def set(self, key, value, timeout = None):
if self.delete(key):
self._cache[key].update(value, timeout or self._defaultTimeOut, getTimes())
return True
self.add(key, value, timeout)
return True
def set(self, key, value):
if self.has_key(key):
self.pool[key].update(value, getTimes())
# 从索引队列中删除
self._nodeList.remove(key)
# 加入到索引队列末尾
self._nodeList.append(key)
return True
return False
def add(self, key, value):
if self.has_key(key):
return False
if self.count + 1 <= self.maxSize:
cTime = getTimes()
self.pool[key] = PoolNode(value, cTime)
# 增加到索引队列中
self._nodeList.append(key)
self.count += 1
return True
else:
dKey = self._nodeList[0]
self.delete(dKey)
self.add(key, value)
return True
def isInvaild(self):
now = getTimes()
if now > self._btime + self._timeout:
return False
return True
def add(self, key, value, timeout = None):
if self._cache.has_key(key):
return False
self._cache[key] = CacheNode(value, timeout or self._defaultTimeOut, getTimes())
return True