internal JYCache(CacheConfig cacheconfig)
{
this.config = cacheconfig;
if (-1 == config.ConcurrencyLevel)
{
config.ConcurrencyLevel = Environment.ProcessorCount * 2;
}
Contract.Assert(config.ConcurrencyLevel > 0);
if (cacheconfig.WeakKey && config.WeakValue)
{
kvState = 1;
dicWeakKV = new ConditionalWeakTable <object, CacheEntity <WeakReference <object> > >();
}
else if (config.WeakKey)
{
kvState = 2;
dicWeakKey = new ConditionalWeakTable <object, CacheEntity <TValue> >();
}
else if (config.WeakValue)
{
kvState = 3;
dicWeakValue = new ConcurrentDictionary <TKey, CacheEntity <WeakReference <object> > >(config.ConcurrencyLevel, config.InitSzie);
}
else
{
kvState = 4;
dicCache = new ConcurrentDictionary <TKey, CacheEntity <TValue> >(config.ConcurrencyLevel, config.InitSzie);
}
//
weighter = (int)(config.MaxCacheSize * config.Weight);
stack = new ConcurrentStack <TKey>();
dicKeys = new ConcurrentDictionary <TKey, string>();
removeEntities = new ConcurrentQueue <RemoveEntity <TKey, TValue> >();
//策略
switch (config.Policy)
{
case CachePolicy.FIFO:
policy = new FIFOPolicy <TValue>();
weakpolicy = new FIFOPolicy <WeakReference <object> >();
break;
case CachePolicy.LFU:
policy = new LFUPolicy <TValue>();
weakpolicy = new LFUPolicy <WeakReference <object> >();
break;
case CachePolicy.LRU:
policy = new LRUPolicy <TValue>();
weakpolicy = new LRUPolicy <WeakReference <object> >();
break;
}
// 启动定时器
waitTimeOut = config.CacheTime * 1000;//转换毫秒
}
public CacheCompare(IPolicyCompare <T> compare)
{
policy = compare;
}