(
            array(
                'siteId' => $siteId,
                'deleted' => false,
                'nodeType' => $type,
                'status.publishedState' => true,
            )
        );

        return $this->hydrateAggregateQuery($qa);
    }
@param string $siteId
@param string $type

@return array