A Method of the Active and Passive Event Service Based on the Sensor Web

Table 3

The structure of the PassiveEventService class.

Member variables and member methods	Function
+ ServiceFlag: Boolean	Identifying whether this method is executed
+ ServiceTerminate: Boolean	Identifying whether the event service ends
+ EventJudgement (string judge): void	Event filtering
+ CycleControl (int time): void	Controlling the thread loop of the class
+ DynamicJudgement (string request): string	Dynamically generating the event filter condition

Class member access rights: + public; − private.