Package org.drools.rule

Examples of org.drools.rule.MVELDialectRuntimeData

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        return conditionEvaluator.evaluate(object, workingMemory, leftTuple);
    }

    private 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);
        } else {
            conditionEvaluator = new MvelConditionEvaluator(getParserConfiguration(workingMemory), expression, declarations);
        }
    }
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                                                                       context );             
            MVELAction expr = new MVELAction( unit, context.getDialect().getId() );  
            expr.setVariableNames(analysis.getNotBoundedIdentifiers());
            action.setMetaData("Action",  expr );
           
            MVELDialectRuntimeData data = (MVELDialectRuntimeData) context.getPkg().getDialectRuntimeRegistry().getDialectData( dialect.getId() );           
            data.addCompileable( action,
                                  expr ); 
           
            expr.compile( context.getPackageBuilder().getRootClassLoader() );
        } catch ( final Exception e ) {
            context.getErrors().add( new DescrBuildError( context.getParentDescr(),
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                                 null );

        // do we have any functions for this namespace?
        Package pkg = workingMemory.getRuleBase().getPackage( "MAIN" );
        if ( pkg != null ) {
            MVELDialectRuntimeData data = ( MVELDialectRuntimeData ) pkg.getDialectRuntimeRegistry().getDialectData( this.id );
            factory.setNextFactory( data.getFunctionFactory() );
        }

        return org.drools.base.FieldFactory.getFieldValue( MVEL.executeExpression( this.expr,
                                                                                   null,
                                                                                   factory ) );
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        // this.pkg.getDialectRuntimeRegistry() );
        //       
        // this.pkg.getDialectRuntimeRegistry().setDialectData( ID,
        // this.data );

        MVELDialectRuntimeData data = null;
        // 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() );
        }

        this.results = new ArrayList();
        this.src = new MemoryResourceReader();
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                                   null,
                                   null,
                                   null,
                                   null );
        Map<String, org.mvel2.ast.Function> map = org.mvel2.util.CompilerTools.extractAllDeclaredFunctions( (org.mvel2.compiler.CompiledExpression) s1 );
        MVELDialectRuntimeData data = (MVELDialectRuntimeData) this.packageRegistry.getDialectRuntimeRegistry().getDialectData( getId() );
        for ( org.mvel2.ast.Function function : map.values() ) {
            data.addFunction( function );
        }
    }
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    private void setInputs( RuleBuildContext context,
                            ExprBindings descrBranch,
                            Class<?> thisClass,
                            String expr ) {
        MVELDialectRuntimeData data = (MVELDialectRuntimeData) context.getPkg().getDialectRuntimeRegistry().getDialectData( "mvel" );
        ParserConfiguration conf = data.getParserConfiguration();

        conf.setClassLoader( context.getPackageBuilder().getRootClassLoader() );

        final ParserContext pctx = new ParserContext( conf );
        pctx.setStrictTypeEnforcement( false );
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        FieldValue field = null;
        ValueType vtype = extractor.getValueType();
        try {
            String value = literalRestrictionDescr.getText().trim();

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

            Object o = MVEL.executeExpression( MVEL.compileExpression( value,
                                                                       pctx ) );
            if ( o != null && vtype == null ) {
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            try {
                reader = context.getPkg().getClassFieldAccessorStore().getMVELReader( context.getPkg().getName(),
                                                                                      ((ClassObjectType) objectType).getClassName(),
                                                                                      fieldName,
                                                                                      context.isTypesafe() );
                MVELDialectRuntimeData data = (MVELDialectRuntimeData) context.getPkg().getDialectRuntimeRegistry().getDialectData( "mvel" );
                data.addCompileable( (MVELCompileable) reader );
                ((MVELCompileable) reader).compile( data );
            } catch ( final Exception e ) {
                if ( reportError ) {
                    context.getErrors().add( new DescrBuildError( context.getParentDescr(),
                                                                  descr,
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                                                           rule, null, (LeftTuple) khelper.getActivation().getTuple(), null, (InternalWorkingMemory) workingMemory, workingMemory.getGlobalResolver() );
       
        // do we have any functions for this namespace?
        Package pkg = workingMemory.getRuleBase().getPackage( "MAIN" );
        if ( pkg != null ) {
            MVELDialectRuntimeData data = (MVELDialectRuntimeData) pkg.getDialectRuntimeRegistry().getDialectData( this.id );
            factory.setNextFactory( data.getFunctionFactory() );
        }

        return ((Number) MVEL.executeExpression( this.expr,
                                                 factory )).intValue();
    }
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            final Accumulate accumulate = new Accumulate( source,
                                                          declarations,
                                                          sourceDeclArr,
                                                          new Accumulator[] { accumulator } );

            MVELDialectRuntimeData data = (MVELDialectRuntimeData) context.getPkg().getDialectRuntimeRegistry().getDialectData( "mvel" );
            data.addCompileable( accumulate,
                                 (MVELCompileable) accumulator );

            ((MVELCompileable) accumulator).compile( context.getPackageBuilder().getRootClassLoader() );

            return accumulate;
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Related Classes of org.drools.rule.MVELDialectRuntimeData

  • org.drools.base.extractors.MVELClassFieldExtractorTest
  • org.drools.base.mvel.MVELAccumulator
  • org.drools.base.mvel.MVELAction
  • org.drools.base.mvel.MVELCompileable
  • org.drools.base.mvel.MVELConsequence
  • org.drools.base.mvel.MVELEnabledExpression
  • org.drools.base.mvel.MVELEvalExpression
  • org.drools.base.mvel.MVELObjectExpression
  • org.drools.base.mvel.MVELPredicateExpression
  • org.drools.base.mvel.MVELReturnValueEvaluator
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