How to Build a Business Rules Engine

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The sample application is referred to in many of the chapters of this book. It serves

as a vehicle for examining how functional elements of a business rules engine may be

implemented. Discussing design options can provide a general appreciation of a

certain number of the issues involved. Only by going to the level of program code

can many of the details involved in these design decisions become apparent. Thus, it

is ultimately necessary to examine the program code in the sample application to fully

appreciate many aspects of the design of a rules engine. The sample application is not

intended to be a functioning rules engine that can be adapted to production use. The

philosophy of this book is that if a business rules engine is to be built, its ...