Package org.drools.planner.core.domain.variable

Examples of org.drools.planner.core.domain.variable.PlanningVariableDescriptor

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    // Cache lifecycle methods
    // ************************************************************************

    public void constructCache(DefaultSolverScope solverScope) {
        ScoreDirector scoreDirector = solverScope.getScoreDirector();
        PlanningVariableDescriptor variableDescriptor = valueSelector.getVariableDescriptor();
        Class<?> entityClass = variableDescriptor.getPlanningEntityDescriptor().getPlanningEntityClass();
        long valueSize = valueSelector.getSize();
        // Fail-fast when anchorTrailingChainSize could ever be too big
        if (valueSize > (long) Integer.MAX_VALUE) {
            throw new IllegalStateException("The selector (" + this
                    + ") has a valueSelector (" + valueSelector
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    private void insertInTrailingEntityMap(Object entity) {
        if (hasChainedVariables) {
            for (Map.Entry<PlanningVariableDescriptor, Map<Object, List<Object>>> entry
                    : chainedVariableToTrailingEntitiesMap.entrySet()) {
                PlanningVariableDescriptor variableDescriptor = entry.getKey();
                if (variableDescriptor.getPlanningEntityDescriptor().appliesToPlanningEntity(entity)) {
                    Object value = variableDescriptor.getValue(entity);
                    Map<Object, List<Object>> valueToTrailingEntityMap = entry.getValue();
                    List<Object> trailingEntities = valueToTrailingEntityMap.get(value);
                    if (trailingEntities == null) {
                        trailingEntities = new ArrayList<Object>();
                        valueToTrailingEntityMap.put(value, trailingEntities);
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    private void retractFromTrailingEntityMap(Object entity) {
        if (hasChainedVariables) {
            for (Map.Entry<PlanningVariableDescriptor, Map<Object, List<Object>>> entry
                    : chainedVariableToTrailingEntitiesMap.entrySet()) {
                PlanningVariableDescriptor variableDescriptor = entry.getKey();
                if (variableDescriptor.getPlanningEntityDescriptor().appliesToPlanningEntity(entity)) {
                    Object value = variableDescriptor.getValue(entity);
                    Map<Object, List<Object>> valueToTrailingEntityMap = entry.getValue();
                    List<Object> trailingEntities = valueToTrailingEntityMap.get(value);
                    boolean removeSucceeded = trailingEntities.remove(entity);
                    if (!removeSucceeded) {
                        throw new IllegalStateException("The ScoreDirector (" + getClass() + ") is corrupted.");
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                if (propertyDescriptor.getWriteMethod() == null) {
                    throw new IllegalStateException("The planningEntityClass (" + planningEntityClass
                            + ") has a PlanningVariable annotated property (" + propertyDescriptor.getName()
                            + ") that should have a setter.");
                }
                PlanningVariableDescriptor planningVariableDescriptor = new PlanningVariableDescriptor(
                        this, propertyDescriptor);
                planningVariableDescriptorMap.put(propertyDescriptor.getName(), planningVariableDescriptor);
                planningVariableDescriptor.processAnnotations();
            }
        }
        dependentPlanningVariableDescriptorMap = new LinkedHashMap<String, DependentPlanningVariableDescriptor>(
                mapSize);
        for (PropertyDescriptor propertyDescriptor : propertyDescriptors) {
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     * @return never null
     */
    public ValueSelector buildValueSelector(EnvironmentMode environmentMode,
            SolutionDescriptor solutionDescriptor, PlanningEntityDescriptor entityDescriptor,
            SelectionCacheType minimumCacheType, SelectionOrder inheritedSelectionOrder) {
        PlanningVariableDescriptor variableDescriptor = fetchVariableDescriptor(entityDescriptor);
        SelectionCacheType resolvedCacheType = SelectionCacheType.resolve(cacheType, minimumCacheType);
        minimumCacheType = SelectionCacheType.max(minimumCacheType, resolvedCacheType);
        SelectionOrder resolvedSelectionOrder = SelectionOrder.resolve(selectionOrder,
                inheritedSelectionOrder);

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        }
        return valueSelector;
    }

    private PlanningVariableDescriptor fetchVariableDescriptor(PlanningEntityDescriptor entityDescriptor) {
        PlanningVariableDescriptor variableDescriptor;
        if (planningVariableName != null) {
            variableDescriptor = entityDescriptor.getPlanningVariableDescriptor(planningVariableName);
            if (variableDescriptor == null) {
                throw new IllegalArgumentException("The valueSelectorConfig (" + this
                        + ") has a planningVariableName ("
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    public ChangeMoveSelector(EntitySelector entitySelector, ValueSelector valueSelector,
            boolean randomSelection) {
        this.entitySelector = entitySelector;
        this.valueSelector = valueSelector;
        this.randomSelection = randomSelection;
        PlanningVariableDescriptor variableDescriptor = valueSelector.getVariableDescriptor();
        chained = variableDescriptor.isChained();
        solverPhaseLifecycleSupport.addEventListener(entitySelector);
        solverPhaseLifecycleSupport.addEventListener(valueSelector);
    }
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        TestdataChainedAnchor b0 = new TestdataChainedAnchor("b0");
        TestdataChainedEntity b1 = new TestdataChainedEntity("b1");
        b1.setChainedObject(b0);

        PlanningEntityDescriptor entityDescriptor = TestdataChainedEntity.buildEntityDescriptor();
        PlanningVariableDescriptor variableDescriptor = entityDescriptor.getPlanningVariableDescriptor("chainedObject");
        ScoreDirector scoreDirector = mock(ScoreDirector.class);

        GenericChainedChangeMove move = new GenericChainedChangeMove(a3, variableDescriptor, b1, null, null);
        move.doMove(scoreDirector);
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        TestdataChainedAnchor b0 = new TestdataChainedAnchor("b0");
        TestdataChainedEntity b1 = new TestdataChainedEntity("b1");
        b1.setChainedObject(b0);

        PlanningEntityDescriptor entityDescriptor = TestdataChainedEntity.buildEntityDescriptor();
        PlanningVariableDescriptor variableDescriptor = entityDescriptor.getPlanningVariableDescriptor("chainedObject");
        ScoreDirector scoreDirector = mock(ScoreDirector.class);

        GenericChainedChangeMove move = new GenericChainedChangeMove(a2, variableDescriptor, b0, a3, b1);
        move.doMove(scoreDirector);
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        TestdataChainedAnchor b0 = new TestdataChainedAnchor("b0");
        TestdataChainedEntity b1 = new TestdataChainedEntity("b1");
        b1.setChainedObject(b0);

        PlanningEntityDescriptor entityDescriptor = TestdataChainedEntity.buildEntityDescriptor();
        PlanningVariableDescriptor variableDescriptor = entityDescriptor.getPlanningVariableDescriptor("chainedObject");
        ScoreDirector scoreDirector = mock(ScoreDirector.class);

        List<Object> entitiesSubChain = new ArrayList<Object>();
        entitiesSubChain.add(a3);
        entitiesSubChain.add(a4);
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Related Classes of org.drools.planner.core.domain.variable.PlanningVariableDescriptor

  • org.drools.planner.api.domain.variable.PlanningValueStrengthWeightFactory
  • org.drools.planner.api.domain.variable.PlanningVariable
  • org.drools.planner.api.domain.variable.ValueRange
  • org.drools.planner.api.domain.variable.ValueRanges
  • org.drools.planner.config.heuristic.selector.value.ValueSelectorConfig
  • org.drools.planner.core.constructionheuristic.greedyFit.GreedyFitStepScope
  • org.drools.planner.core.domain.entity.PlanningEntityDescriptor
  • org.drools.planner.core.heuristic.selector.entity.decorator.NullValueUninitializedEntityFilter
  • org.drools.planner.core.heuristic.selector.entity.pillar.SameValuePillarSelectorTest
  • org.drools.planner.core.heuristic.selector.move.generic.chained.ChainedChangeMoveTest
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