timefold-solver-benchmarks/src/main/resources/ai/timefold/solver/benchmarks/examples/examination/examinationSolverConfig.xml at de682027df9372ea83d4eb5c7d8d3def235daa7a · TimefoldAI/timefold-solver-benchmarks · GitHub

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<?xml version="1.0" encoding="UTF-8"?>
<solver xmlns="https://timefold.ai/xsd/solver" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="https://timefold.ai/xsd/solver https://timefold.ai/xsd/solver/solver.xsd">
    <!-- To slowly prove there are no bugs in this code -->
    <!--<environmentMode>FULL_ASSERT</environmentMode>-->
    <!-- To solve faster by saturating multiple CPU cores -->
    <!--<moveThreadCount>AUTO</moveThreadCount>-->
    <enablePreviewFeature>DECLARATIVE_SHADOW_VARIABLES</enablePreviewFeature>
    <solutionClass>ai.timefold.solver.benchmarks.examples.examination.domain.Examination</solutionClass>
    <entityClass>ai.timefold.solver.benchmarks.examples.examination.domain.Exam</entityClass>
    <entityClass>ai.timefold.solver.benchmarks.examples.examination.domain.LeadingExam</entityClass>
    <entityClass>ai.timefold.solver.benchmarks.examples.examination.domain.FollowingExam</entityClass>

    <scoreDirectorFactory>
        <constraintProviderClass>
            ai.timefold.solver.benchmarks.examples.examination.score.ExaminationConstraintProvider
        </constraintProviderClass>
        <initializingScoreTrend>ONLY_DOWN</initializingScoreTrend>
    </scoreDirectorFactory>

    <termination>
        <minutesSpentLimit>5</minutesSpentLimit>
    </termination>
    <constructionHeuristic>
        <queuedEntityPlacer>
            <entitySelector id="placerEntitySelector">
                <entityClass>ai.timefold.solver.benchmarks.examples.examination.domain.Exam</entityClass>
                <cacheType>PHASE</cacheType>
                <selectionOrder>SORTED</selectionOrder>
                <sorterManner>DECREASING_DIFFICULTY</sorterManner>
            </entitySelector>
            <cartesianProductMoveSelector>
                <changeMoveSelector>
                    <entitySelector mimicSelectorRef="placerEntitySelector"/>
                    <valueSelector variableName="period">
                        <downcastEntityClass>ai.timefold.solver.benchmarks.examples.examination.domain.LeadingExam
                        </downcastEntityClass>
                        <cacheType>PHASE</cacheType>
                        <!--<selectionOrder>SORTED</selectionOrder>-->
                        <!--<sorterManner>INCREASING_STRENGTH</sorterManner>-->
                    </valueSelector>
                </changeMoveSelector>
                <changeMoveSelector>
                    <entitySelector mimicSelectorRef="placerEntitySelector"/>
                    <valueSelector variableName="room">
                        <cacheType>PHASE</cacheType>
                        <selectionOrder>SORTED</selectionOrder>
                        <sorterManner>INCREASING_STRENGTH</sorterManner>
                    </valueSelector>
                </changeMoveSelector>
            </cartesianProductMoveSelector>
        </queuedEntityPlacer>
    </constructionHeuristic>
    <localSearch>
        <unionMoveSelector>
            <cartesianProductMoveSelector>
                <changeMoveSelector>
                    <entitySelector id="cartesianProductEntitySelector">
                        <entityClass>ai.timefold.solver.benchmarks.examples.examination.domain.Exam</entityClass>
                    </entitySelector>
                    <valueSelector variableName="room"/>
                </changeMoveSelector>
                <changeMoveSelector>
                    <entitySelector mimicSelectorRef="cartesianProductEntitySelector"/>
                    <valueSelector variableName="period">
                        <downcastEntityClass>ai.timefold.solver.benchmarks.examples.examination.domain.LeadingExam
                        </downcastEntityClass>
                    </valueSelector>
                </changeMoveSelector>
            </cartesianProductMoveSelector>
            <swapMoveSelector>
                <entitySelector>
                    <entityClass>ai.timefold.solver.benchmarks.examples.examination.domain.LeadingExam</entityClass>
                </entitySelector>
            </swapMoveSelector>
        </unionMoveSelector>
        <acceptor>
            <entityTabuSize>10</entityTabuSize>
        </acceptor>
        <forager>
            <acceptedCountLimit>2000</acceptedCountLimit>
        </forager>
    </localSearch>
</solver>