def _deserialize(self, params):
        if params.get("EventSet") is not None:
            self.EventSet = []
            for item in params.get("EventSet"):
                obj = RunTimeTendencyInfo()
                obj._deserialize(item)
                self.EventSet.append(obj)
        self.EventType = params.get("EventType")
        memeber_set = set(params.keys())
        for name, value in vars(self).items():
            if name in memeber_set:
                memeber_set.remove(name)
        if len(memeber_set) > 0:
            warnings.warn("%s fileds are useless." % ",".join(memeber_set))