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

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

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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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                        null,
                        "Predicate '" + predicateDescr.getContent() + "' must be a Boolean expression\n" + predicateDescr.positionAsString() ) );
            }
        }

        MVELDialect dialect = (MVELDialect) context.getDialect( context.getDialect().getId() );

        MVELCompilationUnit unit = null;

        try {
            Map<String, Class< ? >> declIds = context.getDeclarationResolver().getDeclarationClasses( context.getRule() );

            Pattern p = (Pattern) context.getBuildStack().peek();
            if ( p.getObjectType() instanceof ClassObjectType) {
                declIds.put( "this",
                        ((ClassObjectType) p.getObjectType()).getClassType() );
            }

            unit = dialect.getMVELCompilationUnit( (String) predicateDescr.getContent(),
                                                    analysis,
                                                    previousDeclarations,
                                                    localDeclarations,
                                                    null,
                                                    context,
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    private Declaration[] getDeclarationsForReturnValue(RuleBuildContext context, RelationalExprDescr relDescr, String operator, String value2, InternalReadAccessor extractor) {
        Dialect dialect = context.getDialect();
        if ( !value2.startsWith( "(" ) ) {
            // it's not a traditional return value, so override the dialect
            MVELDialect mvelDialect = (MVELDialect) context.getDialect( "mvel" );
            context.setDialect( mvelDialect );
        }

        Pattern pattern = (Pattern) context.getBuildStack().peek();
        ReturnValueRestrictionDescr returnValueRestrictionDescr = new ReturnValueRestrictionDescr( operator,
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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 );
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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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                        null,
                        "Predicate '" + predicateDescr.getContent() + "' must be a Boolean expression\n" + predicateDescr.positionAsString() ) );
            }
        }

        MVELDialect dialect = (MVELDialect) context.getDialect( context.getDialect().getId() );

        MVELCompilationUnit unit = null;

        try {
            Map<String, Class< ? >> declIds = context.getDeclarationResolver().getDeclarationClasses( context.getRule() );

            Pattern p = (Pattern) context.getBuildStack().peek();
            if ( p.getObjectType() instanceof ClassObjectType) {
                declIds.put( "this",
                        ((ClassObjectType) p.getObjectType()).getClassType() );
            }

            unit = dialect.getMVELCompilationUnit( (String) predicateDescr.getContent(),
                                                    analysis,
                                                    previousDeclarations,
                                                    localDeclarations,
                                                    null,
                                                    context,
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    }

    protected String fixBlockDescr(final RuleBuildContext context,
                                   final JavaAnalysisResult analysis,
                                   final String originalCode) {
        MVELDialect mvel = (MVELDialect) context.getDialect( "mvel" );

        // sorting exit points for correct order iteration
        List<JavaBlockDescr> blocks = analysis.getBlockDescrs();
        Collections.sort( blocks,
                          new Comparator<JavaBlockDescr>() {
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Related Classes of org.drools.rule.builder.dialect.mvel.MVELDialect

  • org.drools.base.ModifyInterceptor
  • org.drools.base.mvel.DroolsMVELKnowledgeHelper
  • org.drools.base.mvel.MVELCompilationUnit
  • org.drools.commons.jci.readers.MemoryResourceReader
  • org.drools.compiler.AnalysisResult
  • org.drools.compiler.DescrBuildError
  • org.drools.compiler.ImportError
  • org.drools.compiler.PackageBuilder
  • org.drools.compiler.RuleError
  • org.drools.eclipse.editors.completion.RuleCompletionProcessor
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