org.drools.planner.examples.curriculumcourse.solver.curriculumCourseSolverConfig.xml Maven / Gradle / Ivy

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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>-->
  <solutionClass>org.drools.planner.examples.curriculumcourse.domain.CurriculumCourseSchedule</solutionClass>
  <planningEntityClass>org.drools.planner.examples.curriculumcourse.domain.Lecture</planningEntityClass>
  <scoreDrl>/org/drools/planner/examples/curriculumcourse/solver/curriculumCourseScoreRules.drl</scoreDrl>
  <scoreDefinition>
    <scoreDefinitionType>HARD_AND_SOFT</scoreDefinitionType>
  </scoreDefinition>
  <termination>
    <!--
      Official benchmark maximumSecondsSpend allowed on:
      ge0ffrey's main pc: 429
      ge0ffrey's old pc: 1152
    -->
    <maximumSecondsSpend>429</maximumSecondsSpend>
    <!--<scoreAttained>-0hard/-999999soft</scoreAttained>-->
    <!--<maximumStepCount>100</maximumStepCount>-->
  </termination>

  <constructionHeuristic>
    <constructionHeuristicType>BEST_FIT_DECREASING</constructionHeuristicType>
    <!--<constructionHeuristicPickEarlyType>FIRST_LAST_STEP_SCORE_EQUAL_OR_IMPROVING</constructionHeuristicPickEarlyType>-->
  </constructionHeuristic>
  <localSearch>
    <selector>
      <selector>
        <moveFactoryClass>org.drools.planner.examples.curriculumcourse.solver.move.factory.PeriodChangeMoveFactory</moveFactoryClass>
      </selector>
      <selector>
        <moveFactoryClass>org.drools.planner.examples.curriculumcourse.solver.move.factory.RoomChangeMoveFactory</moveFactoryClass>
      </selector>
      <selector>
        <moveFactoryClass>org.drools.planner.examples.curriculumcourse.solver.move.factory.LectureSwitchMoveFactory</moveFactoryClass>
      </selector>
    </selector>
    <acceptor>
      <completePropertyTabuSize>10</completePropertyTabuSize>
      <completeSolutionTabuSize>1500</completeSolutionTabuSize>
    </acceptor>
    <forager>
      <pickEarlyType>NEVER</pickEarlyType>
      <minimalAcceptedSelection>900</minimalAcceptedSelection><!-- TODO tweak me -->
    </forager>
  </localSearch>
</solver>