35 lines
1.0 KiB
Python
35 lines
1.0 KiB
Python
|
|
# 市场数据监听控制事件
|
|
MarketDataUpdate = "market_data_update"
|
|
ActionEnableMarketData = "enable_market_data"
|
|
ActionDisableMarketData = "disable_market_data"
|
|
MarketDataEnabled = "market_data_enabled"
|
|
MarketDataDisabled = "market_data_disabled"
|
|
MarketOrderCreated = "market_order_created"
|
|
MarketOrderTraded = "market_order_traded"
|
|
# Pring Log
|
|
EventPrintLog = "print_log"
|
|
|
|
class EventBus:
|
|
def __init__(self):
|
|
self.listeners = {} # 管理各种event的订阅情况
|
|
|
|
def subscribe(self, event_type, listener):
|
|
if event_type not in self.listeners:
|
|
self.listeners[event_type] = []
|
|
self.listeners[event_type].append(listener)
|
|
|
|
def publish(self, event_type, data):
|
|
if event_type in self.listeners:
|
|
for listener in self.listeners[event_type]:
|
|
listener(data)
|
|
|
|
|
|
# # 订阅事件
|
|
# event_bus.subscribe('my_event', handle_event)
|
|
|
|
# # 发布事件
|
|
# event_bus.publish('my_event', {'key': 'value'})
|
|
|
|
# 创建事件总线实例
|
|
event_bus = EventBus() |