Examples with TypeDeclarationDescr org.drools.drl.ast.descr.TypeDeclarationDescr used on opensource projects

Example 11 with TypeDeclarationDescr

use of org.drools.drl.ast.descr.TypeDeclarationDescr in project drools by kiegroup.

the class TypeDeclarationBuilder method createBean.

protected void createBean(AbstractClassTypeDeclarationDescr typeDescr, PackageRegistry pkgRegistry, ClassHierarchyManager hierarchyManager, List<TypeDefinition> unresolvedTypes, Map<String, AbstractClassTypeDeclarationDescr> unprocesseableDescrs) {
    // descriptor needs fields inherited from superclass
    if (typeDescr instanceof TypeDeclarationDescr) {
        hierarchyManager.inheritFields(pkgRegistry, typeDescr, unprocesseableDescrs);
    }
    TypeDeclaration type = typeDeclarationFactory.processTypeDeclaration(pkgRegistry, typeDescr);
    boolean success = !kbuilder.hasErrors();
    try {
        // the type declaration is generated in any case (to be used by subclasses, if any)
        // the actual class will be generated only if needed
        ClassDefinition def = null;
        if (success) {
            def = classDefinitionFactory.generateDeclaredBean(typeDescr, type, pkgRegistry, unresolvedTypes, unprocesseableDescrs);
            // this has to be done after the classDef has been generated
            if (!type.isNovel()) {
                typeDeclarationFactory.checkRedeclaration(typeDescr, type, pkgRegistry);
            }
        }
        success = (def != null) && (!kbuilder.hasErrors());
        if (success) {
            this.postGenerateDeclaredBean(typeDescr, type, def, pkgRegistry);
        }
        success = !kbuilder.hasErrors();
        if (success) {
            ClassBuilder classBuilder = RuntimeComponentFactory.get().getClassBuilderFactory().getClassBuilder(type);
            declaredClassBuilder.generateBeanFromDefinition(typeDescr, type, pkgRegistry, def, classBuilder);
        }
        success = !kbuilder.hasErrors();
        if (success) {
            Class<?> clazz = pkgRegistry.getTypeResolver().resolveType(typeDescr.getType().getFullName());
            type.setTypeClass(clazz);
            type.setValid(true);
        } else {
            unprocesseableDescrs.put(typeDescr.getType().getFullName(), typeDescr);
            type.setValid(false);
        }
        typeDeclarationConfigurator.finalizeConfigurator(type, typeDescr, pkgRegistry, kbuilder.getPackageRegistry(), hierarchyManager);
    } catch (final ClassNotFoundException e) {
        unprocesseableDescrs.put(typeDescr.getType().getFullName(), typeDescr);
        kbuilder.addBuilderResult(new TypeDeclarationError(typeDescr, "Class '" + type.getTypeClassName() + "' not found for type declaration of '" + type.getTypeName() + "'"));
    }
    if (!success) {
        unresolvedTypes.add(new TypeDefinition(type, typeDescr));
    } else {
        registerGeneratedType(typeDescr);
    }
}

Example 12 with TypeDeclarationDescr

use of org.drools.drl.ast.descr.TypeDeclarationDescr in project drools by kiegroup.

the class TypeDeclarationBuilder method normalizeForeignPackages.

protected void normalizeForeignPackages(PackageDescr packageDescr) {
    Map<String, PackageDescr> foreignPackages = null;
    for (AbstractClassTypeDeclarationDescr typeDescr : packageDescr.getClassAndEnumDeclarationDescrs()) {
        if (kbuilder.filterAccepts(ResourceChange.Type.DECLARATION, typeDescr.getNamespace(), typeDescr.getTypeName())) {
            if (!typeDescr.getNamespace().equals(packageDescr.getNamespace())) {
                // If the type declaration is for a different namespace, process that separately.
                PackageDescr altDescr;
                if (foreignPackages == null) {
                    foreignPackages = new HashMap<>();
                }
                if (foreignPackages.containsKey(typeDescr.getNamespace())) {
                    altDescr = foreignPackages.get(typeDescr.getNamespace());
                } else {
                    altDescr = new PackageDescr(typeDescr.getNamespace());
                    altDescr.setResource(packageDescr.getResource());
                    foreignPackages.put(typeDescr.getNamespace(), altDescr);
                }
                if (typeDescr instanceof TypeDeclarationDescr) {
                    altDescr.addTypeDeclaration((TypeDeclarationDescr) typeDescr);
                } else if (typeDescr instanceof EnumDeclarationDescr) {
                    altDescr.addEnumDeclaration((EnumDeclarationDescr) typeDescr);
                }
                for (ImportDescr imp : packageDescr.getImports()) {
                    altDescr.addImport(imp);
                }
                kbuilder.getOrCreatePackageRegistry(altDescr);
            }
        }
    }
}

Example 13 with TypeDeclarationDescr

use of org.drools.drl.ast.descr.TypeDeclarationDescr in project drools by kiegroup.

the class DescrTypeDefinition method typeFieldsSortedByPosition.

private List<TypeFieldDescr> typeFieldsSortedByPosition(List<FieldDefinition> inheritedFields) {
    Collection<TypeFieldDescr> typeFields = typeDeclarationDescr.getFields().values().stream().filter(f -> inheritedFields.stream().map(FieldDefinition::getFieldName).noneMatch(name -> name.equals(f.getFieldName()))).collect(Collectors.toList());
    TypeFieldDescr[] sortedTypes = new TypeFieldDescr[typeFields.size()];
    List<TypeFieldDescr> nonPositionalFields = new ArrayList<>();
    for (TypeFieldDescr descr : typeFields) {
        AnnotationDescr ann = descr.getAnnotation("Position");
        if (ann == null) {
            nonPositionalFields.add(descr);
        } else {
            int pos = Integer.parseInt(ann.getValue().toString());
            if (pos >= sortedTypes.length) {
                errors.add(new TypeDeclarationError(typeDeclarationDescr, "Out of range position " + pos + " for field '" + descr.getFieldName() + "' on class " + typeDeclarationDescr.getTypeName()));
            } else if (sortedTypes[pos] != null) {
                errors.add(new TypeDeclarationError(typeDeclarationDescr, "Duplicated position " + pos + " for field '" + descr.getFieldName() + "' on class " + typeDeclarationDescr.getTypeName()));
            } else {
                sortedTypes[pos] = descr;
            }
        }
    }
    if (!errors.isEmpty()) {
        return Collections.emptyList();
    }
    int counter = 0;
    for (TypeFieldDescr descr : nonPositionalFields) {
        for (; sortedTypes[counter] != null; counter++) ;
        sortedTypes[counter++] = descr;
    }
    return Arrays.asList(sortedTypes);
}

Example 14 with TypeDeclarationDescr

use of org.drools.drl.ast.descr.TypeDeclarationDescr in project drools by kiegroup.

the class POJOGenerator method findPOJOorGenerate.

public void findPOJOorGenerate() {
    TypeResolver typeResolver = pkg.getTypeResolver();
    Set<String> generatedPojos = new HashSet<>();
    for (TypeDeclarationDescr typeDescr : packageDescr.getTypeDeclarations()) {
        if (!generatedPojos.add(typeDescr.getFullTypeName())) {
            builder.addBuilderResult(new DuplicatedDeclarationError(typeDescr.getFullTypeName()));
            continue;
        }
        try {
            Class<?> type = typeResolver.resolveType(typeDescr.getFullTypeName());
            checkRedeclarationCompatibility(type, typeDescr);
            processTypeMetadata(type, typeDescr.getAnnotations());
        } catch (ClassNotFoundException e) {
            createPOJO(typeDescr);
        }
    }
    for (EnumDeclarationDescr enumDescr : packageDescr.getEnumDeclarations()) {
        try {
            Class<?> type = typeResolver.resolveType(enumDescr.getFullTypeName());
            processTypeMetadata(type, enumDescr.getAnnotations());
        } catch (ClassNotFoundException e) {
            TypeDeclaration generatedEnum = new EnumGenerator().generate(enumDescr);
            packageModel.addGeneratedPOJO(generatedEnum);
            addTypeMetadata(enumDescr.getTypeName());
        }
    }
}

Example 15 with TypeDeclarationDescr

use of org.drools.drl.ast.descr.TypeDeclarationDescr in project drools by kiegroup.

the class ClassHierarchyManager method inheritFields.

public void inheritFields(PackageRegistry pkgRegistry, AbstractClassTypeDeclarationDescr typeDescr, Map<String, AbstractClassTypeDeclarationDescr> unprocessableDescrs) {
    TypeDeclarationDescr tDescr = (TypeDeclarationDescr) typeDescr;
    boolean isNovel = TypeDeclarationUtils.isNovelClass(typeDescr, pkgRegistry);
    boolean inferFields = !isNovel && typeDescr.getFields().isEmpty();
    mergeInheritedFields(tDescr, unprocessableDescrs, pkgRegistry.getTypeResolver());
    if (inferFields) {
        // not novel, but only an empty declaration was provided.
        // after inheriting the fields from supertypes, now we fill in the locally declared fields
        Class existingClass = TypeDeclarationUtils.getExistingDeclarationClass(typeDescr, pkgRegistry);
        buildDescrsFromFields(existingClass, tDescr, tDescr.getFields());
    }
}