public void AddCaching(Type caching, ICachingOptions cachingOptions)
{
UraganoSettings.CachingOptions = cachingOptions;
ServiceCollection.AddSingleton(typeof(ICaching), caching);
ServiceCollection.AddSingleton(typeof(ICachingKeyGenerator), cachingOptions.KeyGenerator);
RegisterSingletonService <CachingDefaultInterceptor>();
}
/// <summary>
/// Caches an object
/// </summary>
/// <param name="key">A unique key to cache the object under</param>
/// <param name="obj">The object to cache</param>
/// <param name="cachingOptions">Options on how to cache</param>
public static void Add(string key, object obj, ICachingOptions cachingOptions)
{
if (string.IsNullOrEmpty(key))
{
throw new ArgumentNullException("key");
}
if (obj == null)
{
throw new ArgumentNullException("obj");
}
if (cachingOptions == null)
{
throw new ArgumentNullException("cachingOptions");
}
CacheItemPolicy cacheItemPolicy = new CacheItemPolicy
{
Priority = CacheItemPriority.Default,
AbsoluteExpiration = DateTime.Now.AddMilliseconds(cachingOptions.Expiration.TotalMilliseconds)
};
if (cachingOptions.OnRemoved != null)
{
cacheItemPolicy.RemovedCallback += x => cachingOptions.OnRemoved(x.RemovedReason);
}
CacheLock.EnterWriteLock();
Cache.Set(key, obj, cacheItemPolicy);
CacheLock.ExitWriteLock();
}
public MemoryCache(IMemoryCache cache, ICachingOptions cachingOptions)
{
this.Cache = cache;
this.CachingOptions = cachingOptions;
_keys = new List <string>();
}
public void Execute(CallbackArgs args)
{
IPublish <Message> response = args.Publish;
ISubscription subscription = args.Peer.GetSubscription(response.Key);
if (subscription == null)
{
return;
}
ICachingOptions cachingOptions = subscription.CachingOptions;
if (cachingOptions == null || !cachingOptions.EnableCaching)
{
return;
}
if (!cachingOptions.HasCacheKey)
{
return;
}
string callbackKey = string.Format("callback#{0}#{1}", args.Peer.Node.Contact.NodeId, response.Key);
string cacheKey = callbackKey;
if (string.Equals(cachingOptions.Key, response.Key))
{
string extraKey = cachingOptions.GetCacheKey(response.Message);
if (!string.IsNullOrEmpty(extraKey))
{
cacheKey = string.Format("{0}#{1}", callbackKey, extraKey);
}
}
CacheManager.Add(cacheKey, args.Publish.Message, cachingOptions);
// Request response scheme
if (string.Equals(subscription.Key, cachingOptions.Key))
{
return;
}
IPublish <Message> request =
CacheManager.Get <IPublish <Message> >(string.Format("publish#{0}#{1}", args.Peer.Node.Contact.NodeId,
cachingOptions.Key));
if (request != null && string.Equals(request.Key, cachingOptions.Key))
{
string extraKey = cachingOptions.GetCacheKey(request.Message);
if (!string.IsNullOrEmpty(extraKey))
{
cacheKey = string.Format("{0}#{1}", callbackKey, extraKey);
CacheManager.Add(cacheKey, args.Publish.Message, cachingOptions);
}
}
}
/// <summary>
/// Retrieves an item from the cache and adds it if is not there
/// </summary>
/// <param name="key"></param>
/// <param name="selector"></param>
/// <param name="cachingOptions"></param>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
/// <exception cref="ArgumentNullException"></exception>
public static T GetOrAdd <T>(string key, Func <T> selector, ICachingOptions cachingOptions) where T : class
{
if (string.IsNullOrEmpty(key))
{
throw new ArgumentNullException("key");
}
if (selector == null)
{
throw new ArgumentNullException("selector");
}
if (cachingOptions == null)
{
throw new ArgumentNullException("cachingOptions");
}
T value = Get <T>(key);
if (value != null)
{
return(value);
}
CacheItemPolicy cacheItemPolicy = new CacheItemPolicy
{
Priority = CacheItemPriority.Default,
AbsoluteExpiration = DateTime.Now.AddMilliseconds(cachingOptions.Expiration.TotalMilliseconds)
};
if (cachingOptions.OnRemoved != null)
{
cacheItemPolicy.RemovedCallback += x => cachingOptions.OnRemoved(x.RemovedReason);
}
try
{
CacheLock.EnterWriteLock();
value = Cache[key] as T;
if (value != null)
{
return(value);
}
value = selector();
Cache.Set(key, value, cacheItemPolicy);
return(value);
}
finally
{
CacheLock.ExitWriteLock();
}
}
public void AddCaching <TCaching>(ICachingOptions cachingOptions) where TCaching : ICaching
{
AddCaching(typeof(TCaching), cachingOptions);
}
public void AddCaching(Type caching, ICachingOptions cachingOptions)
{
AddCaching(caching, typeof(CachingKeyGenerator), cachingOptions);
}
public void AddCaching <TCaching, TKeyGenerator>(ICachingOptions cachingOptions) where TCaching : class, ICaching where TKeyGenerator : class, ICachingKeyGenerator
{
AddCaching(typeof(TCaching), typeof(TKeyGenerator), cachingOptions);
}
