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Product update: Guvnor security

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A common need and desire of the web interface of Guvnor is to be able to have users of different technical abilities interact with it. Another need is to be able to allocate people different sets of data to “own”. These have now been addressed in Guvnor (these features should be available in Milestone 2Read more →

Tuning Guvnor

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Guvnor is the business rules management system in Drools 5. When you deploy it out of the box, you get an unsecured web application that stores data in Jackrabbit’s embedded Derby database. This article explains how to tune Guvnor deployed on JBoss Application Server 4.2.3. This means that we will use the container’s configuration filesRead more →

Properties Widget In Guvnor

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To continue the last post on this topic, the properties editor widget is complete and is in Guvnor code base from now on. With this widget one can upload a classic properties file, edit it, and also download it back.

More Widgets for Guvnor (Anton Arhipov)

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For properties and XML editors in Guvnor I’m trying to make use of GWT-Ext components. The widgets from this library look really nice. Also the API looks OK. For the properties widget, theres a PropertiesGridPanel available, which provides some nice features for editing the properties (see the screenshot below). .. and a piece of codeRead more →

GuvnorNG

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Work has already begun on GuvnorNG, which is the next generation web framework for Drools, which will hopefully be delivered next year. GuvnorNG is being written to provide the foundations for the JBoss SOA Platform governance tooling, so we need to make every aspect of it pluggable. So it’ll have pluggable viewers and editors, beRead more →

Rolodex Panel Assembly for Guvnor (Anton Arhipov)

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In my previous post about integrating rolodex into Guvnor I tried to create the example just with a set of pre-compiled images which are then assembled into drools-guvnor.war. But the real goal is actually to display the pictures stored in Jackrabbit repository for Guvnor.Now, after some experiments with rolodex and Guvnor, I have a widgetRead more →

Guvnor BRMS and Eclipse Synchronisation

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The Guvnor (BRMS) and Eclipse synchronisation tool has made leaps and bounds in progress for the upcoming 5.0 Milestone 2 release. It now has full bi-direction synchronisation of files between Eclipse and Guvnor. A developer can now work locally with a rule, or other Guvnor assets, they can do lots of small commits to theirRead more →

SVN url changes & a funny video

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For those that care, our SVN urls have changed due to a migration. The repositories are the same, but the URLS different: Developer URL: https://svn.jboss.org/repos/labs/labs/jbossrules/trunk/Anonymous URL: http://anonsvn.jboss.org/repos/labs/labs/jbossrules/trunk/ If you have an existing working copy, you can use svn switch like following: svn switch –relocate https://svn.labs.jboss.org/labs/jbossrules/trunk https://svn.jboss.org/repos/labs/labs/jbossrules/trunk . (for developers). Also, some may remember I mentionedRead more →

Building Decision Trees

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The simplest approach is building a single decision tree from the data set. However, this approach is not very powerful when the classification problem gets harder. Bagging: Boostrap Aggregating Given a set of N instances, each belonging to one of K classes here is the outline of the algorithm used to construct a decision treeRead more →