How to use

loadCount

method

in

com.google.common.cache.CacheStats

@Override
public Number getValue() {
  if (getCache() == null) return Long.valueOf(0);
  return Double.valueOf(getStats().loadCount());
}

/**
 * Gets the number of ASG queries done in the period.
 *
 * @return the long value representing the number of ASG queries done in the
 *         period.
 */
@com.netflix.servo.annotations.Monitor(name = "numOfASGQueries",
    description = "Number of queries made to AWS to retrieve ASG information", type = DataSourceType.COUNTER)
public long getNumberofASGQueries() {
  return asgCache.stats().loadCount();
}

@com.netflix.servo.annotations.Monitor(name = "loadCount", type = COUNTER)
long loadCount() {
 return memoStats.get().loadCount();
}

assertEquals(1, stats.missCount());
assertEquals(1.0, stats.missRate());
assertEquals(1, stats.loadCount());
long totalLoadTime = stats.totalLoadTime();
assertTrue(totalLoadTime >= 0);
assertEquals(1, stats.missCount());
assertEquals(1.0 / 2, stats.missRate());
assertEquals(1, stats.loadCount());
assertEquals(0, stats.evictionCount());
assertEquals(2, stats.missCount());
assertEquals(2.0 / 3, stats.missRate());
assertEquals(2, stats.loadCount());
assertTrue(stats.totalLoadTime() >= totalLoadTime);
totalLoadTime = stats.totalLoadTime();
assertEquals(3, stats.missCount());
assertEquals(3.0 / 4, stats.missRate());
assertEquals(3, stats.loadCount());
assertTrue(stats.totalLoadTime() >= totalLoadTime);
totalLoadTime = stats.totalLoadTime();

public void testEmptySimpleStats() {
 StatsCounter counter = new SimpleStatsCounter();
 CacheStats stats = counter.snapshot();
 assertEquals(0, stats.requestCount());
 assertEquals(0, stats.hitCount());
 assertEquals(1.0, stats.hitRate());
 assertEquals(0, stats.missCount());
 assertEquals(0.0, stats.missRate());
 assertEquals(0, stats.loadSuccessCount());
 assertEquals(0, stats.loadExceptionCount());
 assertEquals(0, stats.loadCount());
 assertEquals(0, stats.totalLoadTime());
 assertEquals(0.0, stats.averageLoadPenalty());
 assertEquals(0, stats.evictionCount());
}

public void testSingle() {
 CacheStats stats = new CacheStats(11, 13, 17, 19, 23, 27);
 assertEquals(24, stats.requestCount());
 assertEquals(11, stats.hitCount());
 assertEquals(11.0 / 24, stats.hitRate());
 assertEquals(13, stats.missCount());
 assertEquals(13.0 / 24, stats.missRate());
 assertEquals(17, stats.loadSuccessCount());
 assertEquals(19, stats.loadExceptionCount());
 assertEquals(19.0 / 36, stats.loadExceptionRate());
 assertEquals(17 + 19, stats.loadCount());
 assertEquals(23, stats.totalLoadTime());
 assertEquals(23.0 / (17 + 19), stats.averageLoadPenalty());
 assertEquals(27, stats.evictionCount());
}

public void testEmpty() {
 CacheStats stats = new CacheStats(0, 0, 0, 0, 0, 0);
 assertEquals(0, stats.requestCount());
 assertEquals(0, stats.hitCount());
 assertEquals(1.0, stats.hitRate());
 assertEquals(0, stats.missCount());
 assertEquals(0.0, stats.missRate());
 assertEquals(0, stats.loadSuccessCount());
 assertEquals(0, stats.loadExceptionCount());
 assertEquals(0.0, stats.loadExceptionRate());
 assertEquals(0, stats.loadCount());
 assertEquals(0, stats.totalLoadTime());
 assertEquals(0.0, stats.averageLoadPenalty());
 assertEquals(0, stats.evictionCount());
}

assertEquals(1, stats.missCount());
assertEquals(1.0, stats.missRate());
assertEquals(1, stats.loadCount());
long totalLoadTime = stats.totalLoadTime();
assertTrue(totalLoadTime >= 0);
assertEquals(1, stats.missCount());
assertEquals(1.0/2, stats.missRate());
assertEquals(1, stats.loadCount());
assertEquals(0, stats.evictionCount());
assertEquals(2, stats.missCount());
assertEquals(2.0/3, stats.missRate());
assertEquals(2, stats.loadCount());
assertTrue(stats.totalLoadTime() >= totalLoadTime);
totalLoadTime = stats.totalLoadTime();
assertEquals(3, stats.missCount());
assertEquals(3.0/4, stats.missRate());
assertEquals(3, stats.loadCount());
assertTrue(stats.totalLoadTime() >= totalLoadTime);
totalLoadTime = stats.totalLoadTime();

 public void testPlus() {
  CacheStats one = new CacheStats(11, 13, 15, 13, 11, 9);
  CacheStats two = new CacheStats(53, 47, 41, 39, 37, 35);

  CacheStats sum = two.plus(one);
  assertEquals(124, sum.requestCount());
  assertEquals(64, sum.hitCount());
  assertEquals(64.0 / 124, sum.hitRate());
  assertEquals(60, sum.missCount());
  assertEquals(60.0 / 124, sum.missRate());
  assertEquals(56, sum.loadSuccessCount());
  assertEquals(52, sum.loadExceptionCount());
  assertEquals(52.0 / 108, sum.loadExceptionRate());
  assertEquals(56 + 52, sum.loadCount());
  assertEquals(48, sum.totalLoadTime());
  assertEquals(48.0 / (56 + 52), sum.averageLoadPenalty());
  assertEquals(44, sum.evictionCount());

  assertEquals(sum, one.plus(two));
 }
}

public void testMinus() {
 CacheStats one = new CacheStats(11, 13, 17, 19, 23, 27);
 CacheStats two = new CacheStats(53, 47, 43, 41, 37, 31);
 CacheStats diff = two.minus(one);
 assertEquals(76, diff.requestCount());
 assertEquals(42, diff.hitCount());
 assertEquals(42.0 / 76, diff.hitRate());
 assertEquals(34, diff.missCount());
 assertEquals(34.0 / 76, diff.missRate());
 assertEquals(26, diff.loadSuccessCount());
 assertEquals(22, diff.loadExceptionCount());
 assertEquals(22.0 / 48, diff.loadExceptionRate());
 assertEquals(26 + 22, diff.loadCount());
 assertEquals(14, diff.totalLoadTime());
 assertEquals(14.0 / (26 + 22), diff.averageLoadPenalty());
 assertEquals(4, diff.evictionCount());
 assertEquals(new CacheStats(0, 0, 0, 0, 0, 0), one.minus(two));
}

assertEquals(13, stats.loadSuccessCount());
assertEquals(17, stats.loadExceptionCount());
assertEquals(13 + 17, stats.loadCount());
assertEquals(214, stats.totalLoadTime());
assertEquals(214.0 / (13 + 17), stats.averageLoadPenalty());

cacheStatistics.put("hitCount", cacheStats.hitCount());
cacheStatistics.put("hitRate", cacheStats.hitRate());
cacheStatistics.put("loadCount", cacheStats.loadCount());
cacheStatistics.put("loadExceptionCount", cacheStats.loadExceptionCount());
cacheStatistics.put("loadExceptionRate", cacheStats.loadExceptionRate());

cacheLoadTotal.addMetric(cacheName, stats.loadCount());
cacheLoadSummary.addMetric(cacheName, stats.loadCount(), stats.totalLoadTime() / Collector.NANOSECONDS_PER_SECOND);

  @Override
  public Long getValue() {
    return cache.stats().loadCount();
  }
});

@Override
public long getLoadCount() {
  return _cache.stats().loadCount();
}

@Override
public long getLoadCount() {
  return stats().loadCount();
}

@Test
public void testStoredProcExecutorJdbcCallOperationsCache() throws Exception {
  final DataSource datasource = mock(DataSource.class);
  final StoredProcExecutor storedProcExecutor = new StoredProcExecutor(datasource);
  final ExpressionFactoryBean efb = new ExpressionFactoryBean("headers['stored_procedure_name']");
  efb.afterPropertiesSet();
  final Expression expression = efb.getObject();
  storedProcExecutor.setStoredProcedureNameExpression(expression);
  storedProcExecutor.setBeanFactory(mock(BeanFactory.class));
  storedProcExecutor.afterPropertiesSet();
  this.mockTheOperationsCache(storedProcExecutor);
  for (int i = 1; i <= 3; i++) {
    storedProcExecutor.executeStoredProcedure(
        MessageBuilder.withPayload("test")
            .setHeader("stored_procedure_name", "123")
            .build());
  }
  final CacheStats stats = (CacheStats) storedProcExecutor.getJdbcCallOperationsCacheStatistics();
  LOGGER.info(stats);
  LOGGER.info(stats.totalLoadTime() / 1000 / 1000);
  assertEquals(stats.hitCount(), 2);
  assertEquals(stats.missCount(), 1);
  assertEquals(stats.loadCount(), 1);
}

  @Override public Long getValue() {
    return client.stats().incrementBufferStats()
        .loadCount();
  }
});

/**
 * Gets the number of ASG queries done in the period.
 *
 * @return the long value representing the number of ASG queries done in the
 *         period.
 */
@com.netflix.servo.annotations.Monitor(name = "numOfASGQueries",
    description = "Number of queries made to AWS to retrieve ASG information", type = DataSourceType.COUNTER)
public long getNumberofASGQueries() {
  return asgCache.stats().loadCount();
}

@com.netflix.servo.annotations.Monitor(name = "loadCount", type = COUNTER)
long loadCount() {
 return memoStats.get().loadCount();
}