Examples of com.google.common.cache.AbstractCache.StatsCounter

    cache.invalidateAll(toInvalidate);
    assertEquals(toInvalidate, invalidated);
  }


  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(0.0, stats.averageLoadPenalty());
    assertEquals(0, stats.evictionCount());
  }


  public void testSingleSimpleStats() {
    StatsCounter counter = new SimpleStatsCounter();
    for (int i = 0; i < 11; i++) {
      counter.recordHits(1);
    }
    for (int i = 0; i < 13; i++) {
      counter.recordLoadSuccess(i);
    }
    for (int i = 0; i < 17; i++) {
      counter.recordLoadException(i);
    }
    for (int i = 0; i < 23; i++) {
      counter.recordMisses(1);
    }
    for (int i = 0; i < 27; i++) {
      counter.recordEviction();
    }
    CacheStats stats = counter.snapshot();
    int requestCount = 11 + 23;
    assertEquals(requestCount, stats.requestCount());
    assertEquals(11, stats.hitCount());
    assertEquals(11.0 / requestCount, stats.hitRate());
    int missCount = 23;

Related Classes of com.google.common.cache.AbstractCache.StatsCounter

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