@Override
    public void collectMetrics(Request<?> request, Response<?> response) {
        try {
            collectMetrics0(request, response);
        } catch(Exception ex) { // defensive code
            if (log.isDebugEnabled()) {
                log.debug("Ignoring unexpected failure", ex);
            }
        }
    }
@ Override public void collectMetrics ( Request < ? > request , Response < ? > response ) { try { collectMetrics0 ( request , response ) ; } catch ( Exception ex ) { if ( log . isDebugEnabled ( ) ) { log . debug ( "Ignoring unexpected failure" , ex ) ; } } }
Collects the metrics at the end of a request/response cycle, transforms
the metric data points into a cloud watch metric datum representation,
and then adds it to a memory queue so it will get summarized into the
necessary statistics and uploaded to Amazon CloudWatch.