Examples of InternalReadAccessor

Examples of org.drools.core.spi.InternalReadAccessor

        final Pattern pattern = new Pattern( context.getNextPatternId(),
                                             0, // offset is 0 by default
                                             queryObjectType,
                                             null );
        
        final InternalReadAccessor extractor = PatternBuilder.getFieldReadAccessor(context, queryDescr, queryObjectType, "name", null, true);
        final QueryNameConstraint constraint = new QueryNameConstraint(extractor, queryDescr.getName());


        PatternBuilder.registerReadAccessor( context, queryObjectType, "name", constraint );


        // adds appropriate constraint to the pattern
        pattern.addConstraint( constraint );


        ObjectType argsObjectType = ClassObjectType.DroolsQuery_ObjectType;
        
        InternalReadAccessor arrayExtractor = PatternBuilder.getFieldReadAccessor( context, queryDescr, argsObjectType, "elements", null, true );


        Query query = ((Query) context.getRule());


        String[] params;
        String[] types;

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Examples of org.drools.core.spi.InternalReadAccessor

            String normalizedExpr;


            if (!getExprBindings(context, pattern, values[1]).isConstant()) {
                normalizedExpr = subExprs[i++];
            } else {
                InternalReadAccessor extractor = getFieldReadAccessor( context, relDescr, pattern.getObjectType(), values[0], null, true );
                if (extractor == null) {
                    normalizedExpr = subExprs[i++];
                } else {
                    ValueType vtype = extractor.getValueType();
                    LiteralRestrictionDescr restrictionDescr = new LiteralRestrictionDescr( relDescr.getOperator(),
                                                                                            relDescr.isNegated(),
                                                                                            relDescr.getParameters(),
                                                                                            values[1],
                                                                                            LiteralRestrictionDescr.TYPE_STRING );

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Examples of org.drools.core.spi.InternalReadAccessor

                                            String expr,
                                            String value1,
                                            String value2,
                                            boolean isConstant) {


        final InternalReadAccessor extractor = getFieldReadAccessor( context, relDescr, pattern.getObjectType(), value1, null, true );
        return extractor != null && addConstraintToPattern(context, pattern, relDescr, expr, value1, value2, isConstant, extractor);
    }

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Examples of org.drools.core.spi.InternalReadAccessor

            }
        }


        Declaration declr = pattern.addDeclaration( fieldBindingDescr.getVariable() );


        final InternalReadAccessor extractor = getFieldReadAccessor( context,
                                                                     fieldBindingDescr,
                                                                     pattern.getObjectType(),
                                                                     fieldBindingDescr.getBindingField(),
                                                                     declr,
                                                                     true );

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Examples of org.drools.core.spi.InternalReadAccessor

        final Declaration declaration = new Declaration( identifier,
                                                         null,
                                                         pattern,
                                                         true );


        InternalReadAccessor extractor = getFieldReadAccessor( context,
                                                               implicitBinding,
                                                               pattern.getObjectType(),
                                                               implicitBinding.getExpression(),
                                                               declaration,
                                                               false );

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Examples of org.drools.core.spi.InternalReadAccessor

                                                             final ObjectType objectType,
                                                             final String fieldName,
                                                             final AcceptsReadAccessor target,
                                                             final boolean reportError ) {
        // reportError is needed as some times failure to build accessor is not a failure, just an indication that building is not possible so try something else.
        InternalReadAccessor reader;


        if ( ValueType.FACTTEMPLATE_TYPE.equals( objectType.getValueType() ) ) {
            //@todo use accessor cache            
            final FactTemplate factTemplate = ((FactTemplateObjectType) objectType).getFactTemplate();
            reader = new FactTemplateFieldExtractor( factTemplate,

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Examples of org.drools.core.spi.InternalReadAccessor

                                                            new BoundIdentifiers( Collections.EMPTY_MAP,
                                                                                  Collections.EMPTY_MAP,
                                                                                  Collections.EMPTY_MAP,
                                                                                  type.getTypeClass() ) );


            InternalReadAccessor reader = pkg.getClassFieldAccessorStore().getMVELReader( ClassUtils.getPackage( type.getTypeClass() ),
                                                                                          type.getTypeClass().getName(),
                                                                                          timestamp,
                                                                                          type.isTypesafe(),
                                                                                          results.getReturnType() );


            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 );
            Package pkg = pkgRegistry.getPackage();


            MVELDialect dialect = (MVELDialect) pkgRegistry.getDialectCompiletimeRegistry().getDialect( "mvel" );
            PackageBuildContext context = new PackageBuildContext();
            context.init( this, pkg, typeDescr, pkgRegistry.getDialectCompiletimeRegistry(), dialect, null );
            if ( !type.isTypesafe() ) {
                context.setTypesafe( false );
            }


            MVELAnalysisResult results = (MVELAnalysisResult)
                    context.getDialect().analyzeExpression( context,
                                                            typeDescr,
                                                            duration,
                                                            new BoundIdentifiers( Collections.EMPTY_MAP,
                                                                                  Collections.EMPTY_MAP,
                                                                                  Collections.EMPTY_MAP,
                                                                                  type.getTypeClass() ) );


            if ( results != null ) {
                InternalReadAccessor reader = pkg.getClassFieldAccessorStore().getMVELReader( ClassUtils.getPackage( type.getTypeClass() ),
                                                                                              type.getTypeClass().getName(),
                                                                                              duration,
                                                                                              type.isTypesafe(),
                                                                                              results.getReturnType() );

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Examples of org.drools.core.spi.InternalReadAccessor

        AccessorKey key = new AccessorKey( pkgName + className,
                                           expr,
                                           AccessorKey.AccessorType.FieldAccessor );
        FieldLookupEntry entry = (FieldLookupEntry) this.lookup.get( key );
        if ( entry == null ) {
            InternalReadAccessor reader  = getReadAcessor( className, expr, typesafe, returnType );
            entry = new FieldLookupEntry( reader );
            this.lookup.put( key,
                             entry );
        }

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Examples of org.drools.core.spi.InternalReadAccessor


    public void wire() {
        for ( Entry<AccessorKey, BaseLookupEntry> entry : lookup.entrySet() ) {
            switch ( entry.getValue().getAccessorType() ) {
                case FieldAccessor : {
                    InternalReadAccessor reader = ((FieldLookupEntry) entry.getValue()).getClassFieldReader();
                    if ( reader != null ) {
                        wire( reader );
                    }


                    ClassFieldWriter writer = ((FieldLookupEntry) entry.getValue()).getClassFieldWriter();

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Examples of org.drools.core.spi.InternalReadAccessor

            boolean needsPrimitive = ! ( expectedTypeDescr.startsWith( "L" ) || expectedTypeDescr.startsWith( "[" ) );
            String returnedType = isObject ? "Ljava/lang/Object;" : typeDescr(declaration.getTypeName());
            mv.visitMethodInsn(INVOKEVIRTUAL, Declaration.class.getName().replace('.', '/'), readMethod,
                               "(L" + InternalWorkingMemory.class.getName().replace('.', '/') +";Ljava/lang/Object;)" + returnedType);
            if (isObject) {
                InternalReadAccessor extractor = declaration.getExtractor();
                if (extractor != null) {
                    cast(extractor.getExtractToClass());
                }
            }


            if ( needsPrimitive && isObject ) {
                castToPrimitive( convertPrimitiveNameToType( declarationType) );

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