How to use

getParent

method

in

org.kaazing.gateway.transport.wsn.WsnSession

  @Override
  public void operationComplete(WriteFuture future) {
    if (logger.isDebugEnabled()) {
      logger.debug("HttpEmptyPacketWriterFilter writing empty packet.");
    }
    wsnSession.getParent().write(emptyWsMessage);
  }
});

final IoSessionEx parent = wsnSession.getParent();
if (WebSocketWireProtocol.HYBI_13.equals(wsVersion) || WebSocketWireProtocol.HYBI_8.equals(wsVersion)) {

public boolean isBalanceSupported() {
  String query = httpRequestURI.getQuery();
  return ((query != null) && query.contains(".kl=Y")) || this.getParent().getAttribute(HttpAcceptor.BALANCEES_KEY) != null;
}

@Override
@SuppressWarnings("unchecked")
public void initializeSession(IoSession session, ConnectFuture future) {
  WsnSession wsnSession = (WsnSession) session;
  if (wsnSession.isBalanceSupported()) {
    IoSession parent = wsnSession.getParent();
    List<String> selectedBalanceeURIs = (List<String>) parent.getAttribute(HttpAcceptor.BALANCEES_KEY);
    wsnSession.setBalanceeURIs(selectedBalanceeURIs);
  }
}

@Override
protected void doFilterWrite(final NextFilter nextFilter,
               final WsnSession wsnSession,
               WriteRequest writeRequest) throws Exception {
  IoSession parent = wsnSession.getParent();
  Encoding encoding = (Encoding) parent.getAttribute("encoding");
  final WsMessage emptyWsMessage;
  final IoBufferAllocatorEx<?> allocator = wsnSession.getBufferAllocator();
  switch(encoding) {
    case TEXT:
      emptyWsMessage = new WsTextMessage(allocator.wrap(allocator.allocate(0)));
      break;
    default:
      emptyWsMessage = new WsBinaryMessage(allocator.wrap(allocator.allocate(0)));
  }
  writeRequest.getFuture().addListener(new IoFutureListener<WriteFuture>() {
    @Override
    public void operationComplete(WriteFuture future) {
      if (logger.isDebugEnabled()) {
        logger.debug("HttpEmptyPacketWriterFilter writing empty packet.");
      }
      wsnSession.getParent().write(emptyWsMessage);
    }
  });
  HttpResponseMessage message = (HttpResponseMessage) writeRequest.getMessage();
  if ( message.getStatus() != HttpStatus.CLIENT_UNAUTHORIZED) {
    wsnSession.getFilterChain().remove(HttpEmptyPacketWriterFilter.this);
  }
  nextFilter.filterWrite(wsnSession, writeRequest);
}