public void addGauge(String name, Gauge gauge) {
final Object value = gauge.getValue();
if (value instanceof Number) {
final Number number = (Number) value;
if (!checkNumber(name, number)) {
return;
}
addGaugeMeasurement(name, number);
}
}
@Test
public void testGauge() {
System.out.println("******************************* GAUGE *******************************");
gauge =
new Gauge<Integer>() {
@Override
public Integer getValue() {
return count++;
}
};
registry.register("gauge", gauge);
try {
for (int i = 0; i < ITER_COUNT; i++) {
gauge.getValue();
Thread.sleep(SLEEP_MS);
}
} catch (InterruptedException ex) {
Thread.currentThread().interrupt();
}
}
private <T> Gauge gauge(T value) {
final Gauge gauge = mock(Gauge.class);
when(gauge.getValue()).thenReturn(value);
return gauge;
}
@Override
public void processGauge(MetricName name, Gauge<?> gauge, PrintStream stream) {
stream.printf(locale, " value = %s\n", gauge.getValue());
}