Package org.drools.core.factmodel

Examples of org.drools.core.factmodel.ClassDefinition

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    public ClassDefinition buildClassDefinition(Class<?> klazz, Class<?> wrapperClass) throws IOException {
        ClassFieldInspector inspector = new ClassFieldInspector( klazz );

        ClassFieldAccessorStore store = getClassFieldAccessorStore();

        ClassDefinition def;
        if ( ! klazz.isInterface() ) {
            String className = wrapperClass.getName();
            String superClass = wrapperClass != klazz ? klazz.getName() : klazz.getSuperclass().getName();
            String[] interfaces = new String[ klazz.getInterfaces().length + 1 ];
            for ( int j = 0; j <  klazz.getInterfaces().length; j++ ) {
                interfaces[ j ] = klazz.getInterfaces()[ j ].getName();
            }
            interfaces[ interfaces.length - 1 ] = CoreWrapper.class.getName();
            def = new ClassDefinition( className, superClass, interfaces );
            def.setDefinedClass( wrapperClass );

            Traitable tbl = wrapperClass.getAnnotation( Traitable.class );
            def.setTraitable( true, tbl != null && tbl.logical() );
            Map<String, Field> fields = inspector.getFieldTypesField();
            for ( Field f : fields.values() ) {
                if ( f != null ) {
                    FieldDefinition fld = new FieldDefinition();
                    fld.setName( f.getName() );
                    fld.setTypeName( f.getType().getName() );
                    fld.setInherited( true );
                    ClassFieldAccessor accessor = store.getAccessor( def.getDefinedClass().getName(),
                                                                     fld.getName() );
                    fld.setReadWriteAccessor( accessor );

                    def.addField( fld );
                }
            }
        } else {
            String className = klazz.getName();
            String superClass = Object.class.getName();
            String[] interfaces = new String[ klazz.getInterfaces().length ];
            for ( int j = 0; j <  klazz.getInterfaces().length; j++ ) {
                interfaces[ j ] = klazz.getInterfaces()[ j ].getName();
            }
            def = new ClassDefinition( className, superClass, interfaces );
            def.setDefinedClass( klazz );

            Map<String, Method> properties = inspector.getGetterMethods();
            for ( String key : properties.keySet() ) {
                Method m = properties.get( key );
                if ( m != null && m.getDeclaringClass() != TraitType.class && m.getDeclaringClass() != Thing.class && inspector.getSetterMethods().containsKey( key ) ) {
                    FieldDefinition fld = new FieldDefinition();
                    fld.setName( getterToFieldName( m.getName() ) );
                    fld.setTypeName( m.getReturnType().getName() );
                    fld.setInherited( true );
                    ClassFieldAccessor accessor = store.getAccessor( def.getDefinedClass().getName(),
                                                                     fld.getName() );
                    fld.setReadWriteAccessor( accessor );

                    def.addField( fld );
                }
            }
        }

        return def;
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        // Create and deploy a standard mavenized pojo jar
        String pojoNS = "org.kie.pojos";
        ReleaseId pojoID = KieServices.Factory.get().newReleaseId(pojoNS, "pojojar", "2.0.0");
        String className = "Message";

        ClassDefinition def = new ClassDefinition(pojoNS + "." + className);
        def.addField(new FieldDefinition("text", String.class.getName()));
        byte[] messageClazz = ClassBuilderFactory.getDefaultBeanClassBuilder().buildClass(def,null);
        MemoryFileSystem mfs = new MemoryFileSystem();
        mfs.write(pojoNS.replace('.', '/') + "/" + className+".class", messageClazz);
        byte[] pomContent = generatePomXml(pojoID).getBytes();
        mfs.write("META-INF/maven/" + pojoID.getGroupId() + "/" + pojoID.getArtifactId() + "/pom.xml", pomContent);
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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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                    ConsequenceMetaData.Statement statement = new ConsequenceMetaData.Statement(ConsequenceMetaData.Statement.Type.INSERT, typeClass);
                    context.getRule().getConsequenceMetaData().addStatement(statement);

                    String constructorParams = expr.substring(argsStart+1, expr.indexOf(')')).trim();
                    List<String> args = splitArgumentsList(constructorParams);
                    ClassDefinition classDefinition = typeDeclaration.getTypeClassDef();
                    List<FactField> fields = classDefinition.getFields();
                    if (args.size() == fields.size()) {
                        for (int i = 0; i < args.size(); i++) {
                            statement.addField(fields.get(i).getName(), args.get(i));
                        }
                    }
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            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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                                                 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.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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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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