optaplanner-core/src/main/java/org/optaplanner/core/config/constructionheuristic/ConstructionHeuristicPhaseConfig.java
@Override
    public ConstructionHeuristicPhase buildPhase(int phaseIndex, HeuristicConfigPolicy solverConfigPolicy,
            BestSolutionRecaller bestSolutionRecaller, Termination solverTermination) {
        HeuristicConfigPolicy phaseConfigPolicy = solverConfigPolicy.createPhaseConfigPolicy();
        phaseConfigPolicy.setReinitializeVariableFilterEnabled(true);
        phaseConfigPolicy.setInitializedChainedValueFilterEnabled(true);
        DefaultConstructionHeuristicPhase phase = new DefaultConstructionHeuristicPhase(
                phaseIndex, solverConfigPolicy.getLogIndentation(), bestSolutionRecaller,
                buildPhaseTermination(phaseConfigPolicy, solverTermination));
        phase.setDecider(buildDecider(phaseConfigPolicy, phase.getTermination()));
        ConstructionHeuristicType constructionHeuristicType_ = defaultIfNull(
                constructionHeuristicType, ConstructionHeuristicType.ALLOCATE_ENTITY_FROM_QUEUE);
        phaseConfigPolicy.setEntitySorterManner(entitySorterManner != null ? entitySorterManner
                : constructionHeuristicType_.getDefaultEntitySorterManner());
        phaseConfigPolicy.setValueSorterManner(valueSorterManner != null ? valueSorterManner
                : constructionHeuristicType_.getDefaultValueSorterManner());
        EntityPlacerConfig entityPlacerConfig;
        if (ConfigUtils.isEmptyCollection(entityPlacerConfigList)) {
            entityPlacerConfig = buildUnfoldedEntityPlacerConfig(phaseConfigPolicy, constructionHeuristicType_);
        } else if (entityPlacerConfigList.size() == 1) {
            entityPlacerConfig = entityPlacerConfigList.get(0);
            if (constructionHeuristicType != null) {
                throw new IllegalArgumentException("The constructionHeuristicType (" + constructionHeuristicType
                        + ") must not be configured if the entityPlacerConfig (" + entityPlacerConfig
                        + ") is explicitly configured.");
            }
            if (moveSelectorConfigList != null) {
                throw new IllegalArgumentException("The moveSelectorConfigList (" + moveSelectorConfigList
                        + ") can not be configured if the entityPlacerConfig (" + entityPlacerConfig
                        + ") is explicitly configured.");
            }
        } else {
            // TODO entityPlacerConfigList is only a List because of XStream limitations.
            throw new IllegalArgumentException("The entityPlacerConfigList (" + entityPlacerConfigList
                    + ") must be a singleton or empty. Use multiple " + ConstructionHeuristicPhaseConfig.class
                    + " elements to initialize multiple entity classes.");
        }
        EntityPlacer entityPlacer = entityPlacerConfig.buildEntityPlacer(phaseConfigPolicy);
        phase.setEntityPlacer(entityPlacer);
        EnvironmentMode environmentMode = phaseConfigPolicy.getEnvironmentMode();
        if (environmentMode.isNonIntrusiveFullAsserted()) {
            phase.setAssertStepScoreFromScratch(true);
        }
        if (environmentMode.isIntrusiveFastAsserted()) {
            phase.setAssertExpectedStepScore(true);
            phase.setAssertShadowVariablesAreNotStaleAfterStep(true);
        }
        return phase;
    }
@Override
    public ConstructionHeuristicPhase buildPhase(int phaseIndex, HeuristicConfigPolicy solverConfigPolicy,
            BestSolutionRecaller bestSolutionRecaller, Termination solverTermination) {
        HeuristicConfigPolicy phaseConfigPolicy = solverConfigPolicy.createPhaseConfigPolicy();
        phaseConfigPolicy.setReinitializeVariableFilterEnabled(true);
        phaseConfigPolicy.setInitializedChainedValueFilterEnabled(true);
        DefaultConstructionHeuristicPhase phase = new DefaultConstructionHeuristicPhase(
                phaseIndex, solverConfigPolicy.getLogIndentation(), bestSolutionRecaller,
                buildPhaseTermination(phaseConfigPolicy, solverTermination));
        phase.setDecider(buildDecider(phaseConfigPolicy, phase.getTermination()));
        ConstructionHeuristicType constructionHeuristicType_ = defaultIfNull(
                constructionHeuristicType, ConstructionHeuristicType.ALLOCATE_ENTITY_FROM_QUEUE);
        phaseConfigPolicy.setEntitySorterManner(entitySorterManner != null ? entitySorterManner
                : constructionHeuristicType_.getDefaultEntitySorterManner());
        phaseConfigPolicy.setValueSorterManner(valueSorterManner != null ? valueSorterManner
                : constructionHeuristicType_.getDefaultValueSorterManner());
        EntityPlacerConfig entityPlacerConfig;
        if (ConfigUtils.isEmptyCollection(entityPlacerConfigList)) {
            entityPlacerConfig = buildUnfoldedEntityPlacerConfig(phaseConfigPolicy, constructionHeuristicType_);
        } else if (entityPlacerConfigList.size() == 1) {
            entityPlacerConfig = entityPlacerConfigList.get(0);
            if (constructionHeuristicType != null) {
                throw new IllegalArgumentException("The constructionHeuristicType (" + constructionHeuristicType
                        + ") must not be configured if the entityPlacerConfig (" + entityPlacerConfig
                        + ") is explicitly configured.");
            }
            if (moveSelectorConfigList != null) {
                throw new IllegalArgumentException("The moveSelectorConfigList (" + moveSelectorConfigList
                        + ") can not be configured if the entityPlacerConfig (" + entityPlacerConfig
                        + ") is explicitly configured.");
            }
        } else {
            // TODO entityPlacerConfigList is only a List because of XStream limitations.
            throw new IllegalArgumentException("The entityPlacerConfigList (" + entityPlacerConfigList
                    + ") must be a singleton or empty. Use multiple " + ConstructionHeuristicPhaseConfig.class
                    + " elements to initialize multiple entity classes.");
        }
        EntityPlacer entityPlacer = entityPlacerConfig.buildEntityPlacer(phaseConfigPolicy);
        phase.setEntityPlacer(entityPlacer);
        EnvironmentMode environmentMode = phaseConfigPolicy.getEnvironmentMode();
        if (environmentMode.isNonIntrusiveFullAsserted()) {
            phase.setAssertStepScoreFromScratch(true);
        }
        if (environmentMode.isIntrusiveFastAsserted()) {
            phase.setAssertExpectedStepScore(true);
            phase.setAssertShadowVariablesAreNotStaleAfterStep(true);
        }
        return phase;
    }
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