Collector { public Counter getCounterByName(String counterName) { for (final Counter counter : counters) { if (counter.getName().equals(counterName)) { return counter; } } return null; } Collector(String application, List<Counter> counters);  Collector(String application, List<Counter> counters,
			SamplingProfiler samplingProfiler); String getApplication(); SamplingProfiler getSamplingProfiler(); List<SampledMethod> getHotspots(); Map<String, Date> getDatesByWebappVersions(); List<Counter> getCounters(); Counter getCounterByName(String counterName); Counter getCounterByRequestId(CounterRequest request); List<CounterRequestContext> getRootCurrentContexts(List<Counter> newParentCounters); long getLastCollectDuration(); Throwable getLastCollectorException(); long getEstimatedMemorySize(); long getDiskUsage(); List<Counter> getRangeCounters(Range range); List<Counter> getRangeCountersToBeDisplayed(Range range); Counter getRangeCounter(Range range, String counterName); void collectLocalContextWithoutErrors(); void collectWithoutErrors(List<JavaInformations> javaInformationsList); JRobin getJRobin(String graphName); Collection<JRobin> getCounterJRobins(); Collection<JRobin> getDisplayedCounterJRobins(); Collection<JRobin> getDisplayedOtherJRobins(); boolean isStorageUsedByMultipleInstances(); void stop(); boolean isStopped(); static void stopJRobin(); static void detachVirtualMachine(); @Override String toString();  }
@Test public void testGetCounterByName() { final Counter counter = createCounter(); final Collector collector = new Collector("test collector2", Collections.singletonList(counter)); assertNotNull("getCounterByName", collector.getCounterByName(counter.getName())); assertNull("getCounterByName", collector.getCounterByName("unknown")); }