public static PixelDataManager GetInstance(StudyStorageLocation storage)
{
string key = storage.Key.ToString();
lock (_cache)
{
PixelDataManager instance = _cache[key] as PixelDataManager;
if (instance == null)
{
instance = new PixelDataManager(storage);
_cache.Add(key, instance, null, Cache.NoAbsoluteExpiration, ImageStreamingServerSettings.Default.CacheRetentionWindow, CacheItemPriority.Default, UnloadPixelDataManager);
}
return instance;
}
}
public static PixelDataManager GetInstance(StudyStorageLocation storage)
{
string key = storage.Key.ToString();
lock (_cache)
{
PixelDataManager instance = _cache[key] as PixelDataManager;
if (instance == null)
{
instance = new PixelDataManager(storage);
_cache.Add(key, instance, null, Cache.NoAbsoluteExpiration, ImageStreamingServerSettings.Default.CacheRetentionWindow, CacheItemPriority.Default, UnloadPixelDataManager);
}
return(instance);
}
}
public static PixelDataManager GetInstance(StudyStorageLocation storage)
{
string key = storage.Key.ToString();
var instance = _cache[key] as PixelDataManager;
if (instance != null) return instance;
lock (_insertLock)
{
instance = _cache[key] as PixelDataManager;
if (instance == null)
{
instance = new PixelDataManager(storage);
_cache.Add(key, instance, null, Cache.NoAbsoluteExpiration, _cacheRetentionTime, CacheItemPriority.Default, null);
}
}
return instance;
}
public static PixelDataManager GetInstance(StudyStorageLocation storage)
{
string key = storage.Key.ToString();
var instance = _cache[key] as PixelDataManager;
if (instance != null)
{
return(instance);
}
lock (_insertLock)
{
instance = _cache[key] as PixelDataManager;
if (instance == null)
{
instance = new PixelDataManager(storage);
_cache.Add(key, instance, null, Cache.NoAbsoluteExpiration, _cacheRetentionTime, CacheItemPriority.Default, null);
}
}
return(instance);
}
private static void UnloadPixelDataManager(string key, object value, CacheItemRemovedReason reason)
{
PixelDataManager instance = value as PixelDataManager;
instance.Dispose();
}