String appName = PortletRegistryHelper.parseAppName(name);
String portletName = PortletRegistryHelper.parsePortletName(name);
// build filter
Filter filter = store.newFilter();
filter.addEqualTo("app.name", appName);
filter.addEqualTo("name", portletName);
Object query = store.newQuery(portletDefClass, filter);
PortletDefinitionComposite portlet = (PortletDefinitionComposite) store.getObjectByQuery(query);
if (portlet != null)