How to use

getCounter

method

in

uk.gov.dstl.baleen.core.metrics.MetricsFactory

/**
 * Get or create a new counter.
 *
 * @param name
 * @return
 */
public Counter getCounter(String name) {
 return factory.getCounter(base, name);
}

/**
 * Get or create a new counter.
 *
 * @param name
 * @return
 */
public Counter getCounter(String name) {
 return factory.getCounter(base, name);
}

@Test
public void testGetCounter() {
 Counter a = metrics.getCounter(MetricsFactoryTest.class, "a");
 assertNotNull(a);
 assertSame(a, metrics.getCounter(MetricsFactoryTest.class, "a"));
 assertNotEquals(a, metrics.getCounter(MetricsFactoryTest.class, "b"));
 Counter b = metrics.getCounter(MetricsFactoryTest.class.getCanonicalName(), "b");
 assertNotNull(b);
 assertSame(b, metrics.getCounter(MetricsFactoryTest.class.getCanonicalName(), "b"));
 assertNotEquals(b, metrics.getCounter(MetricsFactoryTest.class.getCanonicalName(), "c"));
}

@Test
public void testGetCounter() {
 metrics.getCounter("counter");
 verify(factory).getCounter(anyString(), eq("counter"));
}

 @Test
 public void testConfiguration() throws Exception {
  YamlConfiguration configuration =
    new YamlConfiguration(MetricsFactoryTest.class, "reporters.yaml");
  metrics.configure(configuration);

  metrics.start();

  try {
   metrics.getCounter(MetricsFactoryTest.class, "testConfiguration").inc();

   metrics.getCounter(MetricsFactoryTest.class, "testConfiguration").inc();

   MetricsFactory.getMetrics("test", MetricsFactoryTest.class)
     .getCounter("testConfigurationMetric")
     .inc();

   metrics.report();

   Thread.sleep(1000);
  } finally {
   metrics.stop();
  }

  // Delete the directory of CSV tests

  TestingUtils.deleteDirectory("test_csvmetrics");
 }
}

@Test
public void testComponents() throws BaleenException, IOException {
 metrics.configure(new YamlConfiguration());
 metrics.start();
 metrics.getCounter(MetricsFactoryTest.class, "removeC");
 metrics.stop();
 assertTrue(metrics.getRegistry().getMetrics().isEmpty());
}

@Test
public void testRemove() {
 metrics.getCounter(MetricsFactoryTest.class, "removeC");
 metrics.getTimer(MetricsFactoryTest.class, "removeT");
 metrics.getHistogram(MetricsFactoryTest.class, "removeH");
 metrics.getMeter(MetricsFactoryTest.class, "removeM");
 assertFalse(metrics.getRegistry().getMetrics().isEmpty());
 metrics.removeAll();
 assertTrue(metrics.getRegistry().getMetrics().isEmpty());
}

@Test
public void testDoesntCrash() {
 MetricsFactory factory = MetricsFactory.getInstance();
 factory.getRegistry().addListener(new LoggingMetricListener());
 assertNotNull(factory.getCounter(LoggingMetricListenerTest.class, "a"));
 assertNotNull(factory.getHistogram(LoggingMetricListenerTest.class, "b"));
 assertNotNull(factory.getMeter(LoggingMetricListenerTest.class, "c"));
 assertNotNull(factory.getTimer(LoggingMetricListenerTest.class, "d"));
 factory.removeAll();
}