Package org.drools.lang.descr

Examples of org.drools.lang.descr.ReturnValueRestrictionDescr

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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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        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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                      fld.getFieldName() );
    }

    public void testChunkWithoutParens() throws Exception {
        String input = "( foo )";
        ReturnValueRestrictionDescr returnData = (ReturnValueRestrictionDescr) parse( "paren_chunk",
                                                                                      "fact_expression",
                                                                                      input );

        assertEquals( "( foo )",
                      input.substring( returnData.getStartCharacter(),
                                       returnData.getEndCharacter() ) );
    }
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                                       returnData.getEndCharacter() ) );
    }

    public void testChunkWithParens() throws Exception {
        String input = "(fnord())";
        ReturnValueRestrictionDescr returnData = (ReturnValueRestrictionDescr) parse( "paren_chunk",
                                                                                      "fact_expression",
                                                                                      input );

        assertEquals( "(fnord())",
                      input.substring( returnData.getStartCharacter(),
                                       returnData.getEndCharacter() ) );
    }
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                                       returnData.getEndCharacter() ) );
    }

    public void testChunkWithParensAndQuotedString() throws Exception {
        String input = "( fnord( \"cheese\" ) )";
        ReturnValueRestrictionDescr returnData = (ReturnValueRestrictionDescr) parse( "paren_chunk",
                                                                                      "fact_expression",
                                                                                      input );

        assertEquals( "( fnord( \"cheese\" ) )",
                      input.substring( returnData.getStartCharacter(),
                                       returnData.getEndCharacter() ) );
    }
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                                       returnData.getEndCharacter() ) );
    }

    public void testChunkWithRandomCharac5ters() throws Exception {
        String input = "( %*9dkj)";
        ReturnValueRestrictionDescr returnData = (ReturnValueRestrictionDescr) parse( "paren_chunk",
                                                                                      "fact_expression",
                                                                                      input );

        assertEquals( "( %*9dkj)",
                      input.substring( returnData.getStartCharacter(),
                                       returnData.getEndCharacter() ) );
    }
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        assertEquals( 1,
                      col.getConstraint().getDescrs().size() );
        assertEquals( "Foo",
                      col.getObjectType() );
        final FieldConstraintDescr fld = (FieldConstraintDescr) col.getConstraint().getDescrs().get( 0 );
        final ReturnValueRestrictionDescr retval = (ReturnValueRestrictionDescr) fld.getRestrictions().get( 0 );

        assertEquals( "a + b",
                      retval.getContent() );
        assertEquals( "name",
                      fld.getFieldName() );
        assertEquals( "==",
                      retval.getEvaluator() );
    }
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        map.put( "b",
                 b );
        declarationResolver.setDeclarations( map );
        context.setDeclarationResolver( declarationResolver );

        final ReturnValueRestrictionDescr returnValueDescr = new ReturnValueRestrictionDescr( "=" );
        returnValueDescr.setContent( "a + b" );

        final MVELReturnValueBuilder builder = new MVELReturnValueBuilder();

        final Declaration[] previousDeclarations = new Declaration[]{a, b};
        final Declaration[] localDeclarations = new Declaration[]{};
        final String[] requiredGlobals = new String[]{};

        final ReturnValueRestriction returnValue = new ReturnValueRestriction( extractor,
                                                                               previousDeclarations,
                                                                               localDeclarations,
                                                                               requiredGlobals,
                                                                               context.getConfiguration().getEvaluatorRegistry().getEvaluator( ValueType.PINTEGER_TYPE,
                                                                                                                                               Operator.EQUAL ) );
        AnalysisResult analysis = context.getDialect().analyzeExpression( context,
                                                                          returnValueDescr,
                                                                          returnValueDescr.getContent(),
                                                                          new BoundIdentifiers( declarationResolver.getDeclarationClasses( (Rule) null ), new HashMap(), null, Cheese.class ) );
        context.getBuildStack().push( patternB );
        builder.build( context,
                       analysis.getBoundIdentifiers(),
                       previousDeclarations,
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        if ( evaluator == null || evaluator.trim().equals( "" ) ) {
            throw new SAXParseException( "<return-value-restriction> requires an 'evaluator' attribute",
                                         this.xmlPackageReader.getLocator() );
        }

        final ReturnValueRestrictionDescr returnValueDescr = new ReturnValueRestrictionDescr( evaluator );

        return returnValueDescr;
    }
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    public Object end(final String uri,
                      final String localName) throws SAXException {
        final Configuration config = this.xmlPackageReader.endConfiguration();

        final ReturnValueRestrictionDescr returnValueDescr = (ReturnValueRestrictionDescr) this.xmlPackageReader.getCurrent();

        final String expression = config.getText();

        if ( expression == null || expression.trim().equals( "" ) ) {
            throw new SAXParseException( "<return-value-restriction> must have some content",
                                         this.xmlPackageReader.getLocator() );
        }

        returnValueDescr.setContent( expression );

        final LinkedList parents = this.xmlPackageReader.getParents();
        final ListIterator it = parents.listIterator( parents.size() );
        it.previous();
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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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