增加:单一策略中,支持多个订阅。(若使用多个合约,原有策略模板的开仓功能不能直接用)
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@ -14,6 +14,10 @@
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感到功能不足的用户(即希望更高频的交易),交易策略不应该出现4中所述的情况
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6. 对于想要实现4中所述情况的用户,需要实现一个策略信号引擎和交易委托引擎分开
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的定制化统结构(没错,得自己写)
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Modified by IncenseLee(李来佳)
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1、增加单一策略里,多个vtSymbol的配置。
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'''
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import json
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@ -405,6 +409,17 @@ class CtaEngine(object):
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# 注册持仓更新事件
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self.eventEngine.register(EVENT_POSITION, self.processPositionEvent)
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# 注册定时器事件
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self.eventEngine.register(EVENT_TIMER, self.processTimerEvent)
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def processTimerEvent(self, event):
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"""定时器事件"""
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# 触发每个策略的定时接口
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for strategy in self.strategyDict.values():
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strategy.onTimer()
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# ----------------------------------------------------------------------
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def insertData(self, dbName, collectionName, data):
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"""插入数据到数据库(这里的data可以是CtaTickData或者CtaBarData)"""
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@ -488,15 +503,19 @@ class CtaEngine(object):
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self.strategyDict[name] = strategy
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# 2.保存Tick映射关系(symbol <==> Strategy[] )
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if strategy.vtSymbol in self.tickStrategyDict:
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l = self.tickStrategyDict[strategy.vtSymbol]
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# modifid by Incenselee 支持多个Symbol的订阅
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symbols = strategy.vtSymbol.split(';')
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for symbol in symbols:
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if symbol in self.tickStrategyDict:
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l = self.tickStrategyDict[symbol]
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else:
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l = []
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self.tickStrategyDict[strategy.vtSymbol] = l
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self.tickStrategyDict[symbol] = l
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l.append(strategy)
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# 3.订阅合约
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contract = self.mainEngine.getContract(strategy.vtSymbol)
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contract = self.mainEngine.getContract(symbol)
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if contract:
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# 4.构造订阅请求包
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req = VtSubscribeReq()
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@ -510,7 +529,7 @@ class CtaEngine(object):
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# 5.调用主引擎的订阅接口
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self.mainEngine.subscribe(req, contract.gatewayName)
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else:
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self.writeCtaLog(u'%s的交易合约%s无法找到' %(name, strategy.vtSymbol))
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self.writeCtaLog(u'%s的交易合约%s无法找到' %(name, symbol))
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#----------------------------------------------------------------------
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def initStrategy(self, name, force = False):
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@ -666,6 +685,12 @@ class CtaEngine(object):
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# 5.保存策略数据
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strategy.saveBar()
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def clearData(self):
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"""清空运行数据"""
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self.orderStrategyDict = {}
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self.workingStopOrderDict = {}
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self.posBufferDict = {}
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self.stopOrderDict = {}
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########################################################################
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class PositionBuffer(object):
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