[jboss-jira] [JBoss JIRA] Created: (JBRULES-2911) Planner: simulated annealing should work for planning problems with many hard constraints broken

[Geoffrey De Smet (JIRA)]

Planner: simulated annealing should work for planning problems with many hard constraints broken
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                 Key: JBRULES-2911
                 URL: https://issues.jboss.org/browse/JBRULES-2911
             Project: Drools
          Issue Type: Enhancement
      Security Level: Public (Everyone can see)
          Components: drools-planner
            Reporter: Geoffrey De Smet
            Assignee: Geoffrey De Smet
            Priority: Minor
             Fix For: 5.2.0.M2


This code is bad in SimulatedAnnealingAcceptor:


        // TODO don't abuse translateScoreToGraphValue
        // TODO do hard and soft separately and then average their acceptChance
        Double diff = localSearchSolverScope.getScoreDefinition().translateScoreToGraphValue(scoreDifference);
        if (diff == null) {
            // more hard constraints broken, ignore it for now
            return 0.0;
        }

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