/// <summary>
/// Set the hit and miss rate counters to 0.
/// </summary>
protected internal void ZeroHitCounter(string name)
{
if (string.IsNullOrWhiteSpace(name))
{
throw new ArgumentNullException(nameof(name));
}
PercentageRatePerformanceCounter hitRateCounter;
NumberOfItems64PerformanceCounter totalHitsCounter;
NumberOfItems64PerformanceCounter totalMissesCounter;
hitRateCounter = HitRateCounters.GetOrAdd(
name,
n => Category.GetPerformanceCounter <PercentageRatePerformanceCounter>(CachePerformanceCounters.HitRateCounterName, name)
);
hitRateCounter.Zero();
totalHitsCounter = TotalHitsCounters.GetOrAdd(
name,
n => Category.GetPerformanceCounter <NumberOfItems64PerformanceCounter>(CachePerformanceCounters.TotalHitsCounterName, name)
);
totalHitsCounter.SetValue(0);
totalMissesCounter = TotalMissesCounters.GetOrAdd(
name,
n => Category.GetPerformanceCounter <NumberOfItems64PerformanceCounter>(CachePerformanceCounters.TotalMissesCounterName, name)
);
totalMissesCounter.SetValue(0);
}
/// <summary>
/// Update the cache size counter.
/// </summary>
protected internal void UpdateHitCounter(string name, long hits, long misses)
{
if (string.IsNullOrWhiteSpace(name))
{
throw new ArgumentNullException(nameof(name));
}
PercentageRatePerformanceCounter hitRateCounter;
NumberOfItems64PerformanceCounter totalHitsCounter;
NumberOfItems64PerformanceCounter totalMissesCounter;
hitRateCounter = HitRateCounters.GetOrAdd(
name,
n => Category.GetPerformanceCounter <PercentageRatePerformanceCounter>(CachePerformanceCounters.HitRateCounterName, name)
);
hitRateCounter.AddHits(hits);
hitRateCounter.AddMisses(misses);
totalHitsCounter = TotalHitsCounters.GetOrAdd(
name,
n => Category.GetPerformanceCounter <NumberOfItems64PerformanceCounter>(CachePerformanceCounters.TotalHitsCounterName, name)
);
totalHitsCounter.IncrementBy(hits);
totalMissesCounter = TotalMissesCounters.GetOrAdd(
name,
n => Category.GetPerformanceCounter <NumberOfItems64PerformanceCounter>(CachePerformanceCounters.TotalMissesCounterName, name)
);
totalMissesCounter.IncrementBy(misses);
}