Abstract

Software development based on building block (SDBBB) theory has gained increasing attention. The workflow technology is applied to software development. Workflow technology based on building block has been given, which can be applied to component-based visual programming, thus workflow technology and component warehouse technology can be combined to form a visual SDBBB mode. A workflow process model based on building block has been put forward, which is the theoretical basis for SDBBB, and is a reference model of component warehouse driven by workflow. Workflow engine system based on building block has been designed. The data model and control model for workflow engine are presented. It has been pointed out that SDBBB is not only suitable for e-government system, but also for the field of visual software development.

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