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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"?>
<solverBenchmarkSuite>
  <benchmarkDirectory>local/data/nurserostering</benchmarkDirectory>
  <solverStatisticType>BEST_SOLUTION_CHANGED</solverStatisticType>
  <warmUpSecondsSpend>30</warmUpSecondsSpend>

  <inheritedSolverBenchmark>
    <unsolvedSolutionFile>data/nurserostering/unsolved/long01.xml</unsolvedSolutionFile>
    <unsolvedSolutionFile>data/nurserostering/unsolved/long02.xml</unsolvedSolutionFile>
    <!--<unsolvedSolutionFile>data/nurserostering/unsolved/long03.xml</unsolvedSolutionFile>-->
    <!--<unsolvedSolutionFile>data/nurserostering/unsolved/long04.xml</unsolvedSolutionFile>-->
    <!--<unsolvedSolutionFile>data/nurserostering/unsolved/long05.xml</unsolvedSolutionFile>-->
    <unsolvedSolutionFile>data/nurserostering/unsolved/long_hint01.xml</unsolvedSolutionFile>
    <unsolvedSolutionFile>data/nurserostering/unsolved/long_hint02.xml</unsolvedSolutionFile>
    <!--<unsolvedSolutionFile>data/nurserostering/unsolved/long_hint03.xml</unsolvedSolutionFile>-->
    <!--<unsolvedSolutionFile>data/nurserostering/unsolved/long_late01.xml</unsolvedSolutionFile>-->
    <!--<unsolvedSolutionFile>data/nurserostering/unsolved/long_late02.xml</unsolvedSolutionFile>-->
    <!--<unsolvedSolutionFile>data/nurserostering/unsolved/long_late03.xml</unsolvedSolutionFile>-->
    <!--<unsolvedSolutionFile>data/nurserostering/unsolved/long_late04.xml</unsolvedSolutionFile>-->
    <!--<unsolvedSolutionFile>data/nurserostering/unsolved/long_late05.xml</unsolvedSolutionFile>-->

    <solver>
      <solutionClass>org.drools.planner.examples.nurserostering.domain.NurseRoster</solutionClass>
      <planningEntityClass>org.drools.planner.examples.nurserostering.domain.ShiftAssignment</planningEntityClass>
      <scoreDrl>/org/drools/planner/examples/nurserostering/solver/nurseRosteringScoreRules.drl</scoreDrl>
      <scoreDefinition>
        <scoreDefinitionType>HARD_AND_SOFT</scoreDefinitionType>
      </scoreDefinition>
      <termination>
        <!--
          Official benchmark maximumSecondsSpend allowed on:
          - ge0ffrey's main pc: sprint 11, medium 700, long 42000
        -->
        <maximumSecondsSpend>42000</maximumSecondsSpend>
      </termination>
      <constructionHeuristic>
        <constructionHeuristicType>BEST_FIT</constructionHeuristicType>
      </constructionHeuristic>
    </solver>
  </inheritedSolverBenchmark>

  <solverBenchmark>
    <name>absolute300SeqLength2and3PillarPart</name>
    <solver>
      <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.ShiftAssignmentSwitchMoveFactory</moveFactoryClass>
          </selector>
          <selector>
            <moveFactoryClass>org.drools.planner.examples.nurserostering.solver.move.factory.ShiftAssignmentSequenceSwitchLength2MoveFactory</moveFactoryClass>
          </selector>
          <selector>
            <moveFactoryClass>org.drools.planner.examples.nurserostering.solver.move.factory.ShiftAssignmentSequenceSwitchLength3MoveFactory</moveFactoryClass>
          </selector>
          <selector>
            <moveFactoryClass>org.drools.planner.examples.nurserostering.solver.move.factory.ShiftAssignmentPillarPartSwitchMoveFactory</moveFactoryClass>
          </selector>
        </selector>
        <acceptor>
          <completeSolutionTabuSize>1000</completeSolutionTabuSize>
          <completePropertyTabuSize>11</completePropertyTabuSize>
        </acceptor>
        <forager>
          <pickEarlyType>NEVER</pickEarlyType>
          <minimalAcceptedSelection>1100</minimalAcceptedSelection>
        </forager>
      </localSearch>
    </solver>
  </solverBenchmark>
</solverBenchmarkSuite>