Package org.drools.planner.core.heuristic.selector.common

Examples of org.drools.planner.core.heuristic.selector.common.SelectionCacheType

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        return decider;
    }

    private MoveSelector buildMoveSelector(EnvironmentMode environmentMode, SolutionDescriptor solutionDescriptor) {
        MoveSelector moveSelector;
        SelectionCacheType defaultCacheType = SelectionCacheType.JUST_IN_TIME;
        SelectionOrder defaultSelectionOrder = SelectionOrder.RANDOM;
        if (CollectionUtils.isEmpty(moveSelectorConfigList)) {
            // Default to changeMoveSelector and swapMoveSelector
            UnionMoveSelectorConfig unionMoveSelectorConfig = new UnionMoveSelectorConfig();
            unionMoveSelectorConfig.setMoveSelectorConfigList(Arrays.asList(
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     * @param inheritedSelectionOrder never null
     * @return never null
     */
    public MoveSelector buildMoveSelector(EnvironmentMode environmentMode, SolutionDescriptor solutionDescriptor,
            SelectionCacheType minimumCacheType, SelectionOrder inheritedSelectionOrder) {
        SelectionCacheType resolvedCacheType = SelectionCacheType.resolve(cacheType, minimumCacheType);
        minimumCacheType = SelectionCacheType.max(minimumCacheType, resolvedCacheType);
        SelectionOrder resolvedSelectionOrder = SelectionOrder.resolve(selectionOrder, inheritedSelectionOrder);

        // baseMoveSelector and lower should be SelectionOrder.ORIGINAL if they are going to get cached completely
        MoveSelector moveSelector = buildBaseMoveSelector(environmentMode, solutionDescriptor,
                minimumCacheType, resolvedCacheType.isCached() ? SelectionOrder.ORIGINAL : resolvedSelectionOrder);

        boolean alreadyCached = false;
        if (!CollectionUtils.isEmpty(moveFilterClassList)) {
            List<SelectionFilter> moveFilterList = new ArrayList<SelectionFilter>(moveFilterClassList.size());
            for (Class<? extends SelectionFilter> moveFilterClass : moveFilterClassList) {
                moveFilterList.add(ConfigUtils.newInstance(this, "moveFilterClass", moveFilterClass));
            }
            moveSelector = new FilteringMoveSelector(moveSelector, moveFilterList);
            alreadyCached = false;
        }
        // TODO moveSorterClass
        if (moveProbabilityWeightFactoryClass != null) {
            if (resolvedSelectionOrder != SelectionOrder.RANDOM) {
                throw new IllegalArgumentException("The moveSelectorConfig (" + this
                        + ") with moveProbabilityWeightFactoryClass ("
                        + moveProbabilityWeightFactoryClass + ") has a resolvedSelectionOrder ("
                        + resolvedSelectionOrder + ") that is not " + SelectionOrder.RANDOM + ".");
            }
            SelectionProbabilityWeightFactory entityProbabilityWeightFactory = ConfigUtils.newInstance(this,
                    "moveProbabilityWeightFactoryClass", moveProbabilityWeightFactoryClass);
            moveSelector = new ProbabilityMoveSelector(moveSelector,
                    resolvedCacheType, entityProbabilityWeightFactory);
            alreadyCached = true;
        }
        if (resolvedSelectionOrder == SelectionOrder.SHUFFLED) {
            if (resolvedCacheType.isNotCached()) {
                throw new IllegalArgumentException("The moveSelectorConfig (" + this
                        + ") with resolvedSelectionOrder (" + resolvedSelectionOrder
                        + ") has a resolvedCacheType (" + resolvedCacheType + ") that is not cached.");
            }
            moveSelector = new ShufflingMoveSelector(moveSelector, resolvedCacheType);
            alreadyCached = true;
        }
        if (resolvedCacheType.isCached() && !alreadyCached) {
            // TODO this might be pretty pointless for MoveListFactoryConfig, because MoveListFactory caches
            moveSelector = new CachingMoveSelector(moveSelector, resolvedCacheType,
                    resolvedSelectionOrder == SelectionOrder.RANDOM);
        }
        return moveSelector;
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     */
    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);

        // baseValueSelector and lower should be SelectionOrder.ORIGINAL if they are going to get cached completely
        ValueSelector valueSelector = buildBaseValueSelector(environmentMode, variableDescriptor,
                minimumCacheType, resolvedCacheType.isCached() ? SelectionOrder.ORIGINAL : resolvedSelectionOrder);

        boolean alreadyCached = false;
        // TODO filterclass

        if (valueProbabilityWeightFactoryClass != null) {
            if (resolvedSelectionOrder != SelectionOrder.RANDOM) {
                throw new IllegalArgumentException("The valueSelectorConfig (" + this
                        + ") with valueProbabilityWeightFactoryClass ("
                        + valueProbabilityWeightFactoryClass + ") has a non-random resolvedSelectionOrder ("
                        + resolvedSelectionOrder + ").");
            }
            SelectionProbabilityWeightFactory valueProbabilityWeightFactory = ConfigUtils.newInstance(this,
                    "valueProbabilityWeightFactoryClass", valueProbabilityWeightFactoryClass);
            valueSelector = new ProbabilityValueSelector(valueSelector,
                    resolvedCacheType, valueProbabilityWeightFactory);
            alreadyCached = true;
        }
        if (resolvedSelectionOrder == SelectionOrder.SHUFFLED) {
            valueSelector = new ShufflingValueSelector(valueSelector, resolvedCacheType);
            alreadyCached = true;
        }
        if (resolvedCacheType.isCached() && !alreadyCached) {
            // TODO this might be pretty pointless, because FromSolutionPropertyValueSelector caches
            valueSelector = new CachingValueSelector(valueSelector, resolvedCacheType,
                    resolvedSelectionOrder == SelectionOrder.RANDOM);
        }
        return valueSelector;
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     * @return never null
     */
    public EntitySelector buildEntitySelector(EnvironmentMode environmentMode, SolutionDescriptor solutionDescriptor,
            SelectionCacheType minimumCacheType, SelectionOrder inheritedSelectionOrder) {
        PlanningEntityDescriptor entityDescriptor = fetchEntityDescriptor(solutionDescriptor);
        SelectionCacheType resolvedCacheType = SelectionCacheType.resolve(cacheType, minimumCacheType);
        minimumCacheType = SelectionCacheType.max(minimumCacheType, resolvedCacheType);
        SelectionOrder resolvedSelectionOrder = SelectionOrder.resolve(selectionOrder, inheritedSelectionOrder);

        // baseEntitySelector and lower should be SelectionOrder.ORIGINAL if they are going to get cached completely
        EntitySelector entitySelector = buildBaseEntitySelector(environmentMode, entityDescriptor,
                minimumCacheType, resolvedCacheType.isCached() ? SelectionOrder.ORIGINAL : resolvedSelectionOrder);

        boolean alreadyCached = false;
        if (!CollectionUtils.isEmpty(entityFilterClassList)
                || entityDescriptor.hasMovableEntitySelectionFilter()) {
            List<SelectionFilter> entityFilterList = new ArrayList<SelectionFilter>(
                    entityFilterClassList == null ? 1 : entityFilterClassList.size());
            if (entityFilterClassList != null) {
                for (Class<? extends SelectionFilter> entityFilterClass : entityFilterClassList) {
                    entityFilterList.add(ConfigUtils.newInstance(this, "entityFilterClass", entityFilterClass));
                }
            }
            if (entityDescriptor.hasMovableEntitySelectionFilter()) {
                entityFilterList.add(entityDescriptor.getMovableEntitySelectionFilter());
            }
            entitySelector = new FilteringEntitySelector(entitySelector, entityFilterList);
            alreadyCached = false;
        }
        // TODO entitySorterClass
        if (entityProbabilityWeightFactoryClass != null) {
            if (resolvedSelectionOrder != SelectionOrder.RANDOM) {
                throw new IllegalArgumentException("The entitySelectorConfig (" + this
                        + ") with entityProbabilityWeightFactoryClass ("
                        + entityProbabilityWeightFactoryClass + ") has a resolvedSelectionOrder ("
                        + resolvedSelectionOrder + ") that is not " + SelectionOrder.RANDOM + ".");
            }
            SelectionProbabilityWeightFactory entityProbabilityWeightFactory = ConfigUtils.newInstance(this,
                    "entityProbabilityWeightFactoryClass", entityProbabilityWeightFactoryClass);
            entitySelector = new ProbabilityEntitySelector(entitySelector,
                    resolvedCacheType, entityProbabilityWeightFactory);
            alreadyCached = true;
        }
        if (resolvedSelectionOrder == SelectionOrder.SHUFFLED) {
            entitySelector = new ShufflingEntitySelector(entitySelector, resolvedCacheType);
            alreadyCached = true;
        }
        if (resolvedCacheType.isCached() && !alreadyCached) {
            // TODO this might be pretty pointless, because FromSolutionEntitySelector caches
            entitySelector = new CachingEntitySelector(entitySelector, resolvedCacheType,
                    resolvedSelectionOrder == SelectionOrder.RANDOM);
        }
        return entitySelector;
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Related Classes of org.drools.planner.core.heuristic.selector.common.SelectionCacheType

  • org.drools.planner.config.heuristic.selector.entity.EntitySelectorConfig
  • org.drools.planner.config.heuristic.selector.move.MoveSelectorConfig
  • org.drools.planner.config.heuristic.selector.value.ValueSelectorConfig
  • org.drools.planner.config.localsearch.LocalSearchSolverPhaseConfig
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