Examples with Gauge com.codahale.metrics.Gauge used on opensource projects

Example 21 with Gauge

use of com.codahale.metrics.Gauge in project spring-boot by spring-projects.

the class MetricRepositoryAutoConfigurationTests method dropwizardInstalledIfPresent.

@Test
public void dropwizardInstalledIfPresent() {
    this.context = new AnnotationConfigApplicationContext(MetricsDropwizardAutoConfiguration.class, MetricRepositoryAutoConfiguration.class, AopAutoConfiguration.class);
    GaugeService gaugeService = this.context.getBean(GaugeService.class);
    assertThat(gaugeService).isNotNull();
    gaugeService.submit("foo", 2.7);
    DropwizardMetricServices exporter = this.context.getBean(DropwizardMetricServices.class);
    assertThat(exporter).isEqualTo(gaugeService);
    MetricRegistry registry = this.context.getBean(MetricRegistry.class);
    @SuppressWarnings("unchecked") Gauge<Double> gauge = (Gauge<Double>) registry.getMetrics().get("gauge.foo");
    assertThat(gauge.getValue()).isEqualTo(new Double(2.7));
}

Example 22 with Gauge

use of com.codahale.metrics.Gauge in project riposte by Nike-Inc.

the class CodahaleMetricsListenerTest method setupMetricRegistryAndCodahaleMetricsCollector.

private void setupMetricRegistryAndCodahaleMetricsCollector() {
    metricRegistryMock = mock(MetricRegistry.class);
    cmcMock = mock(CodahaleMetricsCollector.class);
    doReturn(metricRegistryMock).when(cmcMock).getMetricRegistry();
    registeredTimerMocks = new HashMap<>();
    doAnswer(invocation -> {
        String name = invocation.getArgumentAt(0, String.class);
        Timer timerMock = mock(Timer.class);
        registeredTimerMocks.put(name, timerMock);
        return timerMock;
    }).when(metricRegistryMock).timer(anyString());
    registeredMeterMocks = new HashMap<>();
    doAnswer(invocation -> {
        String name = invocation.getArgumentAt(0, String.class);
        Meter meterMock = mock(Meter.class);
        registeredMeterMocks.put(name, meterMock);
        return meterMock;
    }).when(metricRegistryMock).meter(anyString());
    registeredCounterMocks = new HashMap<>();
    doAnswer(invocation -> {
        String name = invocation.getArgumentAt(0, String.class);
        Counter counterMock = mock(Counter.class);
        registeredCounterMocks.put(name, counterMock);
        return counterMock;
    }).when(metricRegistryMock).counter(anyString());
    registeredHistogramMocks = new HashMap<>();
    doAnswer(invocation -> {
        String name = invocation.getArgumentAt(0, String.class);
        Histogram histogramMock = mock(Histogram.class);
        registeredHistogramMocks.put(name, histogramMock);
        return histogramMock;
    }).when(metricRegistryMock).histogram(anyString());
    registeredGauges = new HashMap<>();
    doAnswer(invocation -> {
        String name = invocation.getArgumentAt(0, String.class);
        Metric metric = invocation.getArgumentAt(1, Metric.class);
        if (metric instanceof Gauge)
            registeredGauges.put(name, (Gauge) metric);
        else if (metric instanceof Histogram)
            registeredHistogramMocks.put(name, (Histogram) metric);
        else
            throw new RuntimeException("Expected Gauge or Histogram, but received: " + metric.getClass().getName());
        return metric;
    }).when(metricRegistryMock).register(anyString(), any(Metric.class));
}

Example 23 with Gauge

use of com.codahale.metrics.Gauge in project alluxio by Alluxio.

the class AlluxioMasterRestServiceHandlerTest method getMetrics.

@Test
public void getMetrics() {
    final int FILES_PINNED_TEST_VALUE = 100;
    String filesPinnedProperty = MetricsSystem.getMasterMetricName(FileSystemMaster.Metrics.FILES_PINNED);
    Gauge<Integer> filesPinnedGauge = new Gauge<Integer>() {

        @Override
        public Integer getValue() {
            return FILES_PINNED_TEST_VALUE;
        }
    };
    MetricSet mockMetricsSet = mock(MetricSet.class);
    Map<String, Metric> map = new HashMap<>();
    map.put(filesPinnedProperty, filesPinnedGauge);
    when(mockMetricsSet.getMetrics()).thenReturn(map);
    MetricsSystem.METRIC_REGISTRY.registerAll(mockMetricsSet);
    Response response = mHandler.getMetrics();
    try {
        assertNotNull("Response must be not null!", response);
        assertNotNull("Response must have a entry!", response.getEntity());
        assertTrue("Entry must be a SortedMap!", (response.getEntity() instanceof SortedMap));
        SortedMap<String, Long> metricsMap = (SortedMap<String, Long>) response.getEntity();
        assertFalse("Metrics Map must be not empty!", (metricsMap.isEmpty()));
        assertTrue("Map must contain key " + filesPinnedProperty + "!", metricsMap.containsKey(filesPinnedProperty));
        assertEquals(FILES_PINNED_TEST_VALUE, metricsMap.get(filesPinnedProperty).longValue());
    } finally {
        response.close();
    }
}

Example 24 with Gauge

use of com.codahale.metrics.Gauge in project alluxio by Alluxio.

the class AlluxioWorkerRestServiceHandler method getMetricsInternal.

private Map<String, Long> getMetricsInternal() {
    MetricRegistry metricRegistry = MetricsSystem.METRIC_REGISTRY;
    // Get all counters.
    Map<String, Counter> counters = metricRegistry.getCounters();
    // Only the gauge for cached blocks is retrieved here, other gauges are statistics of
    // free/used spaces, those statistics can be gotten via other REST apis.
    String blocksCachedProperty = MetricsSystem.getWorkerMetricName(DefaultBlockWorker.Metrics.BLOCKS_CACHED);
    @SuppressWarnings("unchecked") Gauge<Integer> blocksCached = (Gauge<Integer>) metricRegistry.getGauges().get(blocksCachedProperty);
    // Get values of the counters and gauges and put them into a metrics map.
    SortedMap<String, Long> metrics = new TreeMap<>();
    for (Map.Entry<String, Counter> counter : counters.entrySet()) {
        metrics.put(counter.getKey(), counter.getValue().getCount());
    }
    metrics.put(blocksCachedProperty, blocksCached.getValue().longValue());
    return metrics;
}

Example 25 with Gauge

use of com.codahale.metrics.Gauge in project alluxio by Alluxio.

the class AlluxioMasterRestServiceHandler method getMetricsInternal.

private Map<String, Long> getMetricsInternal() {
    MetricRegistry metricRegistry = MetricsSystem.METRIC_REGISTRY;
    // Get all counters.
    Map<String, Counter> counters = metricRegistry.getCounters();
    // Only the gauge for pinned files is retrieved here, other gauges are statistics of
    // free/used
    // spaces, those statistics can be gotten via other REST apis.
    String filesPinnedProperty = MetricsSystem.getMasterMetricName(FileSystemMaster.Metrics.FILES_PINNED);
    @SuppressWarnings("unchecked") Gauge<Integer> filesPinned = (Gauge<Integer>) MetricsSystem.METRIC_REGISTRY.getGauges().get(filesPinnedProperty);
    // Get values of the counters and gauges and put them into a metrics map.
    SortedMap<String, Long> metrics = new TreeMap<>();
    for (Map.Entry<String, Counter> counter : counters.entrySet()) {
        metrics.put(counter.getKey(), counter.getValue().getCount());
    }
    metrics.put(filesPinnedProperty, filesPinned.getValue().longValue());
    return metrics;
}