• Any language programmer, useful for all those readers who wish to define rules in their applications to integrate business logic in a

• Basic Java Programming.
• standard way.

Course Outline:

Basic

• What is Rule Based Engine?
• Advantage of Rule Engine.
• When not to use rule engine?
• What is Drools ?
• Major component of Drools

Hands on

• Environment setup
• First Drool program
• Creating Drools project with Eclipse Plugin
• Creating Rule Based Maven Project from scratch

Drools Rule

• Rules basic structure
• Rules Writing
• ules Syntax
• Left Hand Side (When) syntax
• The Right Hand side (then)
• Declarative approach
• Imperative versus Declarative implementation
• Rules execution chaining
• Atomicity of rules
• Ordering of rules
• Rule execution life cycle
• Complex Rule and multiple Rule
• Timers and Calendars

Hands on

• Defining our rules and facts
• Translating rules into Drools Rule Language
• Selecting proper facts
• Basic operations and Drools specific operators
• Basic accumulate functions (sum, max, etc.. ) Intermediate calculations
• Inserting new facts
• Ordering rules
• Backward chaining
• Working with facts
• Manipulating facts in code
• Manipulating facts in rules

Drools Runtime

• KieModel and KieContainer
• KieModel configuration (KieBases, KieSession and statelesee KieSession) Stateless Knowledge Session
• Stateful knowledge Session

Improving Rule Syntax

• Modifying the data in the working memory
• The insert keyword
• The modify and update keywords
• The delete/retract keywords
• Rule Attributes
• Controlling which rule will execute
• Splitting rule groups with agenda group
• Other type of rule groups
  Rule dates management
• Special Drools operations
• Boolean and numeric operations
• Regex operations
  Collections (contains, memberOf)

Understanding KIE Session in details

• Stateless and stateful Kie Session
• Kie Runtime components
• Globals
• Way to parameterize the condition of a pattern
• Way to improve new information into a session in LHS
• Way to collecton information from a session
• Kie Base components
• Functions
• Custom operators
• Custom accumulates functions

Hands on

• All above concepts

Training material provided:

Yes (Digital format)