How to use

register

method

in

org.apache.samza.metrics.MetricsReporter

/**
 * Starts the server asynchronously. To stop the server, see {@link #stop()}.
 *
 * @throws Exception if the server could not be successfully started.
 */
public void start()
  throws Exception {
 metricsReporters.forEach((reporterName, metricsReporter) -> {
  log.info("Registering the metrics reporter : {},  with source :  {}.", reporterName, METRICS_SOURCE);
  metricsReporter.register(METRICS_SOURCE, metricsRegistry);
  log.info("Starting the metrics reporter : {}.", reporterName);
  metricsReporter.start();
 });
 log.info("Starting server on port {}", ((NetworkConnector) server.getConnectors()[0]).getPort());
 server.start();
 log.info("Server is running");
}

private void startMetrics() {
 for (MetricsReporter reporter: reporters.values()) {
  reporter.register("job-coordinator-" + processorId, (ReadableMetricsRegistry) metrics.getMetricsRegistry());
  reporter.start();
 }
}

private void startMetrics() {
 for (MetricsReporter reporter: reporters.values()) {
  reporter.register("job-coordinator-" + processorId, (ReadableMetricsRegistry) metrics.getMetricsRegistry());
  reporter.start();
 }
}

private void startMetrics() {
 for (MetricsReporter reporter: reporters.values()) {
  reporter.register("job-coordinator-" + processorId, (ReadableMetricsRegistry) metrics.getMetricsRegistry());
  reporter.start();
 }
}

private void startMetrics() {
 for (MetricsReporter reporter: reporters.values()) {
  reporter.register("job-coordinator-" + processorId, (ReadableMetricsRegistry) metrics.getMetricsRegistry());
  reporter.start();
 }
}

@Test
public void testStartShouldStartTheMetricsReportersAndServer() throws Exception {
 NetworkConnector connector = Mockito.mock(NetworkConnector.class);
 int testServerPort = 100;
 Mockito.doReturn(testServerPort).when(connector).getPort();
 Mockito.when(server.getConnectors()).thenReturn(new NetworkConnector[]{connector});
 Mockito.doNothing().when(server).start();
 samzaRestService.start();
 Mockito.verify(metricsReporter).start();
 Mockito.verify(metricsReporter).register("SamzaRest", metricsRegistry);
 Mockito.verify(server).start();
}

this.customMetricsReporter = customMetricsReporters;
for (MetricsReporter metricsReporter : customMetricsReporter.values()) {
 metricsReporter.register("StreamProcessor", metricsRegistry);