Re: [rules-users] Drools Planner : multiple planning entities
I forgot about that...
The construction heuristics don't support multiple entity classes yet.
Feel free to create an issue
I plan to do a big refactor & clean up of the construction heuristics code
for 5.5.0.Beta1 or Beta2 to make them more configurable,
support multiple entity classes and better support multiple variables
and huge value ranges.
Meanwhile, either hack the existing code to deal with it (pull requests
welcome)
or instead of using an easy <constructionHeuristic>, write a custom
*SolutionInitializer (see examples, some of them still have one).
Op 03-04-12 18:20, TEddahabi schreef:
Thank you Geoffrey for your quick answer, I did exactly what you
mentioned
but I've got an exception in execution:
Exception in thread "main" java.lang.UnsupportedOperationException:
Currently the greedyFit implementation only supports 1
planningEntityImplementationClass.
at
org.drools.planner.config.constructionheuristic.ConstructionHeuristicSolverPhaseConfig.buildGreedyPlanningEntitySelector(ConstructionHeuristicSolverPhaseConfig.java:103)
at
org.drools.planner.config.constructionheuristic.ConstructionHeuristicSolverPhaseConfig.buildSolverPhase(ConstructionHeuristicSolverPhaseConfig.java:79)
at
org.drools.planner.config.constructionheuristic.ConstructionHeuristicSolverPhaseConfig.buildSolverPhase(ConstructionHeuristicSolverPhaseConfig.java:44)
at
org.drools.planner.config.solver.SolverConfig.buildSolver(SolverConfig.java:184)
at
org.drools.planner.config.XmlSolverConfigurer.buildSolver(XmlSolverConfigurer.java:103)
Have you an idea about the reason behind this exception ?
Thank you !!
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With kind regards,
Geoffrey De Smet