public virtual ObjectCacheBase Acquire()
{
if (CircleCaches.Count == 0)
{
// 生产太多，会多创建空壳。后面从缓存中选取，可能是空壳，进一步需要初始化
Generator(1);
}
var itr = CircleCaches.Values.GetEnumerator();
itr.MoveNext();
ObjectCacheBase circle = itr.Current;
circle.Acquired();
CircleCaches.Remove(circle.Key);
return(circle);
}
public virtual void Acquire(int num, List <ObjectCacheBase> result)
{
if (CircleCaches.Count < num)
{
Generator(num - CircleCaches.Count);
}
var itr = CircleCaches.Values.GetEnumerator();
while (itr.MoveNext() && result.Count < num)
{
ObjectCacheBase circle = itr.Current;
circle.Acquired();
result.Add(circle);
}
for (int i = 0; i < num; ++i)
{
CircleCaches.Remove(result[i].Key);
}
}
