Package org.drools.lang.descr

Examples of org.drools.lang.descr.LiteralRestrictionDescr

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        assertEquals( "hobby1",
                      col.getObjectType() );
        FieldConstraintDescr fieldConstraintDescr = (FieldConstraintDescr) col.getDescrs().get( 0 );
        assertEquals( "type",
                      fieldConstraintDescr.getFieldName() ); //        
        LiteralRestrictionDescr litDescr = (LiteralRestrictionDescr) fieldConstraintDescr.getRestrictions().get( 0 );
        assertEquals( "==",
                      litDescr.getEvaluator() );
        assertEquals( "qqq1",
                      litDescr.getText() );

        NotDescr notDescr = (NotDescr) orDescr.getDescrs().get( 1 );
        assertEquals( 1,
                      notDescr.getDescrs().size() );
       
        AndDescr andDescr = (AndDescr) notDescr.getDescrs().get( 0 );
        assertEquals( 2, andDescr.getDescrs().size() );
        ExistsDescr existsDescr = (ExistsDescr) andDescr.getDescrs().get( 0 );
        col = (PatternDescr) existsDescr.getDescrs().get( 0 );
        assertEquals( "person",
                      col.getObjectType() );
        fieldConstraintDescr = (FieldConstraintDescr) col.getDescrs().get( 0 );
        assertEquals( "name",
                      fieldConstraintDescr.getFieldName() ); //        
        litDescr = (LiteralRestrictionDescr) fieldConstraintDescr.getRestrictions().get( 0 );
        assertEquals( "==",
                      litDescr.getEvaluator() );
        assertEquals( "ppp",
                      litDescr.getText() );
       
        col = (PatternDescr) andDescr.getDescrs().get( 1 );
        assertEquals( "person",
                      col.getObjectType() );
        fieldConstraintDescr = (FieldConstraintDescr) col.getDescrs().get( 0 );
        assertEquals( "name",
                      fieldConstraintDescr.getFieldName() ); //        
        litDescr = (LiteralRestrictionDescr) fieldConstraintDescr.getRestrictions().get( 0 );
        assertEquals( "==",
                      litDescr.getEvaluator() );
        assertEquals( "yyy",
                      litDescr.getText() );
    }
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        assertEquals( 3,
                      restrictionList.size() );

        // first we have a literal restriction
        LiteralRestrictionDescr litDescr = (LiteralRestrictionDescr) restrictionList.get( 0 );
        assertEquals( "==",
                      litDescr.getEvaluator() );
        assertEquals( "yyy",
                      litDescr.getText() );

        // second, we have another literal restriction
        litDescr = (LiteralRestrictionDescr) restrictionList.get( 1 );
        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 );
       
        lispForm = ( LispForm ) predicateDescr.getContent();
        assertEquals("(< 1 2)", lispForm.toString() );               

        // -----------------
        // Parse the second column
        PatternDescr hobbyPattern = (PatternDescr) lhsList.get( 1 );
        assertEquals( "$c",
                      hobbyPattern.getIdentifier() );
        assertEquals( "hobby",
                      hobbyPattern.getObjectType() );

        colList = hobbyPattern.getDescrs();
        assertEquals( 3,
                      colList.size() );

        fbd = (FieldBindingDescr) colList.get( 0 );
        assertEquals( "$bf2",
                      fbd.getIdentifier() );
        assertEquals( "type",
                      fbd.getFieldName() );
       
        fieldConstraintDescr = (FieldConstraintDescr) colList.get( 1 );
        restrictionList = fieldConstraintDescr.getRestrictions();

        assertEquals( "type",
                      fieldConstraintDescr.getFieldName() );

        assertEquals( RestrictionConnectiveDescr.AND,
                      fieldConstraintDescr.getRestriction().getConnective() );

        litDescr = (LiteralRestrictionDescr) restrictionList.get( 0 );
        assertEquals( "!=",
                      litDescr.getEvaluator() );
        assertEquals( "iii",
                      litDescr.getText() );

        fieldConstraintDescr = (FieldConstraintDescr) colList.get( 2 );
        restrictionList = fieldConstraintDescr.getRestrictions();

        assertEquals( "rating",
                      fieldConstraintDescr.getFieldName() );

        litDescr = (LiteralRestrictionDescr) restrictionList.get( 0 );
        assertEquals( "==",
                      litDescr.getEvaluator() );
        assertEquals( "fivestar",
                      litDescr.getText() );
    }
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        assertEquals( "person",
                      col.getObjectType() );
        FieldConstraintDescr fieldConstraintDescr = (FieldConstraintDescr) col.getDescrs().get( 0 );
        assertEquals( "name",
                      fieldConstraintDescr.getFieldName() ); //        
        LiteralRestrictionDescr litDescr = (LiteralRestrictionDescr) fieldConstraintDescr.getRestrictions().get( 0 );
        assertEquals( "==",
                      litDescr.getEvaluator() );
        assertEquals( "yyy",
                      litDescr.getText() );

        OrDescr orDescr = (OrDescr) lhsList.get( 1 );
        assertEquals( 2,
                      orDescr.getDescrs().size() );

        AndDescr andDescr = (AndDescr) orDescr.getDescrs().get( 0 );
        col = (PatternDescr) andDescr.getDescrs().get( 0 );
        assertEquals( "hobby1",
                      col.getObjectType() );
        fieldConstraintDescr = (FieldConstraintDescr) col.getDescrs().get( 0 );
        assertEquals( "type",
                      fieldConstraintDescr.getFieldName() ); //        
        litDescr = (LiteralRestrictionDescr) fieldConstraintDescr.getRestrictions().get( 0 );
        assertEquals( "==",
                      litDescr.getEvaluator() );
        assertEquals( "qqq1",
                      litDescr.getText() );

        col = (PatternDescr) andDescr.getDescrs().get( 1 );
        assertEquals( "hobby2",
                      col.getObjectType() );
        fieldConstraintDescr = (FieldConstraintDescr) col.getDescrs().get( 0 );
        assertEquals( "type",
                      fieldConstraintDescr.getFieldName() ); //        
        litDescr = (LiteralRestrictionDescr) fieldConstraintDescr.getRestrictions().get( 0 );
        assertEquals( "!=",
                      litDescr.getEvaluator() );
        assertEquals( "qqq2",
                      litDescr.getText() );

        col = (PatternDescr) orDescr.getDescrs().get( 1 );
        assertEquals( "food",
                      col.getObjectType() );
        fieldConstraintDescr = (FieldConstraintDescr) col.getDescrs().get( 0 );
        assertEquals( "veg",
                      fieldConstraintDescr.getFieldName() ); //        
        litDescr = (LiteralRestrictionDescr) fieldConstraintDescr.getRestrictions().get( 0 );
        assertEquals( "!=",
                      litDescr.getEvaluator() );
        assertEquals( "shroom",
                      litDescr.getText() );
    }
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        assertEquals( "hobby1",
                      col.getObjectType() );
        FieldConstraintDescr fieldConstraintDescr = (FieldConstraintDescr) col.getDescrs().get( 0 );
        assertEquals( "type",
                      fieldConstraintDescr.getFieldName() ); //        
        LiteralRestrictionDescr litDescr = (LiteralRestrictionDescr) fieldConstraintDescr.getRestrictions().get( 0 );
        assertEquals( "==",
                      litDescr.getEvaluator() );
        assertEquals( "qqq1",
                      litDescr.getText() );

        NotDescr notDescr = (NotDescr) orDescr.getDescrs().get( 1 );
        assertEquals( 1,
                      notDescr.getDescrs().size() );
       
        AndDescr andDescr = (AndDescr) notDescr.getDescrs().get( 0 );
        assertEquals( 2, andDescr.getDescrs().size() );
        ExistsDescr existsDescr = (ExistsDescr) andDescr.getDescrs().get( 0 );
        col = (PatternDescr) existsDescr.getDescrs().get( 0 );
        assertEquals( "person",
                      col.getObjectType() );
        fieldConstraintDescr = (FieldConstraintDescr) col.getDescrs().get( 0 );
        assertEquals( "name",
                      fieldConstraintDescr.getFieldName() ); //        
        litDescr = (LiteralRestrictionDescr) fieldConstraintDescr.getRestrictions().get( 0 );
        assertEquals( "==",
                      litDescr.getEvaluator() );
        assertEquals( "ppp",
                      litDescr.getText() );             
       
        col = (PatternDescr) andDescr.getDescrs().get( 1 );
        assertEquals( "person",
                      col.getObjectType() );
        fieldConstraintDescr = (FieldConstraintDescr) col.getDescrs().get( 0 );
        assertEquals( "name",
                      fieldConstraintDescr.getFieldName() ); //        
        litDescr = (LiteralRestrictionDescr) fieldConstraintDescr.getRestrictions().get( 0 );
        assertEquals( "==",
                      litDescr.getEvaluator() );
        assertEquals( "yyy",
                      litDescr.getText() ); 
    }
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        if ( text == null || text.trim().equals( "" ) ) {
            throw new SAXParseException( "<literal-restriction>  requires an 'value' attribute",
                                         this.xmlPackageReader.getLocator() );
        }

        final LiteralRestrictionDescr literalDescr = new LiteralRestrictionDescr( evaluator,
                                                                                  text );

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

        final LiteralRestrictionDescr literalDescr = (LiteralRestrictionDescr) this.xmlPackageReader.getCurrent();

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

        ValueType vtype = extractor.getValueType();
        String operator = relDescr.getOperator().trim();
        LiteralRestrictionDescr restrictionDescr = buildLiteralRestrictionDescr(context, relDescr, value2, operator, isConstant);

        if (restrictionDescr != null) {
            FieldValue field = getFieldValue(context, vtype, restrictionDescr);
            if (field != null) {
                Constraint constraint = getConstraintBuilder( context ).buildLiteralConstraint(context, pattern, vtype, field, expr, value1, operator, value2, extractor, restrictionDescr);
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                                         String rightValue,
                                         String operator,
                                         boolean isRightLiteral) {
        // is it a literal? Does not include enums
        if ( isRightLiteral )
            return new LiteralRestrictionDescr(operator, exprDescr.isNegated(), exprDescr.getParameters(), rightValue, LiteralRestrictionDescr.TYPE_STRING);

        // is it an enum?
        int dotPos = rightValue.lastIndexOf( '.' );
        if ( dotPos >= 0 ) {
            final String mainPart = rightValue.substring( 0,
                                                     dotPos );
            String lastPart = rightValue.substring( dotPos + 1 );
            try {
                context.getDialect().getTypeResolver().resolveType( mainPart );
                if ( lastPart.indexOf( '(' ) < 0 && lastPart.indexOf( '.' ) < 0 && lastPart.indexOf( '[' ) < 0 ) {
                    return new LiteralRestrictionDescr(operator, exprDescr.isNegated(), exprDescr.getParameters(), rightValue, LiteralRestrictionDescr.TYPE_STRING );
                }
            } catch ( ClassNotFoundException e ) {
                // do nothing as this is just probing to see if it was a class, which we now know it isn't :)
            }
        }
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            }
        }

        ValueType vtype = extractor.getValueType();
        String operator = relDescr.getOperator().trim();
        LiteralRestrictionDescr restrictionDescr = buildLiteralRestrictionDescr(context, relDescr, value2, operator, isConstant);

        if (restrictionDescr != null) {
            FieldValue field = getFieldValue(context, vtype, restrictionDescr);
            if (field != null) {
                Constraint constraint = getConstraintBuilder( context ).buildLiteralConstraint(context, pattern, vtype, field, expr, value1, operator, value2, extractor, restrictionDescr);
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                                                                   String rightValue,
                                                                   String operator,
                                                                   boolean isRightLiteral) {
        // is it a literal? Does not include enums
        if ( isRightLiteral )
            return new LiteralRestrictionDescr(operator, exprDescr.isNegated(), exprDescr.getParameters(), rightValue, LiteralRestrictionDescr.TYPE_STRING);

        // is it an enum?
        int dotPos = rightValue.lastIndexOf( '.' );
        if ( dotPos >= 0 ) {
            final String mainPart = rightValue.substring( 0,
                                                     dotPos );
            String lastPart = rightValue.substring( dotPos + 1 );
            try {
                context.getDialect().getTypeResolver().resolveType( mainPart );
                if ( lastPart.indexOf( '(' ) < 0 && lastPart.indexOf( '.' ) < 0 && lastPart.indexOf( '[' ) < 0 ) {
                    return new LiteralRestrictionDescr(operator, exprDescr.isNegated(), exprDescr.getParameters(), rightValue, LiteralRestrictionDescr.TYPE_STRING );
                }
            } catch ( ClassNotFoundException e ) {
                // do nothing as this is just probing to see if it was a class, which we now know it isn't :)
            }
        }
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Related Classes of org.drools.lang.descr.LiteralRestrictionDescr

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  • org.drools.compiler.PackageBuilderTest
  • org.drools.compiler.xml.rules.LiteralRestrictionHandler
  • org.drools.compiler.xml.rules.XmlPackageReaderTest
  • org.drools.lang.RuleParserTest
  • org.drools.rule.builder.dialect.java.RuleBuilderTest
  • org.drools.rule.builder.PatternBuilder
  • org.drools.xml.LiteralRestrictionHandler
  • org.drools.xml.rules.LiteralRestrictionHandler
  • org.drools.xml.rules.XmlPackageReaderTest
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