Examples with DropwizardMeterWrapper org.apache.flink.dropwizard.metrics.DropwizardMeterWrapper used on opensource projects

Example 1 with DropwizardMeterWrapper

use of org.apache.flink.dropwizard.metrics.DropwizardMeterWrapper in project flink by apache.

the class ScheduledDropwizardReporter method notifyOfAddedMetric.

// ------------------------------------------------------------------------
// adding / removing metrics
// ------------------------------------------------------------------------
@Override
public void notifyOfAddedMetric(Metric metric, String metricName, MetricGroup group) {
    final String fullName = group.getMetricIdentifier(metricName, this);
    synchronized (this) {
        if (metric instanceof Counter) {
            counters.put((Counter) metric, fullName);
            registry.register(fullName, new FlinkCounterWrapper((Counter) metric));
        } else if (metric instanceof Gauge) {
            gauges.put((Gauge<?>) metric, fullName);
            registry.register(fullName, FlinkGaugeWrapper.fromGauge((Gauge<?>) metric));
        } else if (metric instanceof Histogram) {
            Histogram histogram = (Histogram) metric;
            histograms.put(histogram, fullName);
            if (histogram instanceof DropwizardHistogramWrapper) {
                registry.register(fullName, ((DropwizardHistogramWrapper) histogram).getDropwizardHistogram());
            } else {
                registry.register(fullName, new FlinkHistogramWrapper(histogram));
            }
        } else if (metric instanceof Meter) {
            Meter meter = (Meter) metric;
            meters.put(meter, fullName);
            if (meter instanceof DropwizardMeterWrapper) {
                registry.register(fullName, ((DropwizardMeterWrapper) meter).getDropwizardMeter());
            } else {
                registry.register(fullName, new FlinkMeterWrapper(meter));
            }
        } else {
            log.warn("Cannot add metric of type {}. This indicates that the reporter " + "does not support this metric type.", metric.getClass().getName());
        }
    }
}

Example 2 with DropwizardMeterWrapper

use of org.apache.flink.dropwizard.metrics.DropwizardMeterWrapper in project flink by apache.

the class ScheduledDropwizardReporterTest method testAddingMetrics.

/**
 * Tests that the registered metrics' names don't contain invalid characters.
 */
@Test
void testAddingMetrics() {
    final String scope = "scope";
    final char delimiter = '_';
    final String counterName = "testCounter";
    final MetricGroup metricGroup = TestMetricGroup.newBuilder().setMetricIdentifierFunction((metricName, characterFilter) -> characterFilter.orElse(s -> s).filterCharacters(scope + delimiter + metricName)).build();
    final TestingScheduledDropwizardReporter reporter = new TestingScheduledDropwizardReporter();
    SimpleCounter myCounter = new SimpleCounter();
    com.codahale.metrics.Meter dropwizardMeter = new com.codahale.metrics.Meter();
    DropwizardMeterWrapper meterWrapper = new DropwizardMeterWrapper(dropwizardMeter);
    reporter.notifyOfAddedMetric(myCounter, counterName, metricGroup);
    reporter.notifyOfAddedMetric(meterWrapper, "meter", metricGroup);
    Map<Counter, String> counters = reporter.getCounters();
    assertThat(counters).containsKey(myCounter);
    Map<Meter, String> meters = reporter.getMeters();
    assertThat(meters).containsKey(meterWrapper);
    String expectedCounterName = reporter.filterCharacters(scope) + delimiter + reporter.filterCharacters(counterName);
    assertThat(counters).containsEntry(myCounter, expectedCounterName);
}