Package org.drools.compiler

Examples of org.drools.compiler.Dialect

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        return evaluator;
    }

    public static MVELCompilationUnit buildCompilationUnit(RuleBuildContext context, Pattern pattern, String expression) {
        Dialect dialect = context.getDialect();
        context.setDialect( context.getDialect( "mvel" ) );

        PredicateDescr predicateDescr = new PredicateDescr( context.getRuleDescr().getResource(), expression );
        AnalysisResult analysis = buildAnalysis(context, pattern, predicateDescr, null);
        if ( analysis == null ) {
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                    restriction = new UnificationRestriction( (VariableRestriction) restriction );
                }
            }

            if ( restriction == null ) {
                Dialect dialect = context.getDialect();
                if ( !rightValue.startsWith( "(" ) ) {
                    // it's not a traditional return value, so override the dialect
                    MVELDialect mvelDialect = (MVELDialect) context.getDialect( "mvel" );
                    context.setDialect( mvelDialect );
                }
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    private void createAndBuildPredicate( RuleBuildContext context,
                                          Pattern pattern,
                                          String expr,
                                          Map<String, OperatorDescr> aliases ) {
        Dialect dialect = context.getDialect();
        MVELDialect mvelDialect = (MVELDialect) context.getDialect( "mvel" );
        context.setDialect( mvelDialect );

        PredicateDescr pdescr = new PredicateDescr( expr );
        buildEval( context,
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                splitNode.setConstraint( outgoingConnection, returnValueConstraint );           
               
                ReturnValueDescr returnValueDescr = new ReturnValueDescr();
                returnValueDescr.setText( constraint.getConstraint() );
               
                Dialect dialect = context.getDialectRegistry().getDialect( constraint.getDialect() );                              
                dialect.getReturnValueEvaluatorBuilder().build( context, returnValueConstraint, returnValueDescr, (NodeImpl) node );
            }
        }
    }
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                restriction = new UnificationRestriction( (VariableRestriction) restriction );
            }
        }

        if ( restriction == null ) {
            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 );
            }
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    private void createAndBuildPredicate( RuleBuildContext context,
                                          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.copyLocation( base );
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            if ( target != null ) {
                target.setReadAccessor( reader );
            }
        } 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,
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        if ( this.rule.getDialect() == null ) {
            this.rule.setDialect( getDialect().getId() );
        }

        Dialect dialect = getDialect();
        if ( dialect != null ) {
            dialect.init( ruleDescr );
        }
       
     
    }
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        return evaluator;
    }

    public static MVELCompilationUnit buildCompilationUnit(RuleBuildContext context, Pattern pattern, String expression) {
        Dialect dialect = context.getDialect();
        context.setDialect( context.getDialect( "mvel" ) );

        PredicateDescr predicateDescr = new PredicateDescr( context.getRuleDescr().getResource(), expression );
        AnalysisResult analysis = buildAnalysis(context, pattern, predicateDescr, null);
        if ( analysis == null ) {
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        pattern.addConstraint( getConstraintBuilder( context ).buildVariableConstraint(context, pattern, expr, declarations, value1, relDescr.getOperatorDescr(), value2, extractor, declr, relDescr) );
        return true;
    }

    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 );
        }
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Related Classes of org.drools.compiler.Dialect

  • org.drools.process.builder.ActionNodeBuilder
  • org.drools.process.builder.ExtendedNodeBuilder
  • org.drools.process.builder.SplitNodeBuilder
  • org.drools.process.builder.StoreNodeBuilder
  • org.drools.rule.builder.ConstraintBuilder
  • org.drools.rule.builder.dialect.java.JavaAccumulateBuilderTest
  • org.drools.rule.builder.dialect.java.RuleBuilderTest
  • org.drools.rule.builder.dialect.mvel.MVELConsequenceBuilderTest
  • org.drools.rule.builder.MVELConstraintBuilder
  • org.drools.rule.builder.PatternBuilder
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