public bool AddToCache <T>(Guid mediaItemId, T mediaItemInfo, bool createCopy = true) where T : BaseInfo
{
if (_cache == null)
{
return(false);
}
IDictionary <Guid, IList <MediaItemAspect> > aspects = new Dictionary <Guid, IList <MediaItemAspect> >();
mediaItemInfo.SetMetadata(aspects);
IList <MultipleMediaItemAspect> externalAspects;
if (!MediaItemAspect.TryGetAspects(aspects, ExternalIdentifierAspect.Metadata, out externalAspects))
{
return(false);
}
if (createCopy)
{
mediaItemInfo = mediaItemInfo.CloneBasicInstance <T>();
}
bool result = false;
CachedRelationship entry = new CachedRelationship {
MediaItemId = mediaItemId, MediaItemInfo = mediaItemInfo
};
foreach (MediaItemAspect externalAspect in externalAspects)
{
result |= AddToCache(externalAspect, entry);
}
return(result);
}
protected bool TryGetFromCache(BaseInfo mediaItemInfo, out CachedRelationship cachedEntry)
{
cachedEntry = null;
if (_cache == null)
{
return(false);
}
IDictionary <Guid, IList <MediaItemAspect> > aspects = new Dictionary <Guid, IList <MediaItemAspect> >();
mediaItemInfo.SetMetadata(aspects);
IList <MultipleMediaItemAspect> externalAspects;
if (!MediaItemAspect.TryGetAspects(aspects, ExternalIdentifierAspect.Metadata, out externalAspects))
{
return(false);
}
foreach (MediaItemAspect externalAspect in externalAspects)
{
if (TryGetFromCache(externalAspect, mediaItemInfo, out cachedEntry))
{
return(true);
}
}
//ServiceRegistration.Get<ILogger>().Debug("{0}: Cache miss {1} {2}", _cache.Name, mediaItemInfo.GetType().Name, mediaItemInfo);
return(false);
}
protected bool AddToCache(MediaItemAspect externalAspect, CachedRelationship entry)
{
string key = CreateCacheKey(externalAspect);
var newEntries = new Lazy <ConcurrentDictionary <BaseInfo, CachedRelationship> >();
var entries = _cache.AddOrGetExisting(key, newEntries, _cachePolicy) as Lazy <ConcurrentDictionary <BaseInfo, CachedRelationship> > ?? newEntries;
if (entries.Value.TryAdd(entry.MediaItemInfo, entry))
{
//ServiceRegistration.Get<ILogger>().Debug("{0}: Added {1} {2} to cache with Id {3} and Key {4}", _cache.Name, entry.MediaItemInfo.GetType().Name, entry.MediaItemInfo, entry.MediaItemId, key);
//ServiceRegistration.Get<ILogger>().Debug("{0}: Current entries for external aspect: {1}", _cache.Name, entries.Value.Count);
return(true);
}
return(false);
}
protected bool TryGetFromCache(MediaItemAspect externalAspect, BaseInfo mediaItemInfo, out CachedRelationship cachedEntry)
{
string key = CreateCacheKey(externalAspect);
var entries = _cache.Get(key) as Lazy <ConcurrentDictionary <BaseInfo, CachedRelationship> >;
if (entries != null && entries.Value.TryGetValue(mediaItemInfo, out cachedEntry))
{
//ServiceRegistration.Get<ILogger>().Debug("{0}: Got {1} {2} from cache with Id {3} and Key {4}", _cache.Name, cachedEntry.MediaItemInfo.GetType().Name, cachedEntry.MediaItemInfo, cachedEntry.MediaItemId, key);
return(true);
}
cachedEntry = null;
return(false);
}
internal RelationshipDeletedEventArgs(CachedRelationship relationship) : base(relationship.Client)
{
Relationship = relationship;
}
