public virtual DbCacheEntry RequestPut(string key, object value, string[] dependentEntitySets)
{
if (!Enabled || IsToxic(dependentEntitySets))
{
return(null);
}
key = HashKey(key);
var entry = new DbCacheEntry
{
Key = key,
Value = value,
EntitySets = dependentEntitySets,
CachedOnUtc = DateTime.UtcNow
};
_requestCache.Value.Put(key, entry);
foreach (var entitySet in entry.EntitySets)
{
var lookup = RequestGetLookupSet(entitySet);
lookup.Add(key);
}
return(entry);
}
public virtual DbCacheEntry Put(string key, object value, IEnumerable <string> dependentEntitySets, TimeSpan?duration)
{
if (!Enabled || IsToxic(dependentEntitySets))
{
return(null);
}
key = HashKey(key);
lock (String.Intern(key))
{
var entitySets = dependentEntitySets.Distinct().ToArray();
var entry = new DbCacheEntry
{
Key = key,
Value = value,
EntitySets = entitySets,
CachedOnUtc = DateTime.UtcNow,
Duration = duration
};
_cache.Put(key, entry);
foreach (var entitySet in entitySets)
{
var lookup = GetLookupSet(entitySet);
lookup.Add(key);
}
return(entry);
}
}
public virtual bool RequestTryGet(string key, out DbCacheEntry value)
{
value = null;
if (!Enabled)
{
return(false);
}
key = HashKey(key);
value = _requestCache.Value.Get <DbCacheEntry>(key);
return(value != null);
}
protected void InvalidateItemUnlocked(DbCacheEntry entry)
{
// remove item itself from cache
_cache.Remove(entry.Key);
// remove this key in all lookups
foreach (var set in entry.EntitySets)
{
var lookup = GetLookupSet(set, false);
if (lookup != null)
{
lookup.Remove(entry.Key);
}
}
}
public bool RequestTryGet(string key, out DbCacheEntry value)
{
value = null;
return(false);
}
