class TDCQueue(object):
'''Time Delay Circular Queue
'''
def __init__(self, capacity=10000, delay_time=10, pop_size=1):
self.__queue = CircularQueue(capacity=capacity)
self.__set = set()
self.__DELAY_TIME = delay_time
self.__POP_SIZE = pop_size
g_logger.info('Capacity: %d, DelayTime: %d', capacity,
self.__DELAY_TIME)
pass
def push(self, q_data):
assert isinstance(q_data, dict), '%s is not DictType' % q_data
assert q_data and 'k' in q_data and 'v' in q_data
key = q_data['k']
if key in self.__set:
return ECODE.Q_EXISTS
else:
self.__set.add(key)
q_data = (q_data, int(time.time()) + self.__DELAY_TIME)
return self.__queue.push(q_data)
pass
def pop(self):
pop_items = {}
wait_time = self.__DELAY_TIME
current_time = int(time.time())
pop_count = self.__POP_SIZE
while pop_count:
q_item = self.__queue.head()
if ECODE.Q_EMPTY == q_item:
break
g_logger.debug(q_item)
q_data, expire_time = q_item
if current_time >= expire_time:
assert isinstance(q_data, dict)
pop_items[q_data['k']] = q_data['v']
self.__queue.pop()
self.__set.remove(q_data['k'])
pass
else:
wait_time = expire_time - current_time
break
pop_count -= 1
pass
return {'data': pop_items, 'wait_time': wait_time}
def status(self):
wait_time = self.__DELAY_TIME
current_time = int(time.time())
result = self.__queue.status()
q_item = self.__queue.head()
if ECODE.Q_EMPTY != q_item:
q_data, expire_time = q_item
wait_time = expire_time - current_time
result['wait_time'] = wait_time
return result
from circular_queue import CircularQueue q = CircularQueue(5) q.insert(1) q.insert(2) q.insert(3) q.insert(4) q.status() q.insert(5) q.insert(6) q.insert(7) q.insert(8) q.insert(9) print(q)
class TDCQueue(object):
'''Time Delay Circular Queue
'''
def __init__(self, capacity=10000, delay_time=10, pop_size=1):
self.__queue = CircularQueue(capacity=capacity)
self.__set = set()
self.__DELAY_TIME = delay_time
self.__POP_SIZE = pop_size
g_logger.info('Capacity: %d, DelayTime: %d', capacity,
self.__DELAY_TIME)
pass
def push(self, q_data):
assert isinstance(q_data, dict), '%s is not DictType' % q_data
assert q_data and 'k' in q_data and 'v' in q_data
key = q_data['k']
if key in self.__set:
return ECODE.Q_EXISTS
else:
self.__set.add(key)
q_data = (q_data, int(time.time()) + self.__DELAY_TIME)
return self.__queue.push(q_data)
pass
def pop(self):
pop_items = {}
wait_time = self.__DELAY_TIME
current_time = int(time.time())
pop_count = self.__POP_SIZE
while pop_count:
q_item = self.__queue.head()
if ECODE.Q_EMPTY == q_item:
break
g_logger.debug(q_item)
q_data, expire_time = q_item
if current_time >= expire_time:
assert isinstance(q_data, dict)
pop_items[q_data['k']] = q_data['v']
self.__queue.pop()
self.__set.remove(q_data['k'])
pass
else:
wait_time = expire_time - current_time
break
pop_count -= 1
pass
return {'data': pop_items, 'wait_time': wait_time}
def status(self):
wait_time = self.__DELAY_TIME
current_time = int(time.time())
result = self.__queue.status()
q_item = self.__queue.head()
if ECODE.Q_EMPTY != q_item:
q_data, expire_time = q_item
wait_time = expire_time - current_time
result['wait_time'] = wait_time
return result
