Package org.drools.lang.descr

Examples of org.drools.lang.descr.ReturnValueRestrictionDescr

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        parser.startElementBuilder( localName,
                                    attrs );
        final String evaluator = attrs.getValue( "evaluator" );
        emptyAttributeCheck( localName, "evaluator", evaluator, parser );

        final ReturnValueRestrictionDescr returnValueDescr = new ReturnValueRestrictionDescr( evaluator );

        return returnValueDescr;
    }
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    public Object end(final String uri,
                      final String localName,
                      final ExtensibleXmlParser parser) throws SAXException {
        final Element element = parser.endElementBuilder();

        final ReturnValueRestrictionDescr returnValueDescr = (ReturnValueRestrictionDescr) parser.getCurrent();

        final String expression =((org.w3c.dom.Text)element.getChildNodes().item( 0 )).getWholeText();
        emptyContentCheck( localName, expression, parser );

        returnValueDescr.setContent( expression );

        final Object parent = parser.getParent();

        if ( parent instanceof FieldConstraintDescr ) {
            final FieldConstraintDescr fieldConstraintDescr = (FieldConstraintDescr) parent;
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        return true;
    }

    private Declaration[] getDeclarationsForReturnValue(RuleBuildContext context, RelationalExprDescr relDescr, String operator, String value2) {
        Pattern pattern = (Pattern) context.getBuildStack().peek();
        ReturnValueRestrictionDescr returnValueRestrictionDescr = new ReturnValueRestrictionDescr( operator,
                                                                                                   relDescr.isNegated(),
                                                                                                   relDescr.getParametersText(),
                                                                                                   value2 );

        Map<String, Class< ? >> declarationsMap = getDeclarationsMap( returnValueRestrictionDescr,
                context,
                true );
        Class< ? > thisClass = null;
        if ( pattern.getObjectType() instanceof ClassObjectType ) {
            thisClass = ((ClassObjectType) pattern.getObjectType()).getClassType();
        }

        Map<String, Class< ? >> globals = context.getPackageBuilder().getGlobals();
        AnalysisResult analysis = context.getDialect().analyzeExpression( context,
                returnValueRestrictionDescr,
                returnValueRestrictionDescr.getContent(),
                new BoundIdentifiers( declarationsMap,
                        globals,
                        null,
                        thisClass ) );
        if ( analysis == null ) {
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        assertEquals( "!=",
                      litDescr.getEvaluator() );
        assertEquals( "zzz",
                      litDescr.getText() );
       
        ReturnValueRestrictionDescr retDescr = (ReturnValueRestrictionDescr) restrictionList.get( 2 );
        assertEquals( "!=",
                      retDescr.getEvaluator() );
       
        LispForm lispForm = ( LispForm ) retDescr.getContent();
        assertEquals("(+ 2 3)", lispForm.toString() );                        

        // ----------------
        // this is how it would be compatible to our core engine
        PredicateDescr predicateDescr = (PredicateDescr) colList.get( 2 );
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Related Classes of org.drools.lang.descr.ReturnValueRestrictionDescr

  • org.drools.clips.LhsClpParserTest
  • org.drools.compiler.PackageBuilderTest
  • org.drools.compiler.xml.rules.ReturnValueRestrictionHandler
  • org.drools.compiler.xml.rules.XmlPackageReaderTest
  • org.drools.lang.RuleParserTest
  • org.drools.rule.builder.dialect.clips.ClipsDialect
  • org.drools.rule.builder.dialect.mvel.MVELReturnValueBuilderTest
  • org.drools.rule.builder.PatternBuilder
  • org.drools.xml.ReturnValueRestrictionHandler
  • org.drools.xml.rules.ReturnValueRestrictionHandler
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