/// <summary>
/// Removes an item from the cache
/// </summary>
/// <param name="Key">Key associated with the item to remove</param>
public virtual void Remove(KeyType Key)
{
if (Exists(Key))
{
lock (InternalCache)
{
if (Exists(Key))
{
InternalCache.Remove(Key);
}
}
}
}
/// <inheritdoc /> public void Remove(IEnumerable <FormKey> keys) => InternalCache.Remove(keys);
/// <inheritdoc /> public bool Remove(FormKey key) => InternalCache.Remove(key);
public virtual void HandleEvent(EntityChangedEventData <TEntity> eventData)
{
InternalCache.Remove(GetCacheKey(eventData.Entity));
}
public static void Remove(string key)
{
Check.Argument.IsNotNullOrEmpty(key, "key");
InternalCache.Remove(key);
}
/// <summary>
/// Compacts the specified percentage.
/// </summary>
/// <param name="percentage">The percentage.</param>
public override void Compact(double percentage)
{
if (InternalCache is null)
{
return;
}
int CurrentCount = InternalCache.Count;
int ItemsToRemove = (int)Math.Round(CurrentCount * percentage, MidpointRounding.AwayFromZero);
int TargetCount = CurrentCount - ItemsToRemove;
if (TargetCount == CurrentCount)
{
return;
}
var CurrentTime = DateTimeOffset.UtcNow;
lock (LockObject)
{
var Items = InternalCache.Values.ToArray();
var EntriesToRemove = new List <CacheEntry>();
var LowPriorty = new List <CacheEntry>();
var NormalPriorty = new List <CacheEntry>();
var HighPriorty = new List <CacheEntry>();
for (int i = 0; i < Items.Length; i++)
{
var Item = Items[i];
if (!CheckValid(Item, CurrentTime))
{
Item.Invalid = true;
EntriesToRemove.Add(Item);
--CurrentCount;
}
else
{
switch (Item.Priority)
{
case CachePriority.Low:
{
LowPriorty.Add(Item);
break;
}
case CachePriority.Normal:
{
NormalPriorty.Add(Item);
break;
}
case CachePriority.High:
{
HighPriorty.Add(Item);
break;
}
}
}
}
CurrentCount = ExpirePriorityBucket(CurrentCount, TargetCount, EntriesToRemove, LowPriorty);
CurrentCount = ExpirePriorityBucket(CurrentCount, TargetCount, EntriesToRemove, NormalPriorty);
CurrentCount = ExpirePriorityBucket(CurrentCount, TargetCount, EntriesToRemove, HighPriorty);
foreach (var Item in EntriesToRemove)
{
CurrentSize -= (Item.Size ?? 0);
InternalCache.Remove(Item.Key);
EvictionCallback(Item.Key, Item.Value, EvictionReason.Expired, this);
}
}
}
