code: public void createTargetMetaRequest(TargetMetaDef targetMetaDef, ContextHolder holder) {
  		ContainerWrapper containerWrapper = servletContainerFinder.findContainer(holder.getAppContextHolder());
  		// get HttpSessionVisitorFactoryImp
  		VisitorFactory visitorFactory = (VisitorFactory) containerWrapper.lookup(ComponentKeys.VISITOR_FACTORY);
  		// ComponentVisitor is HttpSessionComponentVisitor
  		ComponentVisitor cm = visitorFactory.createtVisitor(holder.getSessionHolder(), targetMetaDef);
  		TargetMetaRequest targetMetaRequest = new TargetMetaRequest(targetMetaDef, cm);
  		targetMetaRequestsHolder.setTargetMetaRequest(targetMetaRequest);
  	}
docs: create a targetMetaRequest instance.
  
  @param containerWrapper
  @param targetMetaDef
  @param request
  @return