public Notify getMetaData() {
        Notify md = metaData.get();
        if (md != null) {
            try {
                return md.duplicate();
            } catch (Exception e) {
            }
        }
        return md;
    }
public Notify getMetaData ( ) { Notify md = metaData . get ( ) ; if ( md != null ) { try { return md . duplicate ( ) ; } catch ( Exception e ) { } } return md ; }
Returns a copy of the metadata for the associated stream, if it exists.

@return stream meta data