Package org.drools.planner.core.domain.entity

Examples of org.drools.planner.core.domain.entity.PlanningEntityDescriptor

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            // TODO Multiple MUST BE SUPPORTED TOO
            throw new UnsupportedOperationException("Currently the greedyFit implementation only supports " +
                    "1 planningEntityImplementationClass.");
        }
        Class<?> planningEntityImplementationClass = planningEntityImplementationClassSet.iterator().next();
        PlanningEntityDescriptor planningEntityDescriptor = solutionDescriptor.getPlanningEntityDescriptor(planningEntityImplementationClass);
        PlanningVariableWalker planningVariableWalker = new PlanningVariableWalker(planningEntityDescriptor);
        List<PlanningValueWalker> planningValueWalkerList = new ArrayList<PlanningValueWalker>();
        for (PlanningVariableDescriptor planningVariableDescriptor
                : planningEntityDescriptor.getPlanningVariableDescriptors()) {
            PlanningValueSelector planningValueSelector = new PlanningValueSelector(planningVariableDescriptor);
            // TODO should be configured to do BEST etc.
            PlanningValueWalker planningValueWalker = new PlanningValueWalker(
                    planningVariableDescriptor, planningValueSelector);
            planningValueWalkerList.add(planningValueWalker);
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    public Set<Class<?>> getPlanningEntityImplementationClassSet() {
        return planningEntityDescriptorMap.keySet();
    }

    public PlanningEntityDescriptor getPlanningEntityDescriptor(Class<?> planningEntityImplementationClass) {
        PlanningEntityDescriptor planningEntityDescriptor = null;
        Class<?> planningEntityClass = planningEntityImplementationClass;
        while (planningEntityClass != null) {
            planningEntityDescriptor = planningEntityDescriptorMap.get(planningEntityClass);
            if (planningEntityDescriptor != null) {
                return planningEntityDescriptor;
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        Collection<Object> facts = new ArrayList<Object>();
        facts.addAll(solution.getProblemFacts());
        for (PropertyDescriptor entityPropertyDescriptor : entityPropertyDescriptorMap.values()) {
            Object entity = extractPlanningEntity(entityPropertyDescriptor, solution);
            if (entity != null) {
                PlanningEntityDescriptor planningEntityDescriptor = getPlanningEntityDescriptor(entity.getClass());
                if (planningEntityDescriptor.isInitialized(entity)) {
                    facts.add(entity);
                }
            }
        }
        for (PropertyDescriptor entityCollectionPropertyDescriptor : entityCollectionPropertyDescriptorMap.values()) {
            Collection<?> entityCollection = extractPlanningEntityCollection(
                    entityCollectionPropertyDescriptor, solution);
            for (Object entity : entityCollection) {
                PlanningEntityDescriptor planningEntityDescriptor = getPlanningEntityDescriptor(entity.getClass());
                if (planningEntityDescriptor.isInitialized(entity)) {
                    facts.add(entity);
                }
            }
        }
        return facts;
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    public long getProblemScale(Solution solution) {
        long problemScale = 0L;
        for (PropertyDescriptor entityPropertyDescriptor : entityPropertyDescriptorMap.values()) {
            Object entity = extractPlanningEntity(entityPropertyDescriptor, solution);
            if (entity != null) {
                PlanningEntityDescriptor planningEntityDescriptor = getPlanningEntityDescriptor(entity.getClass());
                problemScale += planningEntityDescriptor.getProblemScale(solution, entity);
            }
        }
        for (PropertyDescriptor entityCollectionPropertyDescriptor : entityCollectionPropertyDescriptorMap.values()) {
            Collection<?> entityCollection = extractPlanningEntityCollection(
                    entityCollectionPropertyDescriptor, solution);
            for (Object entity : entityCollection) {
                PlanningEntityDescriptor planningEntityDescriptor = getPlanningEntityDescriptor(entity.getClass());
                problemScale += planningEntityDescriptor.getProblemScale(solution, entity);
            }
        }
        return problemScale;
    }
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        for (PropertyDescriptor entityPropertyDescriptor : entityPropertyDescriptorMap.values()) {
            Object entity = extractPlanningEntity(entityPropertyDescriptor, solution);
            if (entity == null) {
                return false;
            }
            PlanningEntityDescriptor planningEntityDescriptor = getPlanningEntityDescriptor(entity.getClass());
            if (!planningEntityDescriptor.isInitialized(entity)) {
                return false;
            }
        }
        for (PropertyDescriptor entityCollectionPropertyDescriptor : entityCollectionPropertyDescriptorMap.values()) {
            Collection<?> entityCollection = extractPlanningEntityCollection(
                    entityCollectionPropertyDescriptor, solution);
            for (Object entity : entityCollection) {
                PlanningEntityDescriptor planningEntityDescriptor = getPlanningEntityDescriptor(entity.getClass());
                if (!planningEntityDescriptor.isInitialized(entity)) {
                    return false;
                }
            }
        }
        return true;
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    }

    private void processValueRangeSolutionPropertyAnnotation(
            ValueRangeFromSolutionProperty valueRangeFromSolutionPropertyAnnotation) {
        String solutionPropertyName = valueRangeFromSolutionPropertyAnnotation.propertyName();
        PlanningEntityDescriptor planningEntityDescriptor = variableDescriptor.getPlanningEntityDescriptor();
        rangePropertyDescriptor = planningEntityDescriptor.getSolutionDescriptor()
                .getPropertyDescriptor(solutionPropertyName);
        if (rangePropertyDescriptor == null) {
            String exceptionMessage = "The planningEntityClass ("
                    + planningEntityDescriptor.getPlanningEntityClass()
                    + ") has a PlanningVariable annotated property (" + variableDescriptor.getVariablePropertyName()
                    + ") that refers to a solutionClass ("
                    + planningEntityDescriptor.getSolutionDescriptor().getSolutionClass()
                    + ") solutionProperty (" + solutionPropertyName
                    + ") that does not exist.";
            if (solutionPropertyName.length() >= 2 && Character.isUpperCase(solutionPropertyName.charAt(1))) {
                String correctedSolutionProperty = solutionPropertyName.substring(0, 1).toUpperCase()
                        + solutionPropertyName.substring(1);
                exceptionMessage += " But it probably needs to be correctedSolutionProperty ("
                        + correctedSolutionProperty + ") instead because the JavaBeans spec states" +
                        " the first letter should be a upper case if the second is upper case.";
            }
            throw new IllegalArgumentException(exceptionMessage);
        }
        if (!Collection.class.isAssignableFrom(rangePropertyDescriptor.getPropertyType())) {
            throw new IllegalArgumentException("The planningEntityClass ("
                    + planningEntityDescriptor.getPlanningEntityClass()
                    + ") has a PlanningVariable annotated property (" + variableDescriptor.getVariablePropertyName()
                    + ") that refers to a solutionClass ("
                    + planningEntityDescriptor.getSolutionDescriptor().getSolutionClass()
                    + ") solutionProperty (" + solutionPropertyName
                    + ") that does not return a Collection.");
        }
    }
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        }
        masterPlanningVariableDescriptor.addDependentPlanningVariableDescriptor(this);
        String mappedByPropertyName = dependentPlanningVariableAnnotation.mappedBy();
        if (!mappedByPropertyName.equals("")) {
            Class<?> oppositeClass = variablePropertyDescriptor.getPropertyType();
            PlanningEntityDescriptor oppositePlanningEntityDescriptor
                    = planningEntityDescriptor.getSolutionDescriptor().getPlanningEntityDescriptor(oppositeClass);
            if (oppositePlanningEntityDescriptor == null) {
                throw new IllegalStateException("The planningEntityClass ("
                        + planningEntityDescriptor.getPlanningEntityClass()
                        + ") has a DependentPlanningVariable annotated property (" + variablePropertyDescriptor.getName()
                        + ") that refers to a mappedByPropertyName (" + mappedByPropertyName
                        + ") on the oppositeClass (" + oppositeClass
                        + ") that is not a PlanningEntity.");
            }
            PlanningVariableDescriptor mappedByPlanningVariableDescriptor
                    = oppositePlanningEntityDescriptor.getPlanningVariableDescriptor(mappedByPropertyName);
            if (mappedByPlanningVariableDescriptor == null) {
                throw new IllegalStateException("The planningEntityClass ("
                        + planningEntityDescriptor.getPlanningEntityClass()
                        + ") has a DependentPlanningVariable annotated property (" + variablePropertyDescriptor.getName()
                        + ") that refers to a mappedByPropertyName (" + mappedByPropertyName
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    }

    private void processValueRangeFromPlanningEntityPropertyAnnotation(
            ValueRangeFromPlanningEntityProperty valueRangeFromPlanningEntityPropertyAnnotation) {
        String planningEntityProperty = valueRangeFromPlanningEntityPropertyAnnotation.propertyName();
        PlanningEntityDescriptor planningEntityDescriptor = variableDescriptor.getPlanningEntityDescriptor();
        rangePropertyDescriptor = planningEntityDescriptor.getPropertyDescriptor(planningEntityProperty);
        if (rangePropertyDescriptor == null) {
            String exceptionMessage = "The planningEntityClass ("
                    + planningEntityDescriptor.getPlanningEntityClass()
                    + ") has a PlanningVariable annotated property (" + variableDescriptor.getVariablePropertyName()
                    + ") that refers to a planningEntityProperty (" + planningEntityProperty
                    + ") that does not exist.";
            if (planningEntityProperty.length() >= 2 && Character.isUpperCase(planningEntityProperty.charAt(1))) {
                String correctedPlanningEntityProperty = planningEntityProperty.substring(0, 1).toUpperCase()
                        + planningEntityProperty.substring(1);
                exceptionMessage += " But it probably needs to be correctedPlanningEntityProperty ("
                        + correctedPlanningEntityProperty + ") instead because the JavaBeans spec states" +
                        " the first letter should be a upper case if the second is upper case.";
            }
            throw new IllegalArgumentException(exceptionMessage);
        }
        if (!Collection.class.isAssignableFrom(rangePropertyDescriptor.getPropertyType())) {
            throw new IllegalArgumentException("The planningEntityClass ("
                    + planningEntityDescriptor.getPlanningEntityClass()
                    + ") has a PlanningVariable annotated property (" + variableDescriptor.getVariablePropertyName()
                    + ") that refers to a planningEntityProperty (" + planningEntityProperty
                    + ") that does not return a Collection.");
        }
    }
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        if (planningEntityClassSet == null || planningEntityClassSet.isEmpty()) {
            throw new IllegalArgumentException(
                    "Configure at least 1 <planningEntityClass> in the solver configuration.");
        }
        for (Class<?> planningEntityClass : planningEntityClassSet) {
            PlanningEntityDescriptor planningEntityDescriptor = new PlanningEntityDescriptor(
                    solutionDescriptor, planningEntityClass);
            solutionDescriptor.addPlanningEntityDescriptor(planningEntityDescriptor);
            planningEntityDescriptor.processAnnotations();
        }
        return solutionDescriptor;
    }
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    public List<Move> createCachedMoveList(Solution solution) {
        List<Move> moveList = new ArrayList<Move>();
        List<Object> entityList = solutionDescriptor.getPlanningEntityList(solution);
        for (ListIterator<Object> leftIt = entityList.listIterator(); leftIt.hasNext();) {
            Object leftEntity = leftIt.next();
            PlanningEntityDescriptor leftEntityDescriptor = solutionDescriptor.getPlanningEntityDescriptor(
                    leftEntity.getClass());
            Collection<PlanningVariableDescriptor> variableDescriptors
                    = leftEntityDescriptor.getPlanningVariableDescriptors();
            for (PlanningVariableDescriptor variableDescriptor : variableDescriptors) {
                if (variableDescriptor.isChained()) {
                    throw new IllegalStateException("The planningEntityClass ("
                            + variableDescriptor.getPlanningEntityDescriptor().getPlanningEntityClass()
                            + ")'s planningVariableDescriptor (" + variableDescriptor.getVariableName()
                            + ") is chained and can therefor not use the moveFactory (" + this.getClass() + ").");
                }
            }
            for (ListIterator<Object> rightIt = entityList.listIterator(leftIt.nextIndex()); rightIt.hasNext();) {
                Object rightEntity = rightIt.next();
                PlanningEntityDescriptor rightEntityDescriptor = solutionDescriptor.getPlanningEntityDescriptor(
                        leftEntity.getClass());
                if (leftEntityDescriptor.getPlanningEntityClass().equals(
                        rightEntityDescriptor.getPlanningEntityClass())) {
                    moveList.add(new GenericSwapMove(variableDescriptors, leftEntity, rightEntity));
                }
            }
        }
        return moveList;
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Related Classes of org.drools.planner.core.domain.entity.PlanningEntityDescriptor

  • org.drools.planner.api.domain.entity.PlanningEntity
  • org.drools.planner.api.domain.entity.PlanningEntityDifficultyWeightFactory
  • org.drools.planner.config.constructionheuristic.ConstructionHeuristicSolverPhaseConfig
  • org.drools.planner.config.constructionheuristic.greedyFit.GreedyFitPlanningEntityConfig
  • org.drools.planner.config.constructionheuristic.greedyFit.GreedyFitSolverPhaseConfig
  • org.drools.planner.config.heuristic.selector.entity.EntitySelectorConfig
  • org.drools.planner.config.heuristic.selector.move.generic.chained.SubChainChangeMoveSelectorConfig
  • org.drools.planner.config.heuristic.selector.move.generic.chained.SubChainSwapMoveSelectorConfig
  • org.drools.planner.config.heuristic.selector.value.ValueSelectorConfigTest
  • org.drools.planner.config.solver.SolverConfig
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