Home » Tag Archives: JBoss Drools (page 2)

Tag Archives: JBoss Drools

JBoss Drools unit testing with junit-drools

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Recently I’ve been working with a project heavily using JBoss Drools. I am not Drools expert – I am not also very convinced to this framework, or maybe only to particular use case in this project – and I found it quite difficult to write simple, maintainable unit tests for Drools based business rules. That’s how junit-drools was born – ...

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R.I.P. RETE time to get PHREAKY

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I’ve just done some high level documentation for the new rule algorithm I’ve called PHREAK, a word play on Hybrid Reasoning. It’s still a bit rough and high level, but hopefully still interesting. It builds on ReteOO, so good to read that bit first. ReteOO Algorithm The ReteOO was developed throughout the 3, 4 and 5 series releases. It takes ...

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Goodbye Guvnor. Hello Drools Workbench.

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Many things are changing for Drools 6.0. Along with the functional and feature changes we have restructured the Guvnor github repository to better reflect our new architecture. Guvnor has historically been the web application for Drools. It was a composition of editors specific to Drools, a back-end repository and a simplistic asset management system. Things are now different. For Drools ...

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Drools decision tables with Camel and Spring

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As I’ve shown it in my previous post JBoss Drools are a very useful rules engine. The only problem is that creating the rules in the Rule language might be pretty complicated for a non-technical person. That’s why one can provide an easy way for creating business rules – decision tables created in a spreadsheet! In the following example I ...

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Life Beyond Rete – R.I.P Rete 2013 :)

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I’m just putting the final touches onto my new algorithm. It merges concepts from Leaps, Collection Oriented Match and Left/Right unlinking, as well as a few ideas of my own. The code is committed, but I’m just getting accumulate to work and writting some more tests. I’ll do a full blog in a week or so, writting about it in ...

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Drools Planner renames to OptaPlanner: Announcing www.optaplanner.org

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We’re proud to announce the rename Drools Planner to OptaPlanner starting with version 6.0.0.Beta1. We’re also happy to unveil its new website: www.optaplanner.org. OptaPlanner optimizes business resource usage. Every organization faces planning problems: provide products or services with a limited set of constrained resources (employees, assets, time and money). OptaPlanner optimizes such planning to do more business with less resources. ...

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Running Drools 5.4.0 Final as a JBoss AS 7 module

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Drools 5 introduces the Business Logic integration Platform which provides a unified and integrated platform for Rules, Workflow and Event Processing. It’s been designed from the ground up so that each aspect is a first class citizen, with no compromises. Drools 5 has splitted up into 4 main sub projects: Drools Guvnor (BRMS/BPMS) Drools Expert (rule engine) Drools Flow (process/workflow) ...

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Drools Guvnor – Manage access

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Externalize business or technical rules is very important for scalable applications but the BRMS service access should be managed. guvnor provides control UI access and operations using role based authorizations. There are several permissions types as listed in drools-guvnor reference manual. Admin with all permissions. Analyst or Analyst read-only: analyst permissions for a specific category. Package admin, Package developer or ...

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JBoss Drools – Getting started

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This post will be about me getting to grips with JBoss Drools. The reasoning behind it is: SAP bought out my company’s current rules engine and Drools is one alternative we will be looking into as soon as someone has the skills to get a proof of concept up. Although there seems to be a fair amount of documentation, I ...

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