Engine — Rule Engine & Decision Logic Reference#

Quick-reference skill for rule engines, decision tables, and business rule patterns.

When to Use#

• Implementing business rules that change frequently
• Building decision trees or scoring systems
• Choosing between rule engine approaches
• Designing policy engines for access control or pricing
• Separating business logic from application code

Commands#

intro#

bash

scripts/script.sh intro

Overview of rule engines — types, benefits, when to use.

patterns#

bash

scripts/script.sh patterns

Rule engine patterns — forward chaining, backward chaining, Rete.

tables#

bash

scripts/script.sh tables

Decision tables — structure, completeness, and implementation.

dsl#

bash

scripts/script.sh dsl

Domain-specific languages for rules — syntax approaches and examples.

tools#

bash

scripts/script.sh tools

Rule engine tools — Drools, OPA, json-rules-engine, and more.

scoring#

bash

scripts/script.sh scoring

Scoring and ranking engines — weighted rules, multi-criteria decisions.

testing#

bash

scripts/script.sh testing

Testing rule engines — coverage, conflict detection, regression.

checklist#

bash

scripts/script.sh checklist

Rule engine implementation checklist.

help#

bash

scripts/script.sh help

version#

bash

scripts/script.sh version

Configuration#

VariableDescriptionENGINE_DIRData directory (default: ~/.engine/)

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