Applying Business Rules to ERP Processes — The Wirabumi Approach

In most ERPs — including Openbravo — key decisions such as approvals, pricing, and stock replenishment are often hard‑coded or manually executed. That approach works… until it doesn’t.
As businesses grow, their rules evolve, and hard‑coded logic quickly becomes a source of rigidity, high maintenance, and costly customizations.

At Wirabumi Software, we bring Drools Business Rule Engine into our enterprise ecosystem to solve this problem at the root. Drools is not an add‑on; it is a core part of our open‑source stack, enabling ERP processes to adapt dynamically to the business — not the other way around.

Why We Bring Drools to the Table

1. Eliminating Hard‑Coded Logic

Every business is unique. Your approval flow, pricing matrix, or stock logic is never identical to another company’s.
Hard‑coding these rules inside the ERP blurs the line between:

• baseline ERP logic, and
• customer-specific customizations

Drools keep rules outside the ERP, making them modular, maintainable, and easy to evolve — without touching ERP core code.

2. A Shared Language Between Business Users and Engineers

Drools rules are written in structured business language.
This brings a strategic advantage:

• Business users understand the rules
• Engineers can implement them directly
• No translation gaps
• No misinterpretation during hyper care
• No “lost in translation” chaos

Both sides finally speak the same rule vocabulary.

3. Text-Based Rules for Git Versioning

Drools rules are simple text files — and that changes everything:

• Full version history
• Easy comparisons
• Clear traceability
• Safe rollback

Your business logic benefits from the same discipline as your software engineering workflow.

4. Rules in a File – Enable Digital Signatures

Because Drools rules are file, they can be digitally signed by authorized personnel.
Wirabumi Software provides:

Wirabumi Software provides:

• A digital signature solution
• A standardized governance workflow
• Production enforcement that only signed rules may run

This ensures authenticity, accountability, and secure rule distribution.

5. Simplified Audit, Compliance & ISO Alignment

From the signature process above, a powerful benefit emerges:

Audit becomes easy and system-driven.
Compliance becomes digital and embedded.
ISO processes integrate naturally into rule governance.

No extra paperwork. No manual chasing.
Everything is traceable, enforceable, and automated.

What Wirabumi Delivers

1. Business Rule Automation Implementation

CA complete rule automation package:

• Rule modeling and consulting
• Drools rule development
• Deployment into Wirabumi Cloud (SaaS)
• Configuration inside Openbravo or your ERP
• Training on reading, writing, modifying, and deploying rules

We equip your team to become fully independent.

2. ERP & Application Integration

Drools do not run in isolation. Drools must be called by an application, workflow, or API.

We integrate Drools with:

• Openbravo ERP
• WiraComposite ecosystem
• Custom enterprise applications
• Order‑to‑cash, procure‑to‑pay, and operational workflows

The outcome: fast, accurate, consistent decision-making across your systems.

Continue Your Journey with Drools

If this approach resonates with you, here are two paths you can explore next:

❯ Explore More Articles on Drools

Dive deeper into real use cases, architecture explanations, and rule design best practices.

❯ Visit Our Dedicated Drools Page

Learn how Drools fits into the WiraComposite ecosystem, including pricing, features, and integration options.