Examples with Counter io.micrometer.core.instrument.Counter used on opensource projects

Example 11 with Counter

use of io.micrometer.core.instrument.Counter in project tutorials by eugenp.

the class MicrometerAtlasTest method givenGlobalRegistry_whenIncrementAnywhere_thenCounted.

@Test
public void givenGlobalRegistry_whenIncrementAnywhere_thenCounted() {
    class CountedObject {

        private CountedObject() {
            Metrics.counter("objects.instance").increment(1.0);
        }
    }
    Metrics.addRegistry(new SimpleMeterRegistry());
    Metrics.counter("objects.instance").increment();
    new CountedObject();
    Optional<Counter> counterOptional = Metrics.globalRegistry.find("objects.instance").counter();
    assertTrue(counterOptional.isPresent());
    assertTrue(counterOptional.get().count() == 2.0);
}

Example 12 with Counter

use of io.micrometer.core.instrument.Counter in project tutorials by eugenp.

the class MicrometerAtlasTest method givenCounter_whenIncrement_thenValueChanged.

@Test
public void givenCounter_whenIncrement_thenValueChanged() {
    SimpleMeterRegistry registry = new SimpleMeterRegistry();
    Counter counter = Counter.builder("objects.instance").description("indicates instance count of the object").tags("dev", "performance").register(registry);
    counter.increment(2.0);
    assertTrue(counter.count() == 2);
    counter.increment(-1);
    assertTrue(counter.count() == 2);
}