Methods and apparatus for a timer event service infrastructure

Details Methods and apparatus for a timer event service infrastructure Methods and apparatus for a timer event service infrastructure

2003-12-31

2009-06-23

An, Meng-Ai (Department: 2194)

Electrical computers and digital processing systems: interprogra

Event handling or event notification

C719S328000, C713S501000, C713S502000

Reexamination Certificate

active

07552446

ABSTRACT:
Complex software systems often require time-based processing, such as delayed or periodic timer event handling. A timer service provides an Application Programming Interface (API) for managing timers, and therefore provides a developer abstraction for representing time-based processing. In operation, the timer service infrastructure employs a plurality of timer events, each having a corresponding timer handler, in which each of the timer events is associated with a generic timer reference, employed by a timer interface. The generic reference, therefore, may refer to any of the plurality of timers. The timer service may disable, or passivate modules including subscribers having timer handlers without disrupting timer continuity and invocation. Upon timer expiration, the timer service enables modules having subscribers to the timer. The timer service therefore seamlessly enables inactive modules upon timer expiration. Further, the common generic timer reference avoids timer event specific stubs and references related to specific classes, which tend to complicate deployment.

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Flanagan, David, “Java in a Nutshell”, Third Edition, O'Reilly & Associates, Inc., 1999; pp. 497, 536-537.
“Microsoft Computer Dictionary,” Fifth Edition, Microsoft Press, 2002; p. 510.

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