public void setConnected(Boolean connected) {
    if (connected) {
      setOpen(true);
      if (statusBuffer != null) statusBuffer.setActive(true);

    } else {
      setOpen(false);
      if (statusBuffer != null) statusBuffer.setActive(false);
      for (Buffer buffer : buffers.getBufferList(true)) {
        buffer.setActive(false);
      }
    }
    this.isConnected = connected;
    this.setChanged();
    notifyObservers();
  }