Examples with DoubleProbeFunction com.hazelcast.internal.metrics.DoubleProbeFunction used on opensource projects

Example 1 with DoubleProbeFunction

use of com.hazelcast.internal.metrics.DoubleProbeFunction in project hazelcast by hazelcast.

the class DoubleGaugeImpl method read.

@Override
public double read() {
    ProbeInstance probeInstance = getProbeInstance();
    ProbeFunction function = null;
    Object source = null;
    if (probeInstance != null) {
        function = probeInstance.function;
        source = probeInstance.source;
    }
    if (function == null || source == null) {
        clearProbeInstance();
        return DEFAULT_VALUE;
    }
    try {
        if (function instanceof LongProbeFunction) {
            LongProbeFunction longFunction = (LongProbeFunction) function;
            return longFunction.get(source);
        } else {
            DoubleProbeFunction doubleFunction = (DoubleProbeFunction) function;
            return doubleFunction.get(source);
        }
    } catch (Exception e) {
        metricsRegistry.logger.warning("Failed to access probe:" + name, e);
        return DEFAULT_VALUE;
    }
}

Example 2 with DoubleProbeFunction

use of com.hazelcast.internal.metrics.DoubleProbeFunction in project hazelcast by hazelcast.

the class LongGaugeImpl method read.

@Override
public long read() {
    ProbeInstance probeInstance = getProbeInstance();
    ProbeFunction function = null;
    Object source = null;
    if (probeInstance != null) {
        function = probeInstance.function;
        source = probeInstance.source;
    }
    if (function == null || source == null) {
        clearProbeInstance();
        return DEFAULT_VALUE;
    }
    try {
        if (function instanceof LongProbeFunction) {
            LongProbeFunction longFunction = (LongProbeFunction) function;
            return longFunction.get(source);
        } else {
            DoubleProbeFunction doubleFunction = (DoubleProbeFunction) function;
            double doubleResult = doubleFunction.get(source);
            return Math.round(doubleResult);
        }
    } catch (Exception e) {
        metricsRegistry.logger.warning("Failed to access probe:" + name, e);
        return DEFAULT_VALUE;
    }
}

Example 3 with DoubleProbeFunction

use of com.hazelcast.internal.metrics.DoubleProbeFunction in project hazelcast by hazelcast.

the class MetricsRegistryImpl method render.

private void render(ProbeRenderer renderer, ProbeInstance probeInstance) {
    ProbeFunction function = probeInstance.function;
    Object source = probeInstance.source;
    String name = probeInstance.name;
    if (function == null || source == null) {
        renderer.renderNoValue(name);
        return;
    }
    try {
        if (function instanceof LongProbeFunction) {
            LongProbeFunction longFunction = (LongProbeFunction) function;
            renderer.renderLong(name, longFunction.get(source));
        } else {
            DoubleProbeFunction doubleFunction = (DoubleProbeFunction) function;
            renderer.renderDouble(name, doubleFunction.get(source));
        }
    } catch (Exception e) {
        renderer.renderException(name, e);
    }
}

Example 4 with DoubleProbeFunction

use of com.hazelcast.internal.metrics.DoubleProbeFunction in project hazelcast by hazelcast.

the class DoubleGaugeImplTest method whenDoubleProbe.

@Test
public void whenDoubleProbe() {
    metricsRegistry.register(this, "foo", MANDATORY, new DoubleProbeFunction() {

        @Override
        public double get(Object o) {
            return 10;
        }
    });
    DoubleGauge gauge = metricsRegistry.newDoubleGauge("foo");
    double actual = gauge.read();
    assertEquals(10, actual, 0.1);
}

Example 5 with DoubleProbeFunction

use of com.hazelcast.internal.metrics.DoubleProbeFunction in project hazelcast by hazelcast.

the class DoubleGaugeImplTest method whenProbeThrowsException.

@Test
public void whenProbeThrowsException() {
    metricsRegistry.register(this, "foo", MANDATORY, new DoubleProbeFunction() {

        @Override
        public double get(Object o) {
            throw new RuntimeException();
        }
    });
    DoubleGauge gauge = metricsRegistry.newDoubleGauge("foo");
    double actual = gauge.read();
    assertEquals(0, actual, 0.1);
}