public ActionCache(
Func <TKey, TValue> valueFetcher,
Func <TValue, uint> sizeEstimator = null,
CacheReapPolicy reapStrategy = CacheReapPolicy.None,
ExpirationPolicy expirationStrategy = ExpirationPolicy.None,
uint maxCapacity = int.MaxValue,
TimeSpan?expirationDuration = null,
NullValuePolicy nullValuePolicy = NullValuePolicy.CacheNormally,
IEqualityComparer <TKey> keyComparer = null)
: base(reapStrategy, expirationStrategy, maxCapacity, expirationDuration, nullValuePolicy, keyComparer)
{
_fetchFunc = valueFetcher;
_estimateSizeFunc = sizeEstimator;
}
protected CacheBase(
CacheReapPolicy reapStrategy = CacheReapPolicy.None,
ExpirationPolicy expirationStrategy = ExpirationPolicy.None,
uint maxCapacity = int.MaxValue,
TimeSpan?expirationDuration = null,
NullValuePolicy nullValuePolicy = NullValuePolicy.CacheNormally,
IEqualityComparer <TKey> keyComparer = null
)
{
if (!expirationDuration.HasValue)
{
expirationDuration = TimeSpan.MaxValue;
}
NullValuePolicy = nullValuePolicy;
InternalStorage = keyComparer == null ? new Dictionary <TKey, CachedItem <TValue> >() : new Dictionary <TKey, CachedItem <TValue> >(keyComparer);
CurrentSize = 0;
ReapPolicy = reapStrategy;
ExpirationPolicy = expirationStrategy;
MaxCapacity = maxCapacity;
ExpirationDuration = expirationDuration.Value;
_lock = new ReaderWriterLockSlim(LockRecursionPolicy.SupportsRecursion);
}
