Package org.drools.compiler.rule.builder.dialect.mvel

Examples of org.drools.compiler.rule.builder.dialect.mvel.MVELDialect

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            }
        } else if ( fieldName.indexOf( '.' ) > -1 || fieldName.indexOf( '[' ) > -1 || fieldName.indexOf( '(' ) > -1 ) {
            // we need MVEL extractor for expressions
            Dialect dialect = context.getDialect();
            try {
                MVELDialect mvelDialect = (MVELDialect) context.getDialect( "mvel" );
                context.setDialect( mvelDialect );

                Map<String, Class< ? >> declarations = getDeclarationsMap( descr,
                                                                           context,
                                                                           false );
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                                          Pattern pattern,
                                          BaseDescr base,
                                          String expr,
                                          Map<String, OperatorDescr> aliases ) {
        Dialect dialect = context.getDialect();
        MVELDialect mvelDialect = (MVELDialect) context.getDialect( "mvel" );
        context.setDialect( mvelDialect );

        PredicateDescr pdescr = new PredicateDescr( context.getRuleDescr().getResource(), expr );
        pdescr.copyParameters( base );
        pdescr.copyLocation( base );
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            // we need MVEL extractor for expressions
            Dialect dialect = context.getDialect();
            Map<String, Class< ? >> globals = context.getKnowledgeBuilder().getGlobals();

            try {
                MVELDialect mvelDialect = (MVELDialect) context.getDialect( "mvel" );
                context.setDialect( mvelDialect );

                Map<String, Class< ? >> declarations = getDeclarationsMap( descr,
                                                                           context,
                                                                           false );
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    public static String fixBlockDescr(final RuleBuildContext context,
                                       final JavaAnalysisResult analysis,
                                       Map<String, Declaration> decls,
                                       List<JavaBlockDescr> blocks) {

        MVELDialect mvel = (MVELDialect) context.getDialect("mvel");


        String originalCode = analysis.getAnalyzedExpr();
        BoundIdentifiers bindings = analysis.getBoundIdentifiers();
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    private static Map<String, Class<?>> getInputs(final RuleBuildContext context,
                                                   String code,
                                                   BoundIdentifiers bindings,
                                                   Map<String, Class<?>> parentVars) {
        MVELDialect mvel = (MVELDialect) context.getDialect("mvel");

        MVELAnalysisResult mvelAnalysis = null;
        try {
            mvelAnalysis = (MVELAnalysisResult) mvel.analyzeBlock(context,
                    context.getRuleDescr(),
                    null,
                    code,
                    bindings,
                    parentVars,
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        String timestamp = (annotationDescr != null) ? annotationDescr.getSingleValue() : null;
        if (timestamp != null) {
            type.setTimestampAttribute(timestamp);
            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,
                            timestamp,
                            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(),
                        timestamp,
                        type.isTypesafe(),
                        results.getReturnType());

                MVELDialectRuntimeData data = (MVELDialectRuntimeData) pkg.getDialectRuntimeRegistry().getDialectData("mvel");
                data.addCompileable((MVELCompileable) reader);
                ((MVELCompileable) reader).compile(data);
                type.setTimestampExtractor(reader);
            } else {
                this.results.add(new TypeDeclarationError(typeDescr,
                        "Error creating field accessors for timestamp field '" + timestamp +
                                "' for type '" +
                                type.getTypeName() +
                                "'"));
            }
        }

        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);
            }
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        String name = context.getRuleName();
        RuleInfo currentRule = getCurrentRule( drlInfo,
                                               name );
        String qName = drlInfo.getPackageName() + "." + name;
        MVELDialect dialect = (MVELDialect) drlInfo.getDialectRegistry().getDialect("mvel");
        ParserContext initialContext = createInitialContext( params,
                                                             qName,
                                                             dialect );
        MvelContext mCon = new MvelContext();
        mCon.setContext( initialContext );
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        String timestamp = (annotationDescr != null) ? annotationDescr.getSingleValue() : null;
        if (timestamp != null) {
            type.setTimestampAttribute(timestamp);
            InternalKnowledgePackage pkg = pkgRegistry.getPackage();

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

            MVELAnalysisResult results = (MVELAnalysisResult)
                    context.getDialect().analyzeExpression(context,
                                                           typeDescr,
                                                           timestamp,
                                                           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(),
                                                                                             timestamp,
                                                                                             type.isTypesafe(),
                                                                                             results.getReturnType());

                MVELDialectRuntimeData data = (MVELDialectRuntimeData) pkg.getDialectRuntimeRegistry().getDialectData("mvel");
                data.addCompileable((MVELCompileable) reader);
                ((MVELCompileable) reader).compile(data);
                type.setTimestampExtractor(reader);
            } else {
                kbuilder.addBuilderResult(new TypeDeclarationError(typeDescr,
                                                                   "Error creating field accessors for timestamp field '" + timestamp +
                                                                   "' for type '" +
                                                                   type.getTypeName() +
                                                                   "'"));
            }
        }

        annotationDescr = typeDescr.getAnnotation(TypeDeclaration.ATTR_DURATION);
        String duration = (annotationDescr != null) ? annotationDescr.getSingleValue() : null;
        if (duration != null) {
            type.setDurationAttribute(duration);
            InternalKnowledgePackage pkg = pkgRegistry.getPackage();

            MVELDialect dialect = (MVELDialect) pkgRegistry.getDialectCompiletimeRegistry().getDialect("mvel");
            PackageBuildContext context = new PackageBuildContext();
            context.init(kbuilder, pkg, typeDescr, pkgRegistry.getDialectCompiletimeRegistry(), dialect, null);
            if (!type.isTypesafe()) {
                context.setTypesafe(false);
            }
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                                          Pattern pattern,
                                          BaseDescr base,
                                          String expr,
                                          Map<String, OperatorDescr> aliases ) {
        Dialect dialect = context.getDialect();
        MVELDialect mvelDialect = (MVELDialect) context.getDialect( "mvel" );
        context.setDialect( mvelDialect );

        PredicateDescr pdescr = new PredicateDescr( context.getRuleDescr().getResource(), expr );
        pdescr.copyParameters( base );
        pdescr.copyLocation( base );
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            }
        } else if ( fieldName.indexOf( '.' ) > -1 || fieldName.indexOf( '[' ) > -1 || fieldName.indexOf( '(' ) > -1 ) {
            // we need MVEL extractor for expressions
            Dialect dialect = context.getDialect();
            try {
                MVELDialect mvelDialect = (MVELDialect) context.getDialect( "mvel" );
                context.setDialect( mvelDialect );

                Map<String, Class< ? >> declarations = getDeclarationsMap( descr,
                                                                           context,
                                                                           false );
View Full Code Here
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Related Classes of org.drools.compiler.rule.builder.dialect.mvel.MVELDialect

  • org.drools.compiler.builder.impl.TypeDeclarationBuilder
  • org.drools.compiler.builder.impl.TypeDeclarationConfigurator
  • org.drools.compiler.commons.jci.readers.MemoryResourceReader
  • org.drools.compiler.compiler.AnalysisResult
  • org.drools.compiler.compiler.DescrBuildError
  • org.drools.compiler.compiler.ImportError
  • org.drools.compiler.compiler.PackageBuilder
  • org.drools.compiler.lang.descr.BaseDescr
  • org.drools.compiler.lang.descr.ImportDescr
  • org.drools.compiler.lang.descr.RuleDescr
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