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Basic Event

by Asli Zengin last modified Apr 26, 2012 14:08
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Definitions

Term:
term
Domain: Cross-cutting issues
Engineering and Design
(KM-ED)
Adaptation and Monitoring
(KM-AM)
Quality Definition, Negotiation and Assurance
(KM-QA)
Generic
(domain independent)
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Business Process Management
(KM-BPM)




Service Composition and Coordination
(KM-SC)




Service Infrastructure
(KM-SI)




Generic
(domain independent)

Basic events are the data that we collect at runtime, and are used to evolve a monitor's state. A basic event is defined by a declaration, a location, and a property. The declaration defines the event's name, its type, and its parameters, i.e., the run-time data needed to execute the basic event's property. The location consists of an XPATH expression that selects a unique BPEL activity in the process definition. Finally, the property is given in an extended version of the Web Service Constraint Language. A property can produce one of three possible types: boolean, numeric, or tick. [Baresi et al. 2009]
In  computing an  event is an action that is usually initiated outside the scope of a program and that is handled by a piece of code inside the program. Typically events are handled synchronous with the program flow, that is, the program has one or more dedicated places where events are handled. [Wikipedia]

 

Scenarios

 

References

  • [Baresi et al. 2009] Luciano Baresi, Sam Guinea, Michele Trainotti, and Marco Pistore. "Dynamo + Astro: An Integrated Approach for BPEL Monitoring." in Proc. ICWS, 2009, pp. 230-237.
  • [Wikipedia]  http://en.wikipedia.org/wiki/Event_(computing)

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