BeanContextSupport.java 文件源码

/**
    * Notify this instance that it may now render a GUI
    */

   public synchronized void okToUseGui() {
if (!okToUseGui) {
    okToUseGui = true;

    // lets also tell the Children that can that they may use their GUI's
    synchronized(children) {
        for (Iterator i = children.keySet().iterator(); i.hasNext();) {
        Visibility v = getChildVisibility(i.next());

        if (v != null) v.okToUseGui();
        }
    }
}
   }