@Override
public void reset() {
final Map<MetricName, Metric> metricMap = registry.allMetrics();
final Set<Entry<MetricName, Metric>> entrySet = metricMap.entrySet();
for (final Entry<MetricName, Metric> entry : entrySet) {
final MetricName name = entry.getKey();
final Metric metric = entry.getValue();
if (metric instanceof Counter) {
((Counter) metric).clear();
}
if (metric instanceof Timer) {
((Timer) metric).clear();
}
if (metric instanceof Histogram) {
((Histogram) metric).clear();
}
if (metric instanceof Clearable) {
((Clearable) metric).clear();
}
}
}
/**
* Creates a new {@link Timer}.
*
* @param tickThread background thread for updating the rates
* @param durationUnit the scale unit for this timer's duration metrics
* @param rateUnit the scale unit for this timer's rate metrics
* @param clock the clock used to calculate duration
*/
Timer(
ScheduledExecutorService tickThread, TimeUnit durationUnit, TimeUnit rateUnit, Clock clock) {
this.durationUnit = durationUnit;
this.rateUnit = rateUnit;
this.meter = new Meter(tickThread, "calls", rateUnit, clock);
this.clock = clock;
clear();
}