private void TryAddToCachedItems(TKey key, RecyclingBoundedCacheState currentState, TValue value)
{
if (currentState.Items.TryAdd(key, value))
{
var newCount = Interlocked.Increment(ref currentState.Count);
if (newCount > capacity)
{
Interlocked.Exchange(ref state, new RecyclingBoundedCacheState(comparer));
}
}
}
public RecyclingBoundedCache(int capacity, [CanBeNull] IEqualityComparer <TKey> comparer = null)
{
if (capacity < 0)
{
throw new ArgumentOutOfRangeException(nameof(capacity), "The capacity must be non-negative");
}
this.capacity = capacity;
this.comparer = comparer ?? EqualityComparer <TKey> .Default;
state = new RecyclingBoundedCacheState(this.comparer);
}
