Package org.drools.core.rule

Examples of org.drools.core.rule.MVELDialectRuntimeData

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            MVEL.COMPILER_OPT_ALLOW_NAKED_METH_CALL = true;
            MVEL.COMPILER_OPT_ALLOW_OVERRIDE_ALL_PROPHANDLING = true;
            MVEL.COMPILER_OPT_ALLOW_RESOLVE_INNERCLASSES_WITH_DOTNOTATION = true;
            MVEL.COMPILER_OPT_SUPPORT_JAVA_STYLE_CLASS_LITERALS = true;

            MVELDialectRuntimeData data = (MVELDialectRuntimeData) context.getPkg().getDialectRuntimeRegistry().getDialectData( "mvel" );
            ParserConfiguration pconf = data.getParserConfiguration();
            ParserContext pctx = new ParserContext( pconf );

            Object o = MVELSafeHelper.getEvaluator().executeExpression( MVEL.compileExpression( value,
                    pctx ) );
            if ( o != null && vtype == null ) {
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                                                                                      ((ClassObjectType) objectType).getClassName(),
                                                                                      fieldName,
                                                                                      context.isTypesafe(),
                                                                                      ((MVELAnalysisResult)analysis).getReturnType() );
               
                MVELDialectRuntimeData data = (MVELDialectRuntimeData) context.getPkg().getDialectRuntimeRegistry().getDialectData( "mvel" );
                ((MVELCompileable) reader).compile( data );
                data.addCompileable( (MVELCompileable) reader );
            } catch ( final Exception e ) {
                int dotPos = fieldName.indexOf('.');
                String varName = dotPos > 0 ? fieldName.substring(0, dotPos).trim() : fieldName;
                if (globals.containsKey(varName)) {
                    return null;
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            MVELEnabledExpression expr = new MVELEnabledExpression( unit,
                                                                    dialect.getId() );
            context.getRule().setEnabled( KiePolicyHelper.isPolicyEnabled() ? new SafeEnabled(expr) : expr );

            MVELDialectRuntimeData data = (MVELDialectRuntimeData) context.getPkg().getDialectRuntimeRegistry().getDialectData( "mvel" );
            data.addCompileable( context.getRule(),
                                 expr );

            expr.compile( data );
        } catch ( final Exception e ) {
            DialectUtil.copyErrorLocation(e, context.getRuleDescr());
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            MVELEvalExpression expr = new MVELEvalExpression( unit,
                                                              dialect.getId() );
            eval.setEvalExpression( KiePolicyHelper.isPolicyEnabled() ? new SafeEvalExpression(expr) : expr );

            MVELDialectRuntimeData data = (MVELDialectRuntimeData) context.getPkg().getDialectRuntimeRegistry().getDialectData( "mvel" );
            data.addCompileable( eval,
                                  expr );

            expr.compile( data );
            return eval;
        } catch ( final Exception e ) {
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        // this.pkg.getDialectRuntimeRegistry().setDialectData( ID,
        // this.data );

        // initialise the dialect runtime data if it doesn't already exist
        if ( pkg.getDialectRuntimeRegistry().getDialectData( getId() ) == null ) {
            data = new MVELDialectRuntimeData();
            this.pkg.getDialectRuntimeRegistry().setDialectData( getId(),
                                                                 data );
            data.onAdd( this.pkg.getDialectRuntimeRegistry(),
                        this.pkgBuilder.getRootClassLoader() );
        } else {
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                        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);
            }

            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());

                MVELDialectRuntimeData data = (MVELDialectRuntimeData) pkg.getDialectRuntimeRegistry().getDialectData("mvel");
                data.addCompileable((MVELCompileable) reader);
                ((MVELCompileable) reader).compile(data);
                type.setDurationExtractor(reader);
            } else {
                this.results.add(new TypeDeclarationError(typeDescr,
                        "Error processing @duration for TypeDeclaration '" + type.getFullName() +
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                                                                                          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() );

                MVELDialectRuntimeData data = (MVELDialectRuntimeData) pkg.getDialectRuntimeRegistry().getDialectData( "mvel" );
                data.addCompileable( (MVELCompileable) reader );
                ((MVELCompileable) reader).compile( data );
                type.setDurationExtractor( reader );
            } else {
                this.results.add( new TypeDeclarationError( typeDescr,
                                                            "Error processing @duration for TypeDeclaration '" + type.getFullName() +
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        return conditionEvaluator.evaluate(object, workingMemory, leftTuple);
    }

    protected void createMvelConditionEvaluator(InternalWorkingMemory workingMemory) {
        if (compilationUnit != null) {
            MVELDialectRuntimeData data = getMVELDialectRuntimeData(workingMemory);
            ExecutableStatement statement = (ExecutableStatement)compilationUnit.getCompiledExpression(data);
            ParserConfiguration configuration = statement instanceof CompiledExpression ?
                    ((CompiledExpression)statement).getParserConfiguration() :
                    data.getParserConfiguration();
            conditionEvaluator = new MvelConditionEvaluator(compilationUnit, configuration, statement, declarations, getAccessedClass());
        } else {
            conditionEvaluator = new MvelConditionEvaluator(getParserConfiguration(workingMemory), expression, declarations, getAccessedClass());
        }
    }
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                                                              buildContext.getKnowledgeBase().getConfiguration() );
                    break;                                       
                       
            }           

            MVELDialectRuntimeData data = (MVELDialectRuntimeData) buildContext.getKnowledgeBase().getPackage( buildContext.getRule().getPackageName() ).getDialectRuntimeRegistry().getDialectData( "mvel" );
            data.onAdd( null, buildContext.getKnowledgeBase().getRootClassLoader() );
            //MvelD data = (MVELDialectRuntimeData) buildContext.getRuleBase().getPackage( buildContext.getRule().getName() ).getDialectRuntimeRegistry().getDialectData( "mvel" );
           
            NodeTestCase testCase = (NodeTestCase) context.get( "TestCase" );

            try {
                for ( String imp : testCase.getImports() ) {
                    if ( imp.endsWith( ".*" ) ) {
                        data.addPackageImport( imp.substring( 0,
                                                imp.lastIndexOf( '.' ) ) );
                    } else {
                        //classImports.add( imp );
                        cls = data.getRootClassLoader().loadClass( imp ) ;
                        data.addImport( cls.getSimpleName(),  cls);
                    }
                } 
            } catch (Exception e) {
                throw new RuntimeException("Unable to load class",e );
            }
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                                                      String qualifiedName,
                                                      MVELDialect dialect) {

        //Lookup ParserConfiguration to retrieve imports and package imports
        PackageRegistry packageRegistry = dialect.getPackageRegistry();
        MVELDialectRuntimeData data = (MVELDialectRuntimeData) packageRegistry.getDialectRuntimeRegistry().getDialectData( dialect.getId() );
        ParserConfiguration pconf = data.getParserConfiguration();

        final ParserContext context = new ParserContext( pconf.getImports(),
                                                         null,
                                                         qualifiedName );
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Related Classes of org.drools.core.rule.MVELDialectRuntimeData

  • org.drools.compiler.builder.impl.TypeDeclarationBuilder
  • org.drools.compiler.builder.impl.TypeDeclarationConfigurator
  • org.drools.compiler.compiler.PackageBuilder
  • org.drools.compiler.phreak.PhreakJoinNodeTest
  • org.drools.compiler.phreak.PhreakNotNodeTest
  • org.drools.compiler.phreak.ScenarioTest
  • org.drools.compiler.phreak.SegmentPropagationTest
  • org.drools.compiler.rule.builder.dialect.mvel.MVELAccumulateBuilder
  • org.drools.compiler.rule.builder.dialect.mvel.MVELConsequenceBuilder
  • org.drools.compiler.rule.builder.dialect.mvel.MVELDialect
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