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Code Block
titleGroupsManagerPortlet.java
borderStylesolid
if ( ServantUtil.isServantMode(requestportletRequest) ) {
   IGroupMember[] groupMembers = (IGroupMember[]) ServantUtil.getAttribute(requestportletRequest);
   ...
  if ( "Done".equals(request.getParameter("grpCommand") ) {
     // Return result to clients
     ServantUtil.setAttribute(req,getResults(portletRequest)); 
     // Notify clients that the servant is complete
     ServantUtil.setServantDone(portletRequest);
  }
}

Portlet servant locator

The portlet servant locator provides the client-portlet with the reference to IPortletServant instance, internally getting the portlet definition from the definition registry by a functional name and keeping track of client changes to the servant in the portlet session. The client-portlet obtains a reference to the locator by calling the static method of ServantLocatorAccessor utility-class.

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