Micro-Workflow: A Workflow Architecture Supporting Compositional Object -Oriented Software Development
Manolescu, Dragos-Anton
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https://hdl.handle.net/2142/81995
Description
Title
Micro-Workflow: A Workflow Architecture Supporting Compositional Object -Oriented Software Development
Author(s)
Manolescu, Dragos-Anton
Issue Date
2001
Doctoral Committee Chair(s)
Johnson, Ralph E.
Department of Study
Computer Science
Discipline
Computer Science
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Computer Science
Language
eng
Abstract
Workflow technology and process support lies at the center of modern information systems architectures. But despite the large number of commercial workflow systems, object-oriented developers implement their business, scientific, or manufacturing processes with home-made workflow solutions. Current workflow architectures are based on requirements and assumptions that don't hold in the context of object-oriented software development. This dissertation proposes micro-workflow, a new workflow architecture that bridges the gap between the type of functionality provided by current workflow systems and the type of workflow functionality required in object-oriented applications. Micro-workflow provides a better solution when the focus is on customizing the workflow features and integrating with other systems. In this thesis I discuss how micro-workflow leverages object technology to provide workflow functionality. As an example, I present the design of an object-oriented framework which provides a reusable micro-workflow architecture and enables developers to customize it through framework-specific reuse techniques. I show how through composition, developers extend micro-workflow to support history, persistence, monitoring, manual intervention, work-lists, and federated workflow. I evaluate this approach with three case studies that implement processes with different requirements.
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