Drools JBoss Rules 5.5 Developer’s Guide
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- Learn the power of Drools as a platform for writing your business rules
- Integrate Drools into your Java business application using the Spring framework
- Through real-world examples and solutions, you will be taken from novice to expert
Book DetailsLanguage : English
Paperback : 313 pages [ 235mm x 191mm ]
Release Date : July 2013
ISBN : 1782161260
ISBN 13 : 9781782161264
Author(s) : Michal Bali
Topics and Technologies : All Books, JBoss, Open Source
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What you will learn from this book
- Quickly get started writing your first rules
- Produce decision tables
- Write a domain-specific language to make rules more understandable
- Create a stateful service
- Harness the power of flows through process services
- Fit it all together in a sample web application that uses layered architecture, transactions, Spring, and Hibernate
- Properly test your applications with Guvnor
Writing business rules has always been a challenging task. Business rules tend to change often leading to a maintenance nightmare. This book shows you various ways to code your business rules using Drools, the open source Business Rules Management System.
Drools JBoss Rules 5.5 Developer’s Guide shows various features of the Drools platform by walking the reader through several real-world examples. Each chapter elaborates on different aspects of the Drools platform. The reader will also learn about the inner workings of Drools and its implementation of the Rete algorithm.
The book starts with explaining rule basics, then builds on this information by going through various areas like human readable rules, rules for validation, and stateful rules, using examples from the banking domain. A loan approval process example shows the use of the jBPM module. Parts of a banking fraud detection system are implemented with the Drools Fusion module which is the complex event processing part of Drools. Finally, more technical details are shown detailing the inner workings of Drools, the implementation of the ReteOO algorithm, indexing, node sharing, and partitioning.
The chapters in the book present real-life examples, usually starting with an introduction to the problem, and a discussion of the possible solution. Then the solution is implemented in a step by step fashion implementing several rules.
Who this book is for
The book is for Java developers who want to create rule-based business logic using the Drools platform.