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| Category: | General - Books | By: | Packt Publishing |
| More info: | www.packtpub.com ... | Author(s): | Michal Bali |
| Pages: | 301 | Year of publication: | 2009 |
Starting with an introduction to the basic syntax that is essential for writing rules, the book will guide you through validation and human-readable rules that define, maintain, and support your business agility. As a developer, you will be expected to represent policies, procedures & constraints regarding how an enterprise conducts its business; this book makes it easier by showing you it can be done.A real-life example of a banking domain allows you to see how the internal workings of the » Read more... |  |
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Starting with an introduction to the basic syntax that is essential for writing rules, the book will guide you through validation and human-readable rules that define, maintain, and support your business agility. As a developer, you will be expected to represent policies, procedures & constraints regarding how an enterprise conducts its business; this book makes it easier by showing you it can be done.A real-life example of a banking domain allows you to see how the internal workings of the rules engine operate. A loan approval process example shows the use of the Drools Flow module. Parts of a banking fraud detection system are implemented with Drools Fusion module, which is the Complex Event Processing part of Drools. This in turn, will help developers to work on preventing fraudulent users from accessing systems in an illegal way. Finally, more technical details are shown on the inner workings of Drools, the implementation of the ReteOO algorithm, indexing, node sharing, and partitioning.- Write more efficient business rules, and work with the Rete algorithm, node indexing, node sharing, and parallelization;- Create a WS-HumanTask-compliant WorkItem in a process (workflow);- Implement concurrency control in cross-cutting functionalities to manage code easily;- Write human-readable rules, and Domain Specific Language for your rules to easily understand & verify them;- Generate a stateful service by using a stateful knowledge session that maintains state between invocations and teaches you how to transactionally persist this service.