/**
* Returns true if request metric collection is applicable to the given
* request; false otherwise.
*/
private boolean isRequestMetricsEnabled(AmazonWebServiceRequest req) {
RequestMetricCollector c = req.getRequestMetricCollector(); // request level collector
if (c != null && c.isEnabled()) {
return true;
}
return isRMCEnabledAtClientOrSdkLevel();
}