Examples with Gauge com.yammer.metrics.core.Gauge used on opensource projects

Example 1 with Gauge

use of com.yammer.metrics.core.Gauge in project java by wavefrontHQ.

the class WavefrontYammerMetricsReporterTest method testPlainGauge.

@Test(timeout = 1000)
public void testPlainGauge() throws Exception {
    Gauge gauge = metricsRegistry.newGauge(WavefrontYammerMetricsReporterTest.class, "mygauge", new Gauge<Double>() {

        @Override
        public Double value() {
            return 13.0;
        }
    });
    wavefrontYammerMetricsReporter.run();
    assertThat(receiveFromSocket(1, fromMetrics), contains(equalTo("\"mygauge\" 13.0 1485224035")));
}

Example 2 with Gauge

use of com.yammer.metrics.core.Gauge in project java by wavefrontHQ.

the class QueueController method run.

@Override
public void run() {
    // 1. grab current queue sizes (tasks count) and report to EntityProperties
    int backlog = processorTasks.stream().mapToInt(x -> x.getTaskQueue().size()).sum();
    queueSize.set(backlog);
    if (backlogSizeSink != null) {
        backlogSizeSink.accept(backlog);
    }
    // 2. grab queue sizes (points/etc count)
    Long totalWeight = 0L;
    for (QueueProcessor<T> task : processorTasks) {
        TaskQueue<T> taskQueue = task.getTaskQueue();
        // noinspection ConstantConditions
        totalWeight = taskQueue.weight() == null ? null : taskQueue.weight() + totalWeight;
        if (totalWeight == null)
            break;
    }
    if (totalWeight != null) {
        if (currentWeight == null) {
            currentWeight = new AtomicLong();
            Metrics.newGauge(new TaggedMetricName("buffer", handlerKey.getEntityType() + "-count", "port", handlerKey.getHandle()), new Gauge<Long>() {

                @Override
                public Long value() {
                    return currentWeight.get();
                }
            });
        }
        currentWeight.set(totalWeight);
    }
    // 3. adjust timing
    adjustTimingFactors(processorTasks);
    // 4. print stats when there's backlog
    if (backlog > 0) {
        printQueueStats();
    } else if (outputQueueingStats) {
        outputQueueingStats = false;
        logger.info("[" + handlerKey.getHandle() + "] " + handlerKey.getEntityType() + " backlog has been cleared!");
    }
}