// Builds the cache, and ensures the carrier has an entry within.
private static Dictionary <ICacheCarrier, ICache> BuildCache <T>(ICacheCarrier carrier, Action onSetup) where T : ICache, new()
{
if (caches == null)
{
caches = new Dictionary <Type, Dictionary <ICacheCarrier, ICache> >();
}
Dictionary <ICacheCarrier, ICache> subCache;
if (caches.ContainsKey(typeof(T)))
{
subCache = caches[typeof(T)];
}
else
{
subCache = new Dictionary <ICacheCarrier, ICache>();
caches.Add(typeof(T), subCache);
}
if (!subCache.ContainsKey(carrier))
{
T c = new T();
subCache.Add(carrier, c);
onSetup?.Invoke();
}
return(subCache);
}
/// <summary> Extension method for any ICacheCarrier which needs to set the cache to a reference of something else.
/// If the Cache doesn't exist yet, create it and call the onSetup to fill it with data. </summary>
public static void SetCache <T>(this ICacheCarrier carrier, Action onSetup, T cache) where T : ICache, new()
{
BuildCache <T>(carrier, onSetup)[carrier] = cache;
}
/// <summary> Extension method for any ICacheCarrier which needs to access it's own cache.
/// If the Cache doesn't exist yet, create it and call the onSetup to fill it with data. </summary>
public static T GetCache <T>(this ICacheCarrier carrier, Action onSetup) where T : ICache, new()
{
return((T)BuildCache <T>(carrier, onSetup)[carrier]);
}
