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

Example 11 with TypeFieldDescr

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

the class ClassHierarchyManager method buildDescrsFromFields.

private static void buildDescrsFromFields(Class klass, TypeDeclarationDescr typeDescr, Map<String, TypeFieldDescr> fieldMap) {
    ClassFieldInspector inspector;
    try {
        inspector = CoreComponentsBuilder.get().createClassFieldInspector(klass);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
    for (String name : inspector.getGetterMethods().keySet()) {
        // classFieldAccessor requires both getter and setter
        if (inspector.getSetterMethods().containsKey(name)) {
            if (!inspector.isNonGetter(name) && !"class".equals(name)) {
                Resource resource = typeDescr.getResource();
                PatternDescr patternDescr = new PatternDescr(inspector.getFieldType(name).getName());
                patternDescr.setResource(resource);
                TypeFieldDescr inheritedFlDescr = new TypeFieldDescr(name, patternDescr);
                inheritedFlDescr.setResource(resource);
                inheritedFlDescr.setInherited(!Modifier.isAbstract(inspector.getGetterMethods().get(name).getModifiers()));
                if (!fieldMap.containsKey(inheritedFlDescr.getFieldName()))
                    fieldMap.put(inheritedFlDescr.getFieldName(), inheritedFlDescr);
            }
        }
    }
}

Example 12 with TypeFieldDescr

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

the class TypeDeclarationFactory method checkRedeclaration.

protected void checkRedeclaration(AbstractClassTypeDeclarationDescr typeDescr, TypeDeclaration type, PackageRegistry pkgRegistry) {
    TypeDeclaration previousTypeDeclaration = kbuilder.getPackageRegistry(typeDescr.getNamespace()).getPackage().getTypeDeclaration(typeDescr.getTypeName());
    try {
        // to the behavior previous these changes
        if (!type.isDefinition()) {
            // new declarations of a POJO can't declare new fields,
            // except if the POJO was previously generated/compiled and saved into the kjar
            Class<?> existingDeclarationClass = TypeDeclarationUtils.getExistingDeclarationClass(typeDescr, pkgRegistry);
            if (!kbuilder.getBuilderConfiguration().isPreCompiled() && !GeneratedFact.class.isAssignableFrom(existingDeclarationClass) && !type.getTypeClassDef().getFields().isEmpty()) {
                try {
                    Class existingClass = pkgRegistry.getPackage().getTypeResolver().resolveType(typeDescr.getType().getFullName());
                    ClassFieldInspector cfi = CoreComponentsBuilder.get().createClassFieldInspector(existingClass);
                    int fieldCount = 0;
                    for (String existingFieldName : cfi.getFieldTypesField().keySet()) {
                        if (!cfi.isNonGetter(existingFieldName) && !"class".equals(existingFieldName) && cfi.getSetterMethods().containsKey(existingFieldName) && cfi.getGetterMethods().containsKey(existingFieldName)) {
                            if (!typeDescr.getFields().containsKey(existingFieldName)) {
                                type.setValid(false);
                                kbuilder.addBuilderResult(new TypeDeclarationError(typeDescr, "New declaration of " + typeDescr.getType().getFullName() + " does not include field " + existingFieldName));
                            } else {
                                String fldType = cfi.getFieldType(existingFieldName).getName();
                                fldType = TypeDeclarationUtils.toBuildableType(fldType, kbuilder.getRootClassLoader());
                                TypeFieldDescr declaredField = typeDescr.getFields().get(existingFieldName);
                                if (!fldType.equals(type.getTypeClassDef().getField(existingFieldName).getTypeName())) {
                                    type.setValid(false);
                                    kbuilder.addBuilderResult(new TypeDeclarationError(typeDescr, "New declaration of " + typeDescr.getType().getFullName() + " redeclared field " + existingFieldName + " : \n" + "existing : " + fldType + " vs declared : " + declaredField.getPattern().getObjectType()));
                                } else {
                                    fieldCount++;
                                }
                            }
                        }
                    }
                    if (fieldCount != typeDescr.getFields().size()) {
                        kbuilder.addBuilderResult(reportDeclarationDiff(cfi, typeDescr));
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                    type.setValid(false);
                    kbuilder.addBuilderResult(new TypeDeclarationError(typeDescr, "Unable to redeclare " + typeDescr.getType().getFullName() + " : " + e.getMessage()));
                } catch (ClassNotFoundException e) {
                    type.setValid(false);
                    kbuilder.addBuilderResult(new TypeDeclarationError(typeDescr, "Unable to redeclare " + typeDescr.getType().getFullName() + " : " + e.getMessage()));
                }
            }
        } else if (previousTypeDeclaration != null) {
            // previous declaration can be null during an incremental compilation
            int typeComparisonResult = this.compareTypeDeclarations(previousTypeDeclaration, type);
            if (typeComparisonResult < 0) {
                // oldDeclaration is "less" than newDeclaration -> error
                kbuilder.addBuilderResult(new TypeDeclarationError(typeDescr, typeDescr.getType().getFullName() + " declares more fields than the already existing version"));
                type.setValid(false);
            } else if (typeComparisonResult > 0 && !type.getTypeClassDef().getFields().isEmpty()) {
                // oldDeclaration is "grater" than newDeclaration -> error
                kbuilder.addBuilderResult(new TypeDeclarationError(typeDescr, typeDescr.getType().getFullName() + " declares less fields than the already existing version"));
                type.setValid(false);
            }
            // fields present in the previous declaration
            if (type.getNature() == TypeDeclaration.Nature.DECLARATION) {
                mergeTypeDeclarations(previousTypeDeclaration, type);
            }
        }
    } catch (IncompatibleClassChangeError error) {
        // if the types are incompatible -> error
        kbuilder.addBuilderResult(new TypeDeclarationError(typeDescr, error.getMessage()));
    }
}

Example 13 with TypeFieldDescr

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

the class DescrTypeDefinition method processFields.

private List<DescrFieldDefinition> processFields() {
    List<FieldDefinition> inheritedFields = findInheritedDeclaredFields();
    List<TypeFieldDescr> sortedTypeFields = typeFieldsSortedByPosition(inheritedFields);
    int position = inheritedFields.size();
    List<DescrFieldDefinition> allFields = new ArrayList<>();
    for (TypeFieldDescr typeFieldDescr : sortedTypeFields) {
        ProcessedTypeField processedTypeField = processTypeField(position, typeFieldDescr);
        allFields.add(processedTypeField.fieldDefinition);
        position = processedTypeField.position;
    }
    if (typeDeclarationDescr.getFields().size() != sortedTypeFields.size()) {
        typeDeclarationDescr.getFields().values().stream().filter(f -> inheritedFields.stream().map(FieldDefinition::getFieldName).anyMatch(name -> name.equals(f.getFieldName()))).map(DescrFieldDefinition::new).map(d -> d.setOverride(true)).forEach(allFields::add);
    }
    return allFields;
}

Example 14 with TypeFieldDescr

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

the class EnumGenerator method generate.

public TypeDeclaration generate(EnumDeclarationDescr enumDeclarationDescr) {
    NodeList<Modifier> modifiers = nodeList(Modifier.publicModifier());
    enumDeclaration = new EnumDeclaration(modifiers, enumDeclarationDescr.getFullTypeName());
    for (Map.Entry<String, TypeFieldDescr> field : enumDeclarationDescr.getFields().entrySet()) {
        addField(field);
    }
    for (EnumLiteralDescr enumLiteral : enumDeclarationDescr.getLiterals()) {
        addEnumerationValue(enumLiteral);
    }
    createConstructor(enumDeclarationDescr);
    return enumDeclaration;
}

Example 15 with TypeFieldDescr

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

the class RuleParserTest method testTypeDeclarationWithFields.

@Test
public void testTypeDeclarationWithFields() throws Exception {
    final PackageDescr pkg = (PackageDescr) parseResource("compilationUnit", "declare_type_with_fields.drl");
    assertFalse(parser.getErrors().toString(), parser.hasErrors());
    List<TypeDeclarationDescr> td = pkg.getTypeDeclarations();
    assertEquals(3, td.size());
    TypeDeclarationDescr d = td.get(0);
    assertEquals("SomeFact", d.getTypeName());
    assertEquals(2, d.getFields().size());
    assertTrue(d.getFields().containsKey("name"));
    assertTrue(d.getFields().containsKey("age"));
    TypeFieldDescr f = d.getFields().get("name");
    assertEquals("String", f.getPattern().getObjectType());
    f = d.getFields().get("age");
    assertEquals("Integer", f.getPattern().getObjectType());
    d = td.get(1);
    assertEquals("AnotherFact", d.getTypeName());
    TypeDeclarationDescr type = td.get(2);
    assertEquals("Person", type.getTypeName());
    assertEquals("fact", type.getAnnotation("role").getValue());
    assertEquals("\"Models a person\"", type.getAnnotation("doc").getValue("descr"));
    assertEquals("\"Bob\"", type.getAnnotation("doc").getValue("author"));
    assertEquals("Calendar.getInstance().getDate()", type.getAnnotation("doc").getValue("date"));
    assertEquals(2, type.getFields().size());
    TypeFieldDescr field = type.getFields().get("name");
    assertEquals("name", field.getFieldName());
    assertEquals("String", field.getPattern().getObjectType());
    assertEquals("\"John Doe\"", field.getInitExpr());
    assertEquals("50", field.getAnnotation("length").getValue("max"));
    assertNotNull(field.getAnnotation("key"));
    field = type.getFields().get("age");
    assertEquals("age", field.getFieldName());
    assertEquals("int", field.getPattern().getObjectType());
    assertEquals("-1", field.getInitExpr());
    assertEquals("0", field.getAnnotation("ranged").getValue("min"));
    assertEquals("150", field.getAnnotation("ranged").getValue("max"));
    assertEquals("-1", field.getAnnotation("ranged").getValue("unknown"));
}