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Course Outline

Introduction to Rule Engines

  • Artificial Intelligence
  • Expert Systems
  • Understanding Rule Engines
  • Benefits of Using a Rule Engine
  • Key Advantages of Rule Engines
  • Appropriate Scenarios for Rule Engines
  • Rule Engines vs. Scripting or Process Engines
  • When to Avoid Using a Rule Engine
  • Strong vs. Loose Coupling
  • Defining Rules

Creating and Implementing Rules

  • Fact Models
  • KIE
  • Version Control and Repositories for Rules
  • Practical Exercises

Domain Specific Language (DSL)

  • Replacing Standard Rules with DSL
  • Testing DSL Rules
  • Practical Exercises

jBPM

  • Integration with Drools
  • Overview of Basic BPMN
  • Triggering Rules from Within a Process
  • Grouping Rules
  • Practical Exercises

Fusion

  • Understanding Complex Event Processing
  • Overview of Fusion
  • Practical Exercises

Mvel - The Rule Language

  • Filtering (by fact type or field)
  • Operators
  • Compound Conditions
  • Operator Precedence
  • Accumulate Functions (average, min, max, sum, collectList, etc.)

Rete - Under the Hood

  • Compilation Algorithm
  • Drools RETE Extensions
  • Node Types
  • Understanding the Rete Tree
  • Rete Optimization

Rules Testing

  • Testing with KIE
  • Testing with JUnit

OptaPlanner

  • Overview of OptaPlanner
  • Simple Examples

Integrating Rules with Applications

  • Invoking Rules from Java Code

Requirements

Fundamental understanding of any object-oriented programming language.

Basic knowledge of the relational data model (RDBMS).

Familiarity with the core concepts of Business Process Modelling.

 21 Hours

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