*/
protected void checkForModifiedSince(MBeanServerExecutor pServerManager, JmxRequest pRequest)
throws NotChangedException {
int ifModifiedSince = pRequest.getParameterAsInt(ConfigKey.IF_MODIFIED_SINCE);
if (!pServerManager.hasMBeansListChangedSince(ifModifiedSince)) {
throw new NotChangedException(pRequest);
}
}