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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/general</benchmarkDirectory>
  <solverStatisticType>BEST_SOLUTION_CHANGED</solverStatisticType>
  <warmUpSecondsSpend>30</warmUpSecondsSpend>

  <solverBenchmark>
    <name>travelingtournament_tabuSearch</name>
    <unsolvedSolutionFile>data/travelingtournament/smart/unsolved/1-nl14.xml</unsolvedSolutionFile>
    <solver>
      <solutionClass>org.drools.planner.examples.travelingtournament.domain.TravelingTournament</solutionClass>
      <planningEntityClass>org.drools.planner.examples.travelingtournament.domain.Match</planningEntityClass>
      <scoreDrl>/org/drools/planner/examples/travelingtournament/solver/smart/smartTravelingTournamentScoreRules.drl</scoreDrl>
      <scoreDefinition>
        <scoreDefinitionType>HARD_AND_SOFT</scoreDefinitionType>
      </scoreDefinition>
      <termination>
        <maximumMinutesSpend>5</maximumMinutesSpend>
      </termination>
      <localSearch>
        <selector>
          <moveFactoryClass>org.drools.planner.examples.travelingtournament.solver.smart.move.factory.SmartTravelingTournamentMoveFactory</moveFactoryClass>
        </selector>
        <acceptor>
          <completeSolutionTabuSize>1500</completeSolutionTabuSize>
          <completeMoveTabuSize>7</completeMoveTabuSize>
        </acceptor>
        <forager>
          <pickEarlyType>NEVER</pickEarlyType>
          <!-- Real world problems require to use of <minimalAcceptedSelection> -->
        </forager>
      </localSearch>
    </solver>
  </solverBenchmark>
  <!-- TODO crashes loading of xstream file because Day is not unique -->
  <!--<solverBenchmark>-->
    <!--<name>curriculumcourse_tabuSearch</name>-->
    <!--<unsolvedSolutionFile>data/curriculumcourse/unsolved/comp08.xml</unsolvedSolutionFile>-->
    <!-- ... -->
  <!--</solverBenchmark>-->
  <solverBenchmark>
    <name>examination_tabuSearch</name>
    <unsolvedSolutionFile>data/examination/unsolved/exam_comp_set2.xml</unsolvedSolutionFile>
    <solver>
      <solutionClass>org.drools.planner.examples.examination.domain.Examination</solutionClass>
      <planningEntityClass>org.drools.planner.examples.examination.domain.Exam</planningEntityClass>
      <scoreDrl>/org/drools/planner/examples/examination/solver/examinationScoreRules.drl</scoreDrl>
      <scoreDefinition>
        <scoreDefinitionType>HARD_AND_SOFT</scoreDefinitionType>
      </scoreDefinition>
      <termination>
        <maximumMinutesSpend>10</maximumMinutesSpend>
      </termination>
      <customSolverPhase>
        <customSolverPhaseCommandClass>org.drools.planner.examples.examination.solver.solution.initializer.ExaminationStartingSolutionInitializer</customSolverPhaseCommandClass>
      </customSolverPhase>
      <localSearch>
        <selector>
          <selector>
            <moveFactoryClass>org.drools.planner.examples.examination.solver.move.factory.PeriodChangeMoveFactory</moveFactoryClass>
          </selector>
          <selector>
            <moveFactoryClass>org.drools.planner.examples.examination.solver.move.factory.RoomChangeMoveFactory</moveFactoryClass>
          </selector>
          <selector>
            <moveFactoryClass>org.drools.planner.examples.examination.solver.move.factory.ExamSwitchMoveFactory</moveFactoryClass>
          </selector>
        </selector>
        <acceptor>
          <completeSolutionTabuSize>1000</completeSolutionTabuSize>
          <completePropertyTabuSize>10</completePropertyTabuSize>
        </acceptor>
        <forager>
          <pickEarlyType>NEVER</pickEarlyType>
          <minimalAcceptedSelection>1400</minimalAcceptedSelection>
        </forager>
      </localSearch>
    </solver>
  </solverBenchmark>
  <!-- TODO crashes loading of xstream file because Room is not unique -->
  <!--<solverBenchmark>-->
    <!--<name>pas_tabuSearch</name>-->
    <!--<unsolvedSolutionFile>data/pas/unsolved/testdata01.xml</unsolvedSolutionFile>-->
    <!--<solver>-->
      <!--<solutionClass>org.drools.planner.examples.pas.domain.PatientAdmissionSchedule</solutionClass>-->
      <!--<planningEntityClass>org.drools.planner.examples.pas.domain.BedDesignation</planningEntityClass>-->
      <!--<scoreDrl>/org/drools/planner/examples/pas/solver/patientAdmissionScheduleBaseScoreRules.drl</scoreDrl>-->
      <!--<scoreDefinition>-->
        <!--<scoreDefinitionType>HARD_AND_SOFT</scoreDefinitionType>-->
      <!--</scoreDefinition>-->
      <!--<termination>-->
        <!--<maximumMinutesSpend>5</maximumMinutesSpend>-->
      <!--</termination>-->
      <!--<customSolverPhase>-->
        <!--<customSolverPhaseCommandClass>org.drools.planner.examples.pas.solver.solution.initializer.PatientAdmissionScheduleStartingSolutionInitializer</customSolverPhaseCommandClass>-->
      <!--</customSolverPhase>-->
      <!--<localSearch>-->
        <!--<selector>-->
          <!--<selector>-->
            <!--<moveFactoryClass>org.drools.planner.examples.pas.solver.move.factory.BedDesignationPillarPartSwitchMoveFactory</moveFactoryClass>-->
          <!--</selector>-->
        <!--</selector>-->
        <!--<acceptor>-->
          <!--<completeSolutionTabuSize>1000</completeSolutionTabuSize>-->
          <!--<completeUndoMoveTabuSize>3</completeUndoMoveTabuSize>-->
        <!--</acceptor>-->
        <!--<forager>-->
          <!--<pickEarlyType>NEVER</pickEarlyType>-->
          <!--<minimalAcceptedSelection>500</minimalAcceptedSelection>-->
        <!--</forager>-->
      <!--</localSearch>-->
    <!--</solver>-->
  <!--</solverBenchmark>-->
  <solverBenchmark>
    <name>nurseRostering_tabuSearch</name>
    <unsolvedSolutionFile>data/nurserostering/unsolved/medium01.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>
        <maximumMinutesSpend>10</maximumMinutesSpend>
      </termination>
      <customSolverPhase>
        <customSolverPhaseCommandClass>org.drools.planner.examples.nurserostering.solver.solution.initializer.NurseRosteringStartingSolutionInitializer</customSolverPhaseCommandClass>
      </customSolverPhase>
      <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.ShiftAssignmentPillarPartSwitchMoveFactory</moveFactoryClass>
          </selector>
        </selector>
        <acceptor>
          <completeSolutionTabuSize>1000</completeSolutionTabuSize>
          <completePropertyTabuSize>11</completePropertyTabuSize>
        </acceptor>
        <forager>
          <minimalAcceptedSelection>800</minimalAcceptedSelection>
        </forager>
      </localSearch>
    </solver>
  </solverBenchmark>
  <solverBenchmark>
    <name>nurseRostering_simulatedAnnealing</name>
    <unsolvedSolutionFile>data/nurserostering/unsolved/medium01.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>
        <maximumMinutesSpend>10</maximumMinutesSpend>
      </termination>
      <customSolverPhase>
        <customSolverPhaseCommandClass>org.drools.planner.examples.nurserostering.solver.solution.initializer.NurseRosteringStartingSolutionInitializer</customSolverPhaseCommandClass>
      </customSolverPhase>
      <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.ShiftAssignmentPillarPartSwitchMoveFactory</moveFactoryClass>
          </selector>
        </selector>
        <acceptor>
          <simulatedAnnealingStartingTemperature>0hard/8soft</simulatedAnnealingStartingTemperature>
          <completePropertyTabuSize>5</completePropertyTabuSize>
        </acceptor>
        <forager>
          <!--<pickEarlyType>FIRST_BEST_SCORE_IMPROVING</pickEarlyType>-->
          <minimalAcceptedSelection>4</minimalAcceptedSelection>
        </forager>
      </localSearch>
    </solver>
  </solverBenchmark>
</solverBenchmarkSuite>




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