@Test
public void testCanGetStats() {
CacheConfiguration<Long, String> cacheConfiguration =
CacheConfigurationBuilder.newCacheConfigurationBuilder()
.withResourcePools(
ResourcePoolsBuilder.newResourcePoolsBuilder().heap(10, EntryUnit.ENTRIES).build())
.buildConfig(Long.class, String.class);
ManagementRegistry managementRegistry =
new DefaultManagementRegistry(
new DefaultManagementRegistryConfiguration().setCacheManagerAlias("myCM"));
CacheManager cacheManager1 =
CacheManagerBuilder.newCacheManagerBuilder()
.withCache("aCache1", cacheConfiguration)
.withCache("aCache2", cacheConfiguration)
.using(managementRegistry)
.build(true);
Map<String, String> context1 = new HashMap<String, String>();
context1.put("cacheManagerName", "myCM");
context1.put("cacheName", "aCache1");
Map<String, String> context2 = new HashMap<String, String>();
context2.put("cacheManagerName", "myCM");
context2.put("cacheName", "aCache2");
cacheManager1.getCache("aCache1", Long.class, String.class).put(1L, "1");
cacheManager1.getCache("aCache1", Long.class, String.class).put(2L, "2");
cacheManager1.getCache("aCache2", Long.class, String.class).put(3L, "3");
cacheManager1.getCache("aCache2", Long.class, String.class).put(4L, "4");
cacheManager1.getCache("aCache2", Long.class, String.class).put(5L, "5");
Collection<Counter> counters =
managementRegistry.collectStatistics(context1, "StatisticsCapability", "PutCounter");
assertThat(counters, hasSize(1));
assertThat(counters.iterator().next().getValue(), equalTo(2L));
List<Collection<Counter>> allCounters =
managementRegistry.collectStatistics(
Arrays.asList(context1, context2), "StatisticsCapability", "PutCounter");
assertThat(allCounters, hasSize(2));
assertThat(allCounters.get(0), hasSize(1));
assertThat(allCounters.get(1), hasSize(1));
assertThat(allCounters.get(0).iterator().next().getValue(), equalTo(2L));
assertThat(allCounters.get(1).iterator().next().getValue(), equalTo(3L));
cacheManager1.close();
}
