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Barcelona JUG this Tuesday 6-OCT-2015: Meet the Drools, OptaPlanner, jBPM and UberFire team!

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Almost the entire Drools, OptaPlanner, jBPM and UberFire team will be Barcelona next week. So we ‘ll do a talk at the Barcelona JUG on Tuesday at 19:00. Free entrance of course. The core developers will give an introduction to each of their technologies and answer your questions. If you’re coming, don’t forget to RSVP!

Maven BOM’s (Bill of Materials)

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Starting from version 6.0.0.CR2, we ‘ll release BOM (Bill of Materials) files: org.drools:drools-bom org.jbpm:jbpm-bom org.optaplanner:optaplanner-bom A BOM file makes it easier to use Drools, jBPM or OptaPlanner in your maven project, because you need to specify the <version> only once:   <dependencyManagement>     <dependencies>       <dependency>         <groupId>org.drools</groupId>         <artifactId>drools-bom</artifactId>         <type>pom</type>         <version>6.0.0.CR2</version>         <scope>import</scope>       </dependency>       ...     </dependencies>   </dependencyManagement>   <dependencies>     <dependency>       <groupId>org.kie</groupId>Read more →

Stress testing the Phreak algorithm

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Some time ago, Mark blogged about his new rule engine algorithm. This new algorithm, an alternative to RETE, has been named Phreak. It’s a drop-in replacement deep inside Drools, so from a user’s perspective, nothing changes in your Drools related code. Such a new algorithm is a big change, so regression testing is critical. LuckilyRead more →

Score DRL: faster and easier in OptaPlanner

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For OptaPlanner (= Drools Planner) 6.0.0.Beta1, I ‘ve replaced the ConstraintOccurrence with the much more elegant ConstraintMatch system. The result is that your score DRL files are: much faster easier to read and write far less error-prone, because they make it a lot harder to cause score corruption Let’s look at the results first, beforeRead more →

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 doRead more →