/// <summary>
/// 监测缓存时间
/// </summary>
private void Take()
{
if (isRun)
{
return;
}
isRun = true;
Task.Factory.StartNew(() =>
{
Thread.Sleep(2000);//延迟2秒
Thread.Sleep(minCacheTime / 2);
int num = queue.Count;
if (num > 0)
{
SigleEntity <TKey, TValue> entity = null;
long writeTime = 0;
long curTime = DateTime.Now.Ticks;
do
{
if (queue.TryDequeue(out entity))
{
if (!pairs.TryGetValue(entity.Key, out writeTime))
{
writeTime = entity.WriteTime;
}
//
if ((curTime - writeTime) / ticksMS > entity.CacheTime)
{
//移除
cache.Remove(entity.Key);
pairs.TryRemove(entity.Key, out writeTime);
entity.Cache.Remove(entity.Key);
}
else
{
if (nextCacheTime > entity.CacheTime)
{
nextCacheTime = entity.CacheTime;
}
}
}
num--;
} while (num > 0);
//
minCacheTime = nextCacheTime;
nextCacheTime = int.MaxValue;
isRun = false;
}
});
}
/// <summary>
/// 添加元素
/// </summary>
/// <param name="entity"></param>
public void Add(SigleEntity <TKey, TValue> entity)
{
queue.Enqueue(entity);
if (entity.CacheTime > 0)
{
pairs[entity.Key] = entity.WriteTime;
if (minCacheTime > entity.CacheTime)
{
minCacheTime = entity.CacheTime;
}
}
else if (entity.CacheTime == 0)
{
persistence[entity.Key] = null;
}
}
public void Add(TKey key, TValue value, int slfTime = -1)
{
if (lazyObject.IsValueCreated)
{
lazyObject.Value.Refresh(key);
}
if (slfTime > -1)
{
SigleEntity <TKey, TValue> sigle = new SigleEntity <TKey, TValue>()
{
Cache = this, CacheTime = slfTime * 1000, Key = key, WriteTime = DateTime.Now.Ticks
};
lazyObject.Value.Add(sigle);
}
switch (kvState)
{
case 1:
{
CacheEntity <WeakReference <object> > entityKV = null;
object outValue = (object)value;
if (dicWeakKV.TryGetValue(key, out entityKV))
{
//更新
entityKV.element.WriteTime = DateTime.Now.Ticks;
entityKV.element.AcessTime = DateTime.Now.Ticks;
entityKV.element.Value = new WeakReference <object>(outValue);
}
else
{
object outKey = (object)key;
entityKV = new CacheEntity <WeakReference <object> >();
entityKV.element = new CacheElement <WeakReference <object> >();
entityKV.element.AcessTime = DateTime.Now.Ticks;
entityKV.element.Hit = 0;
entityKV.element.Value = new WeakReference <object>(outValue);
entityKV.element.WriteTime = DateTime.Now.Ticks;
dicWeakKV.Add(outKey, entityKV);
if (config.UseMemory && (config.Policy == CachePolicy.FIFO || config.Policy == CachePolicy.LRU))
{
stack.Push(key); //记录操作
}
else
{
dicKeys[key] = null; //必须记录KEY
}
//
Interlocked.Increment(ref cacheSize);
}
}
break;
case 2:
{
CacheEntity <TValue> entityK;
if (dicWeakKey.TryGetValue(key, out entityK))
{
entityK.element.WriteTime = DateTime.Now.Ticks;
entityK.element.AcessTime = DateTime.Now.Ticks;
entityK.element.Value = value;
}
else
{
object outK = (object)key;
entityK = new CacheEntity <TValue>();
entityK.element = new CacheElement <TValue>();
entityK.element.AcessTime = DateTime.Now.Ticks;
entityK.element.Hit = 0;
entityK.element.WriteTime = DateTime.Now.Ticks;
entityK.element.Value = value;
dicWeakKey.Add(outK, entityK);
if (config.UseMemory && (config.Policy == CachePolicy.FIFO || CachePolicy.LRU == config.Policy))
{
stack.Push(key);
}
else
{
dicKeys[key] = null;
}
Interlocked.Increment(ref cacheSize);
}
}
break;
case 3:
{
CacheEntity <WeakReference <object> > entityV = null;
object outV = (object)value;
if (dicWeakValue.TryGetValue(key, out entityV))
{
entityV.element.WriteTime = DateTime.Now.Ticks;
entityV.element.AcessTime = DateTime.Now.Ticks;
entityV.element.Value = new WeakReference <object>(outV);
}
else
{
entityV = new CacheEntity <WeakReference <object> >();
entityV.element = new CacheElement <WeakReference <object> >();
entityV.element.AcessTime = DateTime.Now.Ticks;
entityV.element.Hit = 0;
entityV.element.Value = new WeakReference <object>(outV);
entityV.element.WriteTime = DateTime.Now.Ticks;
dicWeakValue[key] = entityV;
if (config.UseMemory)
{
stack.Push(key);
}
Interlocked.Increment(ref cacheSize);
}
}
break;
case 4:
{
CacheEntity <TValue> entity = null;
if (dicCache.TryGetValue(key, out entity))
{
entity.element.WriteTime = DateTime.Now.Ticks;
entity.element.AcessTime = DateTime.Now.Ticks;
entity.element.Value = value;
}
else
{
entity = new CacheEntity <TValue>();
entity.element = new CacheElement <TValue>();
entity.element.AcessTime = DateTime.Now.Ticks;
entity.element.WriteTime = DateTime.Now.Ticks;
entity.element.Hit = 0;
entity.element.Value = value;
dicCache[key] = entity;
if (config.UseMemory)
{
stack.Push(key); //记录操作
}
Interlocked.Increment(ref cacheSize);
}
}
break;
}
CheckPolicy();
//准备持久化
if (dicPersAdd != null)
{
dicPersAdd[key] = value;
}
}