Rules Engines

Advantages of rules engines

Rules are easy to understand fordevelopers and business analysts.• Rules are easily maintainable.• Rule Engine uses a Rete algorithmwhich states that the performance ofthe engine never depends on thenumber of rules.• Rules can be modified and deployedwithout bringing down the application.• Externalizes the business logic fromthe comparatively static codebase.• Rules are developed in lesscomplicated formats so the businessanalyst can easily read and verify agroup of rules.• Rules allow you to create a warehouseof knowledge which is executable inform.• Tools like Eclipse help you to managerules, get an instant response,authentication, and content support.

Drawbacks

  • Lots of learning effort requires by developers to know this method ofprogramming
    • Rule engine is not a secure method totroubleshoot issues
    • Needs to understand the working of rule engine to consumes more memory
    • There are a wide set of rules for acomplex branching.