Model-driven development of adaptive web service processes with aspects and rules

Jian Yu*, Quan Z. Sheng, Joshua K Y Swee, Jun Han, Chengfei Liu, Talal H. Noor

*Corresponding author for this work

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Modern software systems are frequently required to be adaptive in order to cope with constant changes. Unfortunately, service-oriented systems built with WS-BPEL are still too rigid. In this paper, we propose a novel model-driven approach to supporting the development of dynamically adaptive WS-BPEL based systems. We model the system functionality with two distinct but highly correlated parts: a stable part called the base model describing the flow logic aspect and a volatile part called the variable model describing the decision logic aspect. We develop an aspect-oriented method to weave the base model and the variable model together so that runtime changes can be applied to the variable model without affecting the base model. A model-driven platform has been implemented to support the development of adaptive WS-BPEL processes. In-lab experiments show that our approach has low performance overhead. A real-life case study also validates the applicability of our approach.

Original languageEnglish
Pages (from-to)533-552
Number of pages20
JournalJournal of Computer and System Sciences
Volume81
Issue number3
DOIs
Publication statusPublished - 1 May 2015
Externally publishedYes

Keywords

  • Adaptive systems
  • Aspect-oriented methodology
  • Design tools and techniques
  • Model-driven development
  • Web services

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