public override CacheModificationResult AddOrChange <T>(CacheKey key, CacheValueOf <T> cacheObject)
{
using (new WriteLockDisposable(ThreadLocker))
{
var exists = _memoryCache.GetCacheItem(key) != null;
var cacheItemPolicy = cacheObject.Policy.ToCacheItemPolicy();
var entryDate = DateTime.Now;
var policyExpiry = cacheItemPolicy.AbsoluteExpiration.Subtract(entryDate);
cacheItemPolicy.RemovedCallback +=
arguments =>
LogHelper.TraceIfEnabled(
GetType(),
"Item was removed from cache ({0}). Policy had {1}s to run when entered at {2}. Key: {3}",
() => arguments.RemovedReason.ToString(),
() => policyExpiry.TotalSeconds.ToString(),
() => entryDate.ToString(),
() => key);
_keyTracker.AddOrUpdate(key, key, (existingKey, existingValue) => key);
if (exists)
{
LogHelper.TraceIfEnabled(GetType(), "Updating item with {0} left to run", () => policyExpiry.TotalSeconds.ToString());
_memoryCache.Set(key, cacheObject, cacheItemPolicy);
return(new CacheModificationResult(true, false));
}
var diff = cacheObject.Policy.GetExpiryDate().Subtract(DateTimeOffset.Now);
LogHelper.TraceIfEnabled(GetType(), "Adding item with {0} left to run", () => policyExpiry.TotalSeconds.ToString());
_memoryCache.Add(key, cacheObject, cacheItemPolicy);
}
return(new CacheModificationResult(false, true));
}
public override CacheModificationResult AddOrChange <T>(CacheKey key, CacheValueOf <T> cacheObject)
{
using (new WriteLockDisposable(ThreadLocker))
{
var exists = Get <T>(key) != null;
if (exists)
{
_context.Items[key] = cacheObject;
return(new CacheModificationResult(true, false));
}
_context.Items.Add(key, cacheObject);
}
return(new CacheModificationResult(false, true));
}
public override CacheModificationResult AddOrChange <T>(CacheKey key, CacheValueOf <T> cacheObject)
{
CacheModificationResult toReturn = null;
_cacheStore.AddOrUpdate(
key,
keyForAdding =>
{
toReturn = new CacheModificationResult(false, true);
return(cacheObject);
},
(keyForUpdating, existing) =>
{
toReturn = new CacheModificationResult(true, false);
return(cacheObject);
});
return(toReturn);
}
public abstract CacheModificationResult AddOrChange <T>(CacheKey key, CacheValueOf <T> cacheObject);
public virtual CacheModificationResult AddOrChange(CacheKey key, CacheValueOf <object> cacheObject)
{
return(AddOrChange <object>(key, cacheObject));
}
public virtual CacheModificationResult AddOrChangeValue(CacheKey key, object cacheObject)
{
var value = new CacheValueOf <object>(cacheObject);
return(AddOrChange(key, value));
}