public function meta($metaData=null)
    {
        if ($metaData) {
            $this->metaData = $metaData;
            return $this;
        } else {
            return $this->metaData;
        }
    }
public function meta($metaData=null)
    {
        if ($metaData) {
            $this->metaData = $metaData;
            return $this;
        } else {
            return $this->metaData;
        }
    }
public function meta ( $ metaData = null ) { if ( $ metaData ) { $ this -> metaData = $ metaData ; return $ this ; } else { return $ this -> metaData ; } }
Get or set the meta data of datastore

If there is no parameter, the method will return current meta data.
If metaData is input, it will save that new meta data

@param array $metaData Associate array contaning meta data

@return array Meta data in array form

@since 1.0.0
Get or set the meta data of datastore