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An object-oriented framework for transaction capture using co-operating business rule components

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1 Author(s)
Rivett-Carnac, J. ; Ainsworth & Assoc. (Consulting) Ltd., London, UK

In a dealing-room system at a London bank, the transaction capture programs had been built using a GUI-based prototyping approach. This had led to programs with superficial similarity but inconsistency of internal structure which made maintenance difficult. To re-engineer the programs a control framework was devised separating the GUI interface (presentation layer), business rules and persistent storage. The framework allows business rules to be developed as independent, co-operating components. This makes it easier to develop and add new function or re-use previously-developed function. Business rule components are developed and tested separately, then used as building blocks for development of more complex components. They are re-usable because the same business constraints and calculations apply to many different transaction types

Published in:

Software Technology and Engineering Practice, 1997. Proceedings., Eighth IEEE International Workshop on [incorporating Computer Aided Software Engineering]

Date of Conference:

14-18 Jul 1997

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