D-Net

package eu.dnetlib.data.search.micrometer;

import org.springframework.stereotype.Component;

import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

@Component

public class PrometheusRequestTimerInterceptor extends HandlerInterceptorAdapter{

    /*private PrometheusMeterRegistry prometheusRegistry;

    private DistributionSummary summary;

    PrometheusRequestTimerInterceptor(){}

    PrometheusRequestTimerInterceptor(PrometheusMeterRegistry prometheusMeterRegistry) {

        this.prometheusRegistry = prometheusMeterRegistry;

        summary = DistributionSummary.builder("search.server.response.size")

                .publishPercentileHistogram()

                .sla(1000000, 2500000, 3500000)

                .minimumExpectedValue((long) 1000000)

                .maximumExpectedValue((long) 3500000)

                .scale(500000)

                .register(prometheusRegistry);

    }

    @Override

    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)

            throws Exception {

        summary.record((double)response.getBufferSize());

    }

    @Override

    public void postHandle(

            HttpServletRequest request,

            HttpServletResponse response,

            Object handler,

            ModelAndView modelAndView) throws Exception {

    }*/

}