Package org.drools.factmodel

Examples of org.drools.factmodel.ClassDefinition

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            annotationDescr = typeDescr.getAnnotation( TypeDeclaration.ATTR_TIMESTAMP );
            String timestamp = (annotationDescr != null) ? annotationDescr.getSingleValue() : null;
            if ( timestamp != null ) {
                type.setTimestampAttribute( timestamp );
                ClassDefinition cd = type.getTypeClassDef();
                Package pkg = pkgRegistry.getPackage();
                InternalReadAccessor reader = pkg.getClassFieldAccessorStore().getMVELReader( ClassUtils.getPackage( type.getTypeClass() ),
                                                                                              type.getTypeClass().getName(),
                                                                                              timestamp,
                                                                                              type.isTypesafe() );
                MVELDialectRuntimeData data = (MVELDialectRuntimeData) pkg.getDialectRuntimeRegistry().getDialectData( "mvel" );
                data.addCompileable( (MVELCompileable) reader );
                ((MVELCompileable) reader).compile( data );
                type.setTimestampExtractor( reader );
            }

            annotationDescr = typeDescr.getAnnotation( TypeDeclaration.ATTR_DURATION );
            String duration = (annotationDescr != null) ? annotationDescr.getSingleValue() : null;
            if ( duration != null ) {
                type.setDurationAttribute( duration );
                ClassDefinition cd = type.getTypeClassDef();
                Package pkg = pkgRegistry.getPackage();
                InternalReadAccessor reader = pkg.getClassFieldAccessorStore().getMVELReader( ClassUtils.getPackage( type.getTypeClass() ),
                                                                                              type.getTypeClass().getName(),
                                                                                              duration,
                                                                                              type.isTypesafe() );
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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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                interfaceList.add( TraitableBean.class.getName() );
            }
        String[] interfaces = interfaceList.toArray( new String[ interfaceList.size() ] );

        // prepares a class definition
        ClassDefinition def = null;
        if ( type.getFormat().equals( TypeDeclaration.Format.TRAIT ) ) {
            def = new ClassDefinition( fullName,
                                       "java.lang.Object",
                                       fullSuperTypes );

        } else {
            def = new ClassDefinition( fullName,
                                       fullSuperTypes[0],
                                       interfaces );
            def.setTraitable( traitable );
        }

        for ( String annotationName : typeDescr.getAnnotationNames() ) {
            Class annotation = resolveAnnotation( annotationName,
                                                  pkgRegistry.getTypeResolver() );
            if ( annotation != null ) {
                try {
                    AnnotationDefinition annotationDefinition = AnnotationDefinition.build(
                                                                                            annotation,
                                                                                            typeDescr.getAnnotations().get( annotationName ).getValueMap(),
                                                                                            pkgRegistry.getTypeResolver() );
                    def.addAnnotation( annotationDefinition );
                } catch ( NoSuchMethodException nsme ) {
                    this.results.add( new TypeDeclarationError( "Annotated type " + fullName + "  - undefined property in @annotation " + annotationName + ": " + nsme.getMessage() + ";",
                                                                typeDescr.getLine() ) );
                }
            }
        }

        // fields definitions are created. will be used by subclasses, if any.
        // Fields are SORTED in the process
        if ( typeDescr.getFields().size() > 0 ) {
            PriorityQueue<FieldDefinition> fieldDefs = sortFields( typeDescr.getFields(),
                                                                   pkgRegistry );
            while ( fieldDefs.size() > 0 ) {
                FieldDefinition fld = fieldDefs.poll();
                def.addField( fld );
            }
        }

        // check whether it is necessary to build the class or not
        type.setNovel( isNovelClass( typeDescr ) );
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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 );

                            type.setFormat( TypeDeclaration.Format.POJO );

                            generateDeclaredBean(tempDescr, tempDeclr, pkgRegistry, tempDef );
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                                                              klazz,
                                                              "Unable to find @positional definitions for :" + klazz + "\n" ) );
                return;
            }

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

            String timestamp = typeDescr.getMetaAttribute( TypeDeclaration.ATTR_TIMESTAMP );
            if ( timestamp != null ) {
                type.setTimestampAttribute( timestamp );
                ClassDefinition cd = type.getTypeClassDef();
                ClassFieldAccessorStore store = pkgRegistry.getPackage().getClassFieldAccessorStore();
                InternalReadAccessor extractor = store.getReader( type.getTypeClass().getName(),
                                                                  timestamp,
                                                                  type.new TimestampAccessorSetter() );
            }
            String duration = typeDescr.getMetaAttribute( TypeDeclaration.ATTR_DURATION );
            if ( duration != null ) {
                type.setDurationAttribute( duration );
                ClassDefinition cd = type.getTypeClassDef();
                ClassFieldAccessorStore store = pkgRegistry.getPackage().getClassFieldAccessorStore();
                InternalReadAccessor extractor = store.getReader( type.getTypeClass().getName(),
                                                                  duration,
                                                                  type.new DurationAccessorSetter() );
            }
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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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                                      TypeDeclaration type,
                                      PackageRegistry pkgRegistry) {
        // need to fix classloader?
        ClassBuilder cb = new ClassBuilder();
        String fullName = typeDescr.getNamespace() + "." + typeDescr.getTypeName();
        ClassDefinition def = new ClassDefinition( fullName );
        Map<String, TypeFieldDescr> flds = typeDescr.getFields();
        try {
            for ( TypeFieldDescr field : flds.values() ) {
                String fullFieldType = pkgRegistry.getTypeResolver().resolveType( field.getPattern().getObjectType() ).getName();
                FieldDefinition fieldDef = new FieldDefinition( field.getFieldName(),
                                                                fullFieldType );
                // field is marked as PK
                boolean isKey = field.getMetaAttributes().containsKey( "key" );
                fieldDef.setKey( isKey );
                def.addField( fieldDef );
            }

            byte[] d = cb.buildClass( def );

            JavaDialectRuntimeData dialect = (JavaDialectRuntimeData) pkgRegistry.getDialectRuntimeRegistry().getDialectData( "java" );
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            }

            String timestamp = typeDescr.getMetaAttribute( TypeDeclaration.ATTR_TIMESTAMP );
            if ( timestamp != null ) {
                type.setTimestampAttribute( timestamp );
                ClassDefinition cd = type.getTypeClassDef();
                ClassFieldAccessorStore store = pkgRegistry.getPackage().getClassFieldAccessorStore();
                InternalReadAccessor extractor = store.getReader( type.getTypeClass().getName(),
                                                                  timestamp,
                                                                  type.new TimestampAccessorSetter() );
            }
            String duration = typeDescr.getMetaAttribute( TypeDeclaration.ATTR_DURATION );
            if ( duration != null ) {
                type.setDurationAttribute( duration );
                ClassDefinition cd = type.getTypeClassDef();
                ClassFieldAccessorStore store = pkgRegistry.getPackage().getClassFieldAccessorStore();
                InternalReadAccessor extractor = store.getReader( type.getTypeClass().getName(),
                                                                  duration,
                                                                  type.new DurationAccessorSetter() );
            }
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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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Related Classes of org.drools.factmodel.ClassDefinition

  • org.drools.base.DefaultKnowledgeHelper
  • org.drools.compiler.PackageBuilder
  • org.drools.factmodel.traits.TraitFactory
  • org.drools.factmodel.traits.TraitRegistry
  • org.drools.rule.builder.dialect.DialectUtil
  • org.drools.rule.builder.PatternBuilder
  • java.util.ArrayList
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