Stateless process enactment

Authors:
Raf Haesen;Lotte De Rore;Stijn Goedertier;Monique Snoeck;Wilfried Lemahieu;Stephan Poelmans
Affiliations:
Katholieke Universiteit Leuven, Leuven, Belgium;Katholieke Universiteit Leuven, Leuven, Belgium;Katholieke Universiteit Leuven, Leuven, Belgium;Katholieke Universiteit Leuven, Leuven, Belgium;Katholieke Universiteit Leuven, Leuven, Belgium;Katholieke Universiteit Leuven, Leuven, Belgium
Venue:
Proceedings of the 14th Conference on Pattern Languages of Programs
Year:
2007

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Abstract

John from the claims department at InsuranceCo is quite dissatisfied after his exploratory study of some popular work-flow engines available in the market. In his opinion, they all act like some "Big Brother" who needs complete control over all existing information systems. John considers their claim handling process that is enacted by such a workflow engine, but for which a specific activity can be executed without intervention of the engine. However, in that case, the state of the running process will not be updated in the workflow engine and as a consequence it will be erroneous. Stateless Process Enactment facilitates the construction of a work-flow engine, in which the state of processes is not explicitly stored.