static LRUSingletonMemoryCache()
{
Instance = new LRUSingletonMemoryCache();
_memoryCache = new MemoryCache("LRUSingletonMemoryCache");
_locks = new ConcurrentDictionary <object, SemaphoreSlim>();
_policy = new CacheItemPolicy();
_lRUQueue = new LRUQueue();
removeCallback = new CacheEntryRemovedCallback(OnRemoved);
_policy.RemovedCallback = removeCallback;
_capacity = 4;
}
static void SimulateCaching()
{
Random rnd = new Random();
int sleepTime = 10000;
LRUSingletonMemoryCache cache = LRUSingletonMemoryCache.Instance;
List <Tuple <string, object> > data = new List <Tuple <string, object> > {
Tuple.Create("1", (object)1),
Tuple.Create("2", (object)2),
Tuple.Create("3", (object)3),
Tuple.Create("4", (object)4)
};
cache.Populate(data);
Thread.Sleep(rnd.Next(sleepTime));
Console.WriteLine("AddOrUpdate 2");
cache.AddOrUpdate("2", 20);
Thread.Sleep(rnd.Next(sleepTime));
Console.WriteLine("AddOrUpdate 5");
cache.AddOrUpdate("5", "x50");
Thread.Sleep(rnd.Next(sleepTime));
Console.WriteLine("AddOrUpdate 6");
cache.AddOrUpdate("6", "6");
Thread.Sleep(rnd.Next(sleepTime));
Console.WriteLine("AddOrUpdate 3");
cache.AddOrUpdate("3", "x30");
Thread.Sleep(rnd.Next(sleepTime));
Console.WriteLine("AddOrUpdate 4");
cache.AddOrUpdate("4", 40);
Thread.Sleep(rnd.Next(sleepTime));
Console.WriteLine("AddOrUpdate 5");
cache.AddOrUpdate("5", new List <int> {
500, 50, 5
});
Thread.Sleep(rnd.Next(sleepTime));
Console.WriteLine("AddOrUpdate 3");
cache.AddOrUpdate("3", 300);
object result;
string key = "5";
Console.WriteLine("TryGet 5");
bool status = cache.TryGet(key, out result);
Console.WriteLine($"Get Value: {status}, {key}:{result}");
Console.WriteLine($"Cache Size: {LRUSingletonMemoryCache.Count}");
Console.WriteLine($"Cache Cleared: {cache.Clear()}, Cache Size: {LRUSingletonMemoryCache.Count}");
}