Abstract
Complex Event Processing (CEP) using Event-Condition-Action (ECA) rules has proved particularly suitable for detecting noteworthy business situations of a defined length and structure. By contrast, challenges arise when the state of a complex, durable entity – e.g., a counter, a server, or a task queue – shall be derived from continuous streams of low-level updates. In this paper, we present a novel approach to state management for CEP applications. We propose business entity providers, which encapsulate arbitrary state-calculation logic and manage state in the form of typed, application-wide data structures. Using a plug-in-based component model, business entity providers can be integrated into an application based on the specific requirements of a business scenario. We present an ECA rule model that allows accessing business entities well-integrated with event-pattern detection and demonstrate our approach in a real-world scenario from the workload automation domain.
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Obweger, H., Schiefer, J., Suntinger, M., Thullner, R. (2011). Entity-Based State Management for Complex Event Processing Applications. In: Bassiliades, N., Governatori, G., Paschke, A. (eds) Rule-Based Reasoning, Programming, and Applications. RuleML 2011. Lecture Notes in Computer Science, vol 6826. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-22546-8_13
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DOI: https://doi.org/10.1007/978-3-642-22546-8_13
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