Transaction processing

摘要

A processor ( 2 ) in a transaction processing system ( 1 ) has an event engine and a scenario engine. The event engine stores a framework ( 20 ) for each entity or type of service. The framework ( 20 ) has a parent class ( 21 ) and subsidiary classes ( 22 - 27 ). In real time the event engine instantiates an event object from a relevant class ( 22 - 27 ), giving it an effective time on a timeline of the parent class ( 21 ). The event objects many subsequently be handled as autonomous units for generation of reports or batch processing. The event engine moves the event objects between states of a finite state machine. A scenario engine also manipulates objects according to a finite state machine with future dates as the effective times. There is a state transition from the scenario environment to the event engine (live) environment.