/// <summary>
/// Force updating the cache params.
/// </summary>
internal void ForceUpdateCacheParams(ISupplier <MemoryCacheParams> cacheParamsSupplier)
{
lock (_cacheGate)
{
long currentTime = DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond;
_lastCacheParamsCheck = currentTime;
_memoryCacheParams = cacheParamsSupplier.Get();
}
}
/// <summary>
/// Updates the cache params (constraints) if enough time has passed
/// since the last update.
/// </summary>
private void MaybeUpdateCacheParams()
{
lock (_cacheGate)
{
long currentTime = DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond;
if (_lastCacheParamsCheck + PARAMS_INTERCHECK_INTERVAL_MS > currentTime)
{
return;
}
_lastCacheParamsCheck = currentTime;
_memoryCacheParams = _memoryCacheParamsSupplier.Get();
}
}
/// <summary>
/// Instantiates the <see cref="CountingMemoryCache{K, V}"/>.
/// </summary>
public CountingMemoryCache(
IValueDescriptor <V> valueDescriptor,
ICacheTrimStrategy cacheTrimStrategy,
ISupplier <MemoryCacheParams> memoryCacheParamsSupplier,
PlatformBitmapFactory platformBitmapFactory,
bool isExternalCreatedBitmapLogEnabled)
{
_valueDescriptor = valueDescriptor;
_exclusiveEntries = new CountingLruMap <K, Entry>(WrapValueDescriptor(valueDescriptor));
_cachedEntries = new CountingLruMap <K, Entry>(WrapValueDescriptor(valueDescriptor));
_cacheTrimStrategy = cacheTrimStrategy;
_memoryCacheParamsSupplier = memoryCacheParamsSupplier;
_memoryCacheParams = _memoryCacheParamsSupplier.Get();
_lastCacheParamsCheck = DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond;
if (isExternalCreatedBitmapLogEnabled)
{
platformBitmapFactory.SetCreationListener(
new BitmapCreationObserverImpl((b, o) => _otherEntries.Add(b, o)));
}
}
