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Drools JBoss Rules 5.0 Developer's Guide by Michal Bali, Bogdan Brinzarea

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Chapter 1. Introduction

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. However, these processes and decisions are not very well represented using traditional programming languages such as Java or C#. Instead, we should use specialized technology such as the Drools platform.

In this chapter, we'll look at why there is a need for the Drools platform, what advantages and disadvantages it brings, and when (not) to use it. We'll briefly look at its history and what modules it consists of. We'll also see some commercial and open source alternatives.

Problems with traditional approaches

Enterprise systems usually have multiple layers. From ...

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