Is it possible to change Application Module at runtime?

Hi all!
I'm trying to change Application Module for my page at runtime. I've used such code:
public void processRequest(OAPageContext pageContext, OAWebBean webBean)
    super.processRequest(pageContext, webBean);
    OAWebBeanContainer webBeanContainer = (OAWebBeanContainer) webBean;
    webBeanContainer.setApplicationModuleDefinitionName("mypackage.MyAM");
    webBeanContainer.setApplicationModuleUsageName("MyAM");
}but I see that Application Module haven't been changed.
public void processFormRequest(OAPageContext pageContext, OAWebBean webBean)
    super.processFormRequest(pageContext, webBean);
   System.out.println(pageContext.getApplicationModule(webBean).getFullName());
   System.out.println(pageContext.getApplicationModule(webBean).getDefFullName());   Is it possible to change Application Module at runtime?
How can I do it properly?
Pavel

The AppModule for a page is configured in an attribute of the root element of that page. Maybe that attribute is available at the OAWebBean parameter in processRequest.

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