@Override
public void prepare() throws Exception {
request.setAttribute(GUI_SERVICE, getGuiService());
request.setAttribute(CURRENT_PAGE, getCurrentUrl());
ObjectifyFactory objectifyFactory = getGuiService().getObjectifyFactory();
ObjectifyOpts opts = new ObjectifyOpts().setSessionCache(true);
Objectify objectify = objectifyFactory.begin(opts);
request.setAttribute(OBJECTIFY, objectify);
this.objectify = objectify;
if (request.getParameter("errorMessages") !=null) {