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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"?>
<plannerBenchmark>
  <benchmarkDirectory>local/data/general</benchmarkDirectory>
  <warmUpSecondsSpend>30</warmUpSecondsSpend>

  <inheritedSolverBenchmark>
    <problemBenchmarks>
      <problemStatisticType>BEST_SOLUTION_CHANGED</problemStatisticType>
    </problemBenchmarks>
  </inheritedSolverBenchmark>
  <solverBenchmark>
    <name>travelingtournament_tabuSearch</name>
    <problemBenchmarks>
      <xstreamAnnotatedClass>org.drools.planner.examples.travelingtournament.domain.TravelingTournament</xstreamAnnotatedClass>
      <inputSolutionFile>data/travelingtournament/smart/unsolved/1-nl14.xml</inputSolutionFile>
    </problemBenchmarks>
    <solver>
      <solutionClass>org.drools.planner.examples.travelingtournament.domain.TravelingTournament</solutionClass>
      <planningEntityClass>org.drools.planner.examples.travelingtournament.domain.Match</planningEntityClass>
      <scoreDirectorFactory>
        <scoreDefinitionType>HARD_AND_SOFT</scoreDefinitionType>
        <scoreDrl>/org/drools/planner/examples/travelingtournament/solver/smart/smartTravelingTournamentScoreRules.drl</scoreDrl>
      </scoreDirectorFactory>
      <termination>
        <maximumMinutesSpend>5</maximumMinutesSpend>
      </termination>
      <localSearch>
        <unionMoveSelector>
          <moveListFactory>
            <cacheType>PHASE</cacheType>
            <selectionOrder>SHUFFLED</selectionOrder>
            <moveListFactoryClass>org.drools.planner.examples.travelingtournament.solver.smart.move.factory.MatchSwapMoveFactory</moveListFactoryClass>
          </moveListFactory>
          <moveListFactory>
            <cacheType>STEP</cacheType>
            <selectionOrder>SHUFFLED</selectionOrder>
            <moveListFactoryClass>org.drools.planner.examples.travelingtournament.solver.smart.move.factory.SmartTravelingTournamentMoveFactory</moveListFactoryClass>
          </moveListFactory>
        </unionMoveSelector>
        <acceptor>
          <solutionTabuSize>1500</solutionTabuSize>
          <moveTabuSize>7</moveTabuSize>
        </acceptor>
        <forager>
          <!-- Real world problems require to use of <minimalAcceptedSelection> -->
        </forager>
      </localSearch>
    </solver>
  </solverBenchmark>
  <solverBenchmark>
    <name>curriculumcourse_tabuSearch</name>
    <problemBenchmarks>
      <xstreamAnnotatedClass>org.drools.planner.examples.curriculumcourse.domain.CurriculumCourseSchedule</xstreamAnnotatedClass>
      <inputSolutionFile>data/curriculumcourse/unsolved/comp08.xml</inputSolutionFile>
      <problemStatisticType>BEST_SOLUTION_CHANGED</problemStatisticType>
    </problemBenchmarks>
    <solver>
      <solutionClass>org.drools.planner.examples.curriculumcourse.domain.CurriculumCourseSchedule</solutionClass>
      <planningEntityClass>org.drools.planner.examples.curriculumcourse.domain.Lecture</planningEntityClass>
      <scoreDirectorFactory>
        <scoreDefinitionType>HARD_AND_SOFT</scoreDefinitionType>
        <scoreDrl>/org/drools/planner/examples/curriculumcourse/solver/curriculumCourseScoreRules.drl</scoreDrl>
      </scoreDirectorFactory>
      <termination>
        <maximumMinutesSpend>10</maximumMinutesSpend>
      </termination>
      <constructionHeuristic>
        <constructionHeuristicType>FIRST_FIT_DECREASING</constructionHeuristicType>
        <constructionHeuristicPickEarlyType>FIRST_LAST_STEP_SCORE_EQUAL_OR_IMPROVING</constructionHeuristicPickEarlyType>
      </constructionHeuristic>
      <localSearch>
        <unionMoveSelector>
          <moveListFactory>
            <cacheType>PHASE</cacheType>
            <moveListFactoryClass>org.drools.planner.examples.curriculumcourse.solver.move.factory.PeriodChangeMoveFactory</moveListFactoryClass>
          </moveListFactory>
          <moveListFactory>
            <cacheType>PHASE</cacheType>
            <moveListFactoryClass>org.drools.planner.examples.curriculumcourse.solver.move.factory.RoomChangeMoveFactory</moveListFactoryClass>
          </moveListFactory>
          <moveListFactory>
            <cacheType>PHASE</cacheType>
            <moveListFactoryClass>org.drools.planner.examples.curriculumcourse.solver.move.factory.LectureSwapMoveFactory</moveListFactoryClass>
          </moveListFactory>
        </unionMoveSelector>
        <acceptor>
          <planningEntityTabuSize>10</planningEntityTabuSize>
          <solutionTabuSize>1500</solutionTabuSize>
        </acceptor>
        <forager>
          <minimalAcceptedSelection>900</minimalAcceptedSelection><!-- TODO tweak me -->
        </forager>
      </localSearch>
    </solver>
  </solverBenchmark>
  <solverBenchmark>
    <name>examination_tabuSearch</name>
    <problemBenchmarks>
      <xstreamAnnotatedClass>org.drools.planner.examples.examination.domain.Examination</xstreamAnnotatedClass>
      <inputSolutionFile>data/examination/unsolved/exam_comp_set2.xml</inputSolutionFile>
    </problemBenchmarks>
    <solver>
      <solutionClass>org.drools.planner.examples.examination.domain.Examination</solutionClass>
      <planningEntityClass>org.drools.planner.examples.examination.domain.Exam</planningEntityClass>
      <scoreDirectorFactory>
        <scoreDefinitionType>HARD_AND_SOFT</scoreDefinitionType>
        <scoreDrl>/org/drools/planner/examples/examination/solver/examinationScoreRules.drl</scoreDrl>
      </scoreDirectorFactory>
      <termination>
        <maximumMinutesSpend>10</maximumMinutesSpend>
      </termination>
      <customSolverPhase>
        <customSolverPhaseCommandClass>org.drools.planner.examples.examination.solver.solution.initializer.ExaminationSolutionInitializer</customSolverPhaseCommandClass>
      </customSolverPhase>
      <localSearch>
        <unionMoveSelector>
          <moveListFactory>
            <cacheType>PHASE</cacheType>
            <moveListFactoryClass>org.drools.planner.examples.examination.solver.move.factory.PeriodChangeMoveFactory</moveListFactoryClass>
          </moveListFactory>
          <moveListFactory>
            <cacheType>PHASE</cacheType>
            <moveListFactoryClass>org.drools.planner.examples.examination.solver.move.factory.RoomChangeMoveFactory</moveListFactoryClass>
          </moveListFactory>
          <moveListFactory>
            <cacheType>PHASE</cacheType>
            <moveListFactoryClass>org.drools.planner.examples.examination.solver.move.factory.ExamSwapMoveFactory</moveListFactoryClass>
          </moveListFactory>
        </unionMoveSelector>
        <acceptor>
          <solutionTabuSize>1000</solutionTabuSize>
          <planningEntityTabuSize>10</planningEntityTabuSize>
        </acceptor>
        <forager>
          <minimalAcceptedSelection>1400</minimalAcceptedSelection>
        </forager>
      </localSearch>
    </solver>
  </solverBenchmark>
  <solverBenchmark>
    <name>pas_tabuSearch</name>
    <problemBenchmarks>
      <xstreamAnnotatedClass>org.drools.planner.examples.pas.domain.PatientAdmissionSchedule</xstreamAnnotatedClass>
      <inputSolutionFile>data/pas/unsolved/testdata01.xml</inputSolutionFile>
    </problemBenchmarks>
    <solver>
      <solutionClass>org.drools.planner.examples.pas.domain.PatientAdmissionSchedule</solutionClass>
      <planningEntityClass>org.drools.planner.examples.pas.domain.BedDesignation</planningEntityClass>
      <scoreDirectorFactory>
        <scoreDefinitionType>HARD_AND_SOFT</scoreDefinitionType>
        <scoreDrl>/org/drools/planner/examples/pas/solver/patientAdmissionScheduleBaseScoreRules.drl</scoreDrl>
      </scoreDirectorFactory>
      <termination>
        <maximumMinutesSpend>5</maximumMinutesSpend>
      </termination>
      <customSolverPhase>
        <customSolverPhaseCommandClass>org.drools.planner.examples.pas.solver.solution.initializer.PatientAdmissionScheduleSolutionInitializer</customSolverPhaseCommandClass>
      </customSolverPhase>
      <localSearch>
        <moveListFactory>
          <moveListFactoryClass>org.drools.planner.examples.pas.solver.move.factory.BedDesignationPillarPartSwapMoveFactory</moveListFactoryClass>
        </moveListFactory>
        <acceptor>
          <solutionTabuSize>1000</solutionTabuSize>
          <undoMoveTabuSize>3</undoMoveTabuSize>
        </acceptor>
        <forager>
          <minimalAcceptedSelection>500</minimalAcceptedSelection>
        </forager>
      </localSearch>
    </solver>
  </solverBenchmark>
  <solverBenchmark>
    <name>nurseRostering_tabuSearch</name>
    <problemBenchmarks>
      <xstreamAnnotatedClass>org.drools.planner.examples.nurserostering.domain.NurseRoster</xstreamAnnotatedClass>
      <inputSolutionFile>data/nurserostering/unsolved/medium01.xml</inputSolutionFile>
    </problemBenchmarks>
    <solver>
      <solutionClass>org.drools.planner.examples.nurserostering.domain.NurseRoster</solutionClass>
      <planningEntityClass>org.drools.planner.examples.nurserostering.domain.ShiftAssignment</planningEntityClass>
      <scoreDirectorFactory>
        <scoreDefinitionType>HARD_AND_SOFT</scoreDefinitionType>
        <scoreDrl>/org/drools/planner/examples/nurserostering/solver/nurseRosteringScoreRules.drl</scoreDrl>
      </scoreDirectorFactory>
      <termination>
        <maximumMinutesSpend>10</maximumMinutesSpend>
      </termination>
      <constructionHeuristic>
        <constructionHeuristicType>BEST_FIT</constructionHeuristicType>
      </constructionHeuristic>
      <localSearch>
        <unionMoveSelector>
          <moveListFactory>
            <cacheType>PHASE</cacheType>
            <moveListFactoryClass>org.drools.planner.examples.nurserostering.solver.move.factory.EmployeeChangeMoveFactory</moveListFactoryClass>
          </moveListFactory>
          <moveListFactory>
            <cacheType>PHASE</cacheType>
            <moveListFactoryClass>org.drools.planner.examples.nurserostering.solver.move.factory.ShiftAssignmentSwapMoveFactory</moveListFactoryClass>
          </moveListFactory>
          <moveListFactory>
            <cacheType>STEP</cacheType>
            <moveListFactoryClass>org.drools.planner.examples.nurserostering.solver.move.factory.ShiftAssignmentPillarPartSwapMoveFactory</moveListFactoryClass>
          </moveListFactory>
        </unionMoveSelector>
        <acceptor>
          <solutionTabuSize>1000</solutionTabuSize>
          <planningEntityTabuSize>11</planningEntityTabuSize>
        </acceptor>
        <forager>
          <minimalAcceptedSelection>800</minimalAcceptedSelection>
        </forager>
      </localSearch>
    </solver>
  </solverBenchmark>
  <solverBenchmark>
    <name>nurseRostering_simulatedAnnealing</name>
    <problemBenchmarks>
      <xstreamAnnotatedClass>org.drools.planner.examples.nurserostering.domain.NurseRoster</xstreamAnnotatedClass>
      <inputSolutionFile>data/nurserostering/unsolved/medium01.xml</inputSolutionFile>
    </problemBenchmarks>
    <solver>
      <solutionClass>org.drools.planner.examples.nurserostering.domain.NurseRoster</solutionClass>
      <planningEntityClass>org.drools.planner.examples.nurserostering.domain.ShiftAssignment</planningEntityClass>
      <scoreDirectorFactory>
        <scoreDefinitionType>HARD_AND_SOFT</scoreDefinitionType>
        <scoreDrl>/org/drools/planner/examples/nurserostering/solver/nurseRosteringScoreRules.drl</scoreDrl>
      </scoreDirectorFactory>
      <termination>
        <maximumMinutesSpend>10</maximumMinutesSpend>
      </termination>
      <constructionHeuristic>
        <constructionHeuristicType>BEST_FIT</constructionHeuristicType>
      </constructionHeuristic>
      <localSearch>
        <unionMoveSelector>
          <moveListFactory>
            <cacheType>PHASE</cacheType>
            <moveListFactoryClass>org.drools.planner.examples.nurserostering.solver.move.factory.EmployeeChangeMoveFactory</moveListFactoryClass>
          </moveListFactory>
          <moveListFactory>
            <cacheType>PHASE</cacheType>
            <moveListFactoryClass>org.drools.planner.examples.nurserostering.solver.move.factory.ShiftAssignmentSwapMoveFactory</moveListFactoryClass>
          </moveListFactory>
          <moveListFactory>
            <cacheType>STEP</cacheType>
            <moveListFactoryClass>org.drools.planner.examples.nurserostering.solver.move.factory.ShiftAssignmentPillarPartSwapMoveFactory</moveListFactoryClass>
          </moveListFactory>
        </unionMoveSelector>
        <acceptor>
          <simulatedAnnealingStartingTemperature>0hard/8soft</simulatedAnnealingStartingTemperature>
          <planningEntityTabuSize>5</planningEntityTabuSize>
        </acceptor>
        <forager>
          <!--<pickEarlyType>FIRST_BEST_SCORE_IMPROVING</pickEarlyType>-->
          <minimalAcceptedSelection>4</minimalAcceptedSelection>
        </forager>
      </localSearch>
    </solver>
  </solverBenchmark>
</plannerBenchmark>




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