question: @ SuppressWarnings ( "unchecked" ) protected void notifyReply ( AbstractMRReply r , AbstractMRListener dest ) { Vector < AbstractMRListener > v ; synchronized ( this ) { v = ( Vector < AbstractMRListener > ) cmdListeners . clone ( ) ; } int cnt = v . size ( ) ; for ( int i = 0 ; i < cnt ; i ++ ) { AbstractMRListener client = v . elementAt ( i ) ; log . debug ( "notify client: {}" , client ) ; try { if ( dest != client ) { forwardReply ( client , r ) ; } } catch ( Exception e ) { log . warn ( "notify: During reply dispatch to {}" , client , e ) ; } } if ( dest != null ) { forwardReply ( dest , r ) ; } }
target:  Forward a "Reply" from layout to registered listeners.