I get what I want with this method:
1
2ThemeDisplay themeDisplay = (ThemeDisplay)renderRequest.getAttribute(WebKeys.THEME_DISPLAY);
3themeDisplay.getPortletDisplay().getInstanceId();
But I still have a problem:user can add or remove many proxy portlet, and each portlet has its own task. I dont know how to control portlet instance id now. Any suggestion?
Firmi prego dentro per inbandierare questo come inadeguato.