public function getContentStream()
    {
        if (!$this->objectId || !$this->getStreamId()) {
            return null;
        }

        return $this->session->getBinding()->getObjectService()->getContentStream(
            $this->session->getRepositoryInfo()->getId(),
            $this->objectId,
            $this->getStreamId()
        );
    }
public function getContentStream()
    {
        if (!$this->objectId || !$this->getStreamId()) {
            return null;
        }

        return $this->session->getBinding()->getObjectService()->getContentStream(
            $this->session->getRepositoryInfo()->getId(),
            $this->objectId,
            $this->getStreamId()
        );
    }
public function getContentStream ( ) { if ( ! $ this -> objectId || ! $ this -> getStreamId ( ) ) { return null ; } return $ this -> session -> getBinding ( ) -> getObjectService ( ) -> getContentStream ( $ this -> session -> getRepositoryInfo ( ) -> getId ( ) , $ this -> objectId , $ this -> getStreamId ( ) ) ; }
Returns the content stream of the rendition.

@return StreamInterface|null the content stream of the rendition
or <code>null</code> if the rendition has no content
Returns the content stream of the rendition .