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Drools JBoss Rules 5.X Developer's Guide by Michal Bali

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Chapter 1. Programming Declaratively

The need to build more and more complex systems is increasing. We're trying to automate all kinds of business processes and implement complex business decisions (for example, insurance-claim adjudication, subscriber enrollment, retail-pricing, promotion, banking-mortgage application, and fraud detection). However, these processes and decisions may not be represented well using traditional programming languages, such as Java or C#. Instead, we should use a specialized technology, such as the Drools platform.

In this chapter we'll look at why there is a need for a platform such as Drools, what advantages and disadvantages it brings, and when or not to use it. We'll briefly look at its history and what modules ...

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