public void removeCategoryFromCategory(PortletCategory child, PortletCategory parent) {
String childKey = String.valueOf(child.getId());
IEntityGroup childGroup = GroupService.findGroup(childKey);
String parentKey = String.valueOf(parent.getId());
IEntityGroup parentGroup = GroupService.findGroup(parentKey);
parentGroup.removeMember(childGroup);
parentGroup.updateMembers();
}
/* (non-Javadoc)
* @see org.jasig.portal.portlet.registry.IPortletCategoryRegistry#updatePortletCategory(org.jasig.portal.portlet.om.PortletCategory)