Package org.drools.lang.descr

Examples of org.drools.lang.descr.FieldConstraintDescr

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        DescrBuilderTree.fact_expression_return left = null;

        DescrBuilderTree.fact_expression_return right = null;

        FieldConstraintDescr field = null;

        BaseDescr ae = null;


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    // $ANTLR start "field_element"
    // src/main/resources/org/drools/lang/DescrBuilderTree.g:383:1: field_element returns [FieldConstraintDescr element] : ^( VT_ACCESSOR_PATH (ae= accessor_element )+ ) ;
    public final FieldConstraintDescr field_element() throws RecognitionException {
        FieldConstraintDescr element = null;

        BaseDescr ae = null;


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        String input = "Cheese( price > 10 && < 20 || == $val || == 30 )";
        String expected = "( ( price > 10 && price < 20 ) || price == $val || price == 30 )" ;
        DRLParser parser = parse( input );
        PatternDescr pattern = (PatternDescr) parser.fact( null );
       
        FieldConstraintDescr fieldDescr = (FieldConstraintDescr) pattern.getConstraint().getDescrs().get( 0 );
        String result = dumper.dump( fieldDescr );
       
        assertEquals( expected, result );
    }
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        String input = "Cheese( type.toString matches \"something\\swith\\tsingle escapes\" )";
        String expected = "type.toString ~= \"something\\\\swith\\\\tsingle escapes\"" ;
        DRLParser parser = parse( input );
        PatternDescr pattern = (PatternDescr) parser.fact( null );
       
        FieldConstraintDescr fieldDescr = (FieldConstraintDescr) pattern.getConstraint().getDescrs().get( 0 );
        String result = dumper.dump( fieldDescr );
       
        assertEquals( expected, result );
    }
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        String input = "Cheese( type.toString matches 'something\\swith\\tsingle escapes' )";
        String expected = "type.toString ~= \"something\\\\swith\\\\tsingle escapes\"" ;
        DRLParser parser = parse( input );
        PatternDescr pattern = (PatternDescr) parser.fact( null );
       
        FieldConstraintDescr fieldDescr = (FieldConstraintDescr) pattern.getConstraint().getDescrs().get( 0 );
        String result = dumper.dump( fieldDescr );
       
        assertEquals( expected, result );
    }
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        String input = "Map( this[\"content\"] matches \"hello ;=\" )";
        String expected = "this[\"content\"] ~= \"hello ;=\"" ;
        DRLParser parser = parse( input );
        PatternDescr pattern = (PatternDescr) parser.fact( null );
       
        FieldConstraintDescr fieldDescr = (FieldConstraintDescr) pattern.getConstraint().getDescrs().get( 0 );
        String result = dumper.dump( fieldDescr );
       
        assertEquals( expected, result );
    }
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        String input = "Person( son.birthDate == \"01-jan-2000\" )";
        String expected = "son.birthDate == org.drools.base.evaluators.DateFactory.parseDate( \"01-jan-2000\" )" ;
        DRLParser parser = parse( input );
        PatternDescr pattern = (PatternDescr) parser.fact( null );
       
        FieldConstraintDescr fieldDescr = (FieldConstraintDescr) pattern.getConstraint().getDescrs().get( 0 );
        String result = dumper.dump( fieldDescr, true );
       
        assertEquals( expected, result );
    }
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        PatternDescr pattern = (PatternDescr) lhs.getDescrs().get( 0 );
        assertEquals( 1,
                      pattern.getConstraint().getDescrs().size() );
        AndDescr fieldAnd = (AndDescr) pattern.getConstraint();
        FieldConstraintDescr fld = (FieldConstraintDescr) fieldAnd.getDescrs().get( 0 );
        LiteralRestrictionDescr lit = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );

        assertEquals( "==",
                      lit.getEvaluator() );
        assertEquals( "false",
                      lit.getText() );
        assertEquals( "bar",
                      fld.getFieldName() );

        pattern = (PatternDescr) lhs.getDescrs().get( 1 );
        assertEquals( 1,
                      pattern.getConstraint().getDescrs().size() );

        fieldAnd = (AndDescr) pattern.getConstraint();
        fld = (FieldConstraintDescr) fieldAnd.getDescrs().get( 0 );
        lit = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );

        assertEquals( ">",
                      lit.getEvaluator() );
        assertEquals( "-42",
                      lit.getText() );
        assertEquals( "boo",
                      fld.getFieldName() );

        pattern = (PatternDescr) lhs.getDescrs().get( 2 );
        assertEquals( 1,
                      pattern.getConstraint().getDescrs().size() );

        //lit = (LiteralDescr) col.getDescrs().get( 0 );

        fieldAnd = (AndDescr) pattern.getConstraint();
        fld = (FieldConstraintDescr) fieldAnd.getDescrs().get( 0 );
        lit = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );
        assertEquals( ">",
                      lit.getEvaluator() );
        assertEquals( "-42.42",
                      lit.getText() );
        assertEquals( "boo",
                      fld.getFieldName() );

        assertFalse( parser.hasErrors() );
    }
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        assertEquals( 1,
                      first.getConstraint().getDescrs().size() );

        AndDescr fieldAnd = (AndDescr) first.getConstraint();
        FieldConstraintDescr fld = (FieldConstraintDescr) fieldAnd.getDescrs().get( 0 );
        LiteralRestrictionDescr constraint = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );

        assertNotNull( constraint );

        assertEquals( "a",
                      fld.getFieldName() );
        assertEquals( "==",
                      constraint.getEvaluator() );
        assertEquals( "3",
                      constraint.getText() );

        // Check second pattern
        final PatternDescr second = (PatternDescr) lhs.getDescrs().get( 1 );
        assertEquals( "foo4",
                      second.getIdentifier() );
        assertEquals( "Bar",
                      second.getObjectType() );

        //System.err.println( second.getDescrs() );

        fieldAnd = (AndDescr) second.getConstraint();
        assertEquals( 2,
                      fieldAnd.getDescrs().size() );

        final FieldBindingDescr fieldBindingDescr = (FieldBindingDescr) fieldAnd.getDescrs().get( 0 );
        assertEquals( "a",
                      fieldBindingDescr.getFieldName() );
        assertEquals( "a4",
                      fieldBindingDescr.getIdentifier() );

        fld = (FieldConstraintDescr) fieldAnd.getDescrs().get( 1 );
        constraint = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );

        assertNotNull( constraint );

        assertEquals( "a",
                      fld.getFieldName() );
        assertEquals( "==",
                      constraint.getEvaluator() );
        assertEquals( "4",
                      constraint.getText() );
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                      pattern.getObjectType() );
        assertEquals( 1,
                      pattern.getConstraint().getDescrs().size() );

        AndDescr and = (AndDescr) pattern.getConstraint();
        FieldConstraintDescr fld = (FieldConstraintDescr) and.getDescrs().get( 0 );
        assertEquals( RestrictionConnectiveDescr.AND,
                      ((RestrictionConnectiveDescr) fld.getRestriction()).getConnective() );
        assertEquals( 2,
                      fld.getRestrictions().size() );
        assertEquals( "age",
                      fld.getFieldName() );

        LiteralRestrictionDescr lit = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );
        assertEquals( ">",
                      lit.getEvaluator() );
        assertEquals( "30",
                      lit.getText() );

        lit = (LiteralRestrictionDescr) fld.getRestrictions().get( 1 );
        assertEquals( "<",
                      lit.getEvaluator() );
        assertEquals( "40",
                      lit.getText() );

        //the second col, with 2 fields, the first with 2 restrictions, the second field with one
        pattern = (PatternDescr) rule.getLhs().getDescrs().get( 1 );
        assertEquals( "Vehicle",
                      pattern.getObjectType() );
        assertEquals( 2,
                      pattern.getConstraint().getDescrs().size() );

        and = (AndDescr) pattern.getConstraint();
        fld = (FieldConstraintDescr) and.getDescrs().get( 0 );
        assertEquals( "type",
                      fld.getFieldName() );
        assertEquals( 1,
                      fld.getRestrictions().size() );
        RestrictionConnectiveDescr or = (RestrictionConnectiveDescr) fld.getRestrictions().get( 0 );
        assertEquals( RestrictionConnectiveDescr.OR,
                      or.getConnective() );
        assertEquals( 2,
                      or.getRestrictions().size() );
        lit = (LiteralRestrictionDescr) or.getRestrictions().get( 0 );
        assertEquals( "==",
                      lit.getEvaluator() );
        assertEquals( "sedan",
                      lit.getText() );

        lit = (LiteralRestrictionDescr) or.getRestrictions().get( 1 );
        assertEquals( "==",
                      lit.getEvaluator() );
        assertEquals( "wagon",
                      lit.getText() );

        //now the second field
        fld = (FieldConstraintDescr) and.getDescrs().get( 1 );
        assertEquals( 1,
                      fld.getRestrictions().size() );
        lit = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );
        assertEquals( "<",
                      lit.getEvaluator() );
        assertEquals( "3",
                      lit.getText() );
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Related Classes of org.drools.lang.descr.FieldConstraintDescr

  • org.drools.clips.LhsClpParserTest
  • org.drools.compiler.PackageBuilderTest
  • org.drools.compiler.QueryBuilderTest
  • org.drools.compiler.xml.rules.FieldConstraintHandler
  • org.drools.compiler.xml.rules.LiteralRestrictionHandler
  • org.drools.compiler.xml.rules.QualifiedIdentifierRestrictionHandler
  • org.drools.compiler.xml.rules.RestrictionConnectiveHandler
  • org.drools.compiler.xml.rules.ReturnValueRestrictionHandler
  • org.drools.compiler.xml.rules.VariableRestrictionsHandler
  • org.drools.compiler.xml.rules.XmlPackageReaderTest
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