How to use

getTimer

method

in

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

/**
 * Get or create a new timer.
 *
 * @param name
 * @return
 */
public Timer getTimer(String name) {
 return factory.getTimer(base, name);
}

/**
 * Get or create a new timer.
 *
 * @param name
 * @return
 */
public Timer getTimer(String name) {
 return factory.getTimer(base, name);
}

/** Start timing the processing of a document */
public void startDocumentProcess() {
 finishDocumentProcess(); // Check we've finished the timing of the previous document
 documentTimerContext =
   MetricsFactory.getInstance().getTimer(pipelineName, DOCUMENT_TIMER).time();
}

/** Start timing the processing of a document */
public void startDocumentProcess() {
 finishDocumentProcess(); // Check we've finished the timing of the previous document
 documentTimerContext =
   MetricsFactory.getInstance().getTimer(pipelineName, DOCUMENT_TIMER).time();
}

@Test
public void testGetTimer() {
 Timer a = metrics.getTimer(MetricsFactoryTest.class, "a");
 assertNotNull(a);
 assertSame(a, metrics.getTimer(MetricsFactoryTest.class, "a"));
 assertNotEquals(a, metrics.getTimer(MetricsFactoryTest.class, "b"));
 Timer b = metrics.getTimer(MetricsFactoryTest.class.getCanonicalName(), "b");
 assertNotNull(b);
 assertSame(b, metrics.getTimer(MetricsFactoryTest.class.getCanonicalName(), "b"));
 assertNotEquals(b, metrics.getTimer(MetricsFactoryTest.class.getCanonicalName(), "c"));
}

@Test
public void testGetTimer() {
 metrics.getTimer("timer");
 verify(factory).getTimer(anyString(), eq("timer"));
}

@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 test() throws Exception {
  PipelineMetrics pm = MetricsFactory.getInstance().getPipelineMetrics(PIPELINE_NAME);

  assertEquals(PIPELINE_NAME, pm.getPipelineName());

  pm.startDocumentProcess();
  Thread.sleep(10);
  pm.finishDocumentProcess();

  Timer t = MetricsFactory.getInstance().getTimer(PIPELINE_NAME, "documentProcessingTime");
  assertEquals(1, t.getCount());
  assertTrue(t.getMeanRate() > 0);

  assertEquals(pm, MetricsFactory.getInstance().getPipelineMetrics(PIPELINE_NAME));
 }
}

@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();
}