Examples of org.drools.core.factmodel.ClassDefinition

org.drools.core.factmodel.ClassDefinition
Declares a class to be dynamically created

            IntrospectionException,
            ClassNotFoundException,
            NoSuchMethodException,
            InvocationTargetException,
            NoSuchFieldException {
        ClassDefinition cd = type.getTypeClassDef();
        ClassFieldAccessorStore store = pkgRegistry.getPackage().getClassFieldAccessorStore();
        for ( FieldDefinition attrDef : cd.getFieldsDefinitions() ) {
            ClassFieldAccessor accessor = store.getAccessor( cd.getDefinedClass().getName(),
                                                             attrDef.getName() );
            attrDef.setReadWriteAccessor( accessor );
        }
    }

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        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,

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                        tempDeclr.setTypesafe(type.isTypesafe());
                        tempDeclr.setNovel(true);
                        tempDeclr.setTypeClassName(tempDescr.getType().getFullName());
                        tempDeclr.setResource(type.getResource());


                        ClassDefinition tempDef = new ClassDefinition(target);
                        tempDef.setClassName(tempDescr.getType().getFullName());
                        tempDef.setTraitable(false);
                        for ( FieldDefinition fld : def.getFieldsDefinitions() ) {
                            tempDef.addField(fld);
                        }
                        tempDef.setInterfaces(def.getInterfaces());
                        tempDef.setSuperClass(def.getClassName());
                        tempDef.setDefinedClass(resolvedType);
                        tempDef.setAbstrakt(true);
                        tempDeclr.setTypeClassDef(tempDef);


                        type.setKind(TypeDeclaration.Kind.CLASS);


                        declaredClassBuilder.generateBeanFromDefinition( tempDescr,
                                                                         tempDeclr,
                                                                         pkgRegistry,
                                                                         tempDef );
                        try {
                            Class<?> clazz = pkgRegistry.getTypeResolver().resolveType(tempDescr.getType().getFullName());
                            tempDeclr.setTypeClass(clazz);


                            pkgRegistry.getTraitRegistry().addTrait( tempDef.getClassName().replace( TraitFactory.SUFFIX,
                                                                                                     ""),
                                                                     tempDef );


                        } catch (ClassNotFoundException cnfe) {
                            kbuilder.addBuilderResult(new TypeDeclarationError( typeDescr,

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                        klazz,
                        "Unable to find @positional definitions for :" + klazz + "\n"));
                return;
            }


            ClassDefinition clsDef = tDecl.getTypeClassDef();
            if ( clsDef == null ) {
                context.addError(new DescrBuildError(context.getParentDescr(),
                        descr,
                        null,
                        "Unable to find @positional field " + descr.getPosition() + " for class " + tDecl.getTypeName() + "\n"));
                return;
            }


            FieldDefinition field = clsDef.getField( descr.getPosition() );
            if ( field == null ) {
                context.addError(new DescrBuildError(context.getParentDescr(),
                        descr,
                        null,
                        "Unable to find @positional field " + descr.getPosition() + " for class " + tDecl.getTypeName() + "\n"));

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                                                 TypeDeclaration type,
                                                 PackageRegistry pkgRegistry,
                                                 List<TypeDefinition> unresolvedTypeDefinitions,
                                                 Map<String,AbstractClassTypeDeclarationDescr> unprocesseableDescrs ) {


        ClassDefinition def = createClassDefinition( typeDescr, type );


        boolean success = true;
        success &= wireAnnotationDefs( typeDescr, type, def, pkgRegistry.getTypeResolver() );
        success &= wireEnumLiteralDefs( typeDescr, type, def );
        success &= wireFields( typeDescr, type, def, pkgRegistry, unresolvedTypeDefinitions );

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            interfaceList.add(TraitableBean.class.getName());
        }
        String[] interfaces = interfaceList.toArray(new String[interfaceList.size()]);


        // prepares a class definition
        ClassDefinition def;
        switch ( type.getKind() ) {
            case TRAIT:
                def = new ClassDefinition( fullName,
                                           Object.class.getName(),
                                           fullSuperTypes );
                break;
            case ENUM:
                def = new EnumClassDefinition( fullName,
                                               fullSuperTypes[0],
                                               null );
                break;
            case CLASS:
            default:
                def = new ClassDefinition( fullName,
                                           fullSuperTypes[0],
                                           interfaces );
                def.setTraitable( traitable, traitableAnn != null &&
                                             traitableAnn.getValue( "logical" ) != null &&
                                             Boolean.valueOf( traitableAnn.getValue( "logical" ) ) );
        }


        return def;

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        return typeDeclaration;
    }


    private void initTypeDeclaration(Class<?> cls,
                                     TypeDeclaration typeDeclaration) {
        ClassDefinition clsDef = typeDeclaration.getTypeClassDef();
        if (clsDef == null) {
            clsDef = new ClassDefinition();
            ClassDefinitionFactory.populateDefinitionFromClass( clsDef, cls, cls.getAnnotation( Trait.class ) != null );
            typeDeclaration.setTypeClassDef(clsDef);
        } else {
            processFieldsPosition( cls, clsDef, typeDeclaration );
        }

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                        klazz,
                        "Unable to find @positional definitions for :" + klazz + "\n"));
                return;
            }


            ClassDefinition clsDef = tDecl.getTypeClassDef();
            if ( clsDef == null ) {
                context.addError(new DescrBuildError(context.getParentDescr(),
                        descr,
                        null,
                        "Unable to find @positional field " + descr.getPosition() + " for class " + tDecl.getTypeName() + "\n"));
                return;
            }


            FieldDefinition field = clsDef.getField( descr.getPosition() );
            if ( field == null ) {
                context.addError(new DescrBuildError(context.getParentDescr(),
                        descr,
                        null,
                        "Unable to find @positional field " + descr.getPosition() + " for class " + tDecl.getTypeName() + "\n"));

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            // look for the supertype declaration in available packages
            TypeDeclaration superTypeDeclaration = pack.getTypeDeclaration( simpleSuperTypeName );


            if (superTypeDeclaration != null && superTypeDeclaration.getTypeClassDef() != null ) {
                ClassDefinition classDef = superTypeDeclaration.getTypeClassDef();
                // inherit fields
                for (org.kie.api.definition.type.FactField fld : classDef.getFields()) {
                    TypeFieldDescr inheritedFlDescr = buildInheritedFieldDescrFromDefinition(fld, typeDescr);
                    fieldMap.put(inheritedFlDescr.getFieldName(),
                                 inheritedFlDescr);
                }

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        return typeDeclaration;
    }


    private void initTypeDeclaration(Class<?> cls,
            TypeDeclaration typeDeclaration) {
        ClassDefinition clsDef = typeDeclaration.getTypeClassDef();
        if (clsDef == null) {
            clsDef = new ClassDefinition();
            typeDeclaration.setTypeClassDef(clsDef);
        }


        if (typeDeclaration.isPropertyReactive()) {
            processModifiedProps(cls, clsDef);

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Related Classes of org.drools.core.factmodel.ClassDefinition

org.drools.compiler.builder.impl.ClassDefinitionFactory

org.drools.compiler.builder.impl.ClassHierarchyManager

org.drools.compiler.builder.impl.TypeDeclarationBuilder

org.drools.compiler.builder.impl.TypeDeclarationCache

org.drools.compiler.builder.impl.TypeDeclarationConfigurator

org.drools.compiler.compiler.PackageBuilder

org.drools.compiler.rule.builder.dialect.DialectUtil

org.drools.compiler.rule.builder.PatternBuilder

org.drools.core.base.DefaultKnowledgeHelper

org.drools.core.common.AbstractRuleBase

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