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Drools Planner optimizes automated planning by combining metaheuristic search algorithms with rule engine powered score calculation. This is the drools-planner-examples module which contains examples on how to use Drools Planner.

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<?xml version="1.0" encoding="UTF-8"?>
<solver>
  <!--<environmentMode>DEBUG</environmentMode>-->
  <scoreDrl>/org/drools/planner/examples/nurserostering/solver/nurseRosteringScoreRules.drl</scoreDrl>
  <solutionClass>org.drools.planner.examples.nurserostering.domain.NurseRoster</solutionClass>
  <planningEntityClass>org.drools.planner.examples.nurserostering.domain.Assignment</planningEntityClass>
  <scoreDefinition>
    <scoreDefinitionType>HARD_AND_SOFT</scoreDefinitionType>
  </scoreDefinition>
  <termination>
    <!--
      Official benchmark maximumSecondsSpend allowed on:
      - ge0ffrey's main pc: sprint 11, medium 700, long 42000
    -->
    <maximumSecondsSpend>700</maximumSecondsSpend>
    <!--<scoreAttained>-0hard/-999999soft</scoreAttained>-->
    <!--<maximumStepCount>100</maximumStepCount>-->
  </termination>
  <constructionHeuristic>
    <constructionHeuristicType>BEST_FIT</constructionHeuristicType>
  </constructionHeuristic>
  <localSearch>
    <selector>
      <selector>
        <moveFactoryClass>org.drools.planner.examples.nurserostering.solver.move.factory.EmployeeChangeMoveFactory</moveFactoryClass>
      </selector>
      <selector>
        <moveFactoryClass>org.drools.planner.examples.nurserostering.solver.move.factory.AssignmentSwitchMoveFactory</moveFactoryClass>
      </selector>
      <!--<selector>-->
        <!--<moveFactoryClass>org.drools.planner.examples.nurserostering.solver.move.factory.AssignmentSequenceSwitchLength2MoveFactory</moveFactoryClass>-->
      <!--</selector>-->
      <!--<selector>-->
        <!--<moveFactoryClass>org.drools.planner.examples.nurserostering.solver.move.factory.AssignmentSequenceSwitchLength3MoveFactory</moveFactoryClass>-->
      <!--</selector>-->
      <selector>
        <moveFactoryClass>org.drools.planner.examples.nurserostering.solver.move.factory.AssignmentPillarPartSwitchMoveFactory</moveFactoryClass>
      </selector>
    </selector>
    <acceptor>
      <completeSolutionTabuSize>1000</completeSolutionTabuSize>
      <completePropertyTabuSize>7</completePropertyTabuSize>
    </acceptor>
    <forager>
      <minimalAcceptedSelection>800</minimalAcceptedSelection>
    </forager>
  </localSearch>
</solver>