public void applyToUiTree(Node node) {
      if (isObsolete()) {
        if (LOG.isTraceEnabled()) LOG.debug("obsolete command: ", this);
      }
      else {
        if (LOG.isTraceEnabled()) LOG.debug("foreground command: ", this);
        applyNodeToUiTree(node);
      }
    }
public void applyToUiTree(Node node)