((ChainMetaService)bean.getChain().getMetaservice()).execute();
}
else
if(bean.getChain().getMetaservice() instanceof GetIdMetaService) {
// --- get id of the service call
GetIdMetaService getid = ((GetIdMetaService)bean.getChain().getMetaservice());
request.setAttribute("callid", getid.executeToString(getid.getParams().get(0)));
}
else
if(bean.getChain().getMetaservice() instanceof RdfMetaService) {
RdfMetaService formatService = (RdfMetaService)bean.getChain().getMetaservice();
formatService.execute(bean);