Package org.drools.lang.descr

Examples of org.drools.lang.descr.FieldConstraintDescr

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                     parser.hasErrors() );

        assertEquals( 1,
                      descrs.getDescrs().size() );
        PatternDescr pat = (PatternDescr) descrs.getDescrs().get( 0 );
        FieldConstraintDescr fieldConstr = (FieldConstraintDescr) pat.getConstraint().getDescrs().get( 0 );
        LiteralRestrictionDescr restr = (LiteralRestrictionDescr) fieldConstr.getRestrictions().get( 0 );

        assertEquals( "not matches",
                      restr.getEvaluator() );
        assertEquals( "[abc]*",
                      restr.getText() );
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                      descrs.getDescrs().size() );
        PatternDescr pat = (PatternDescr) descrs.getDescrs().get( 0 );
        assertEquals( "org.drools.Message",
                      pat.getObjectType() );

        FieldConstraintDescr fieldConstr = (FieldConstraintDescr) pat.getConstraint().getDescrs().get( 0 );
        QualifiedIdentifierRestrictionDescr restr = (QualifiedIdentifierRestrictionDescr) fieldConstr.getRestrictions().get( 0 );

        assertEquals( "not matches",
                      restr.getEvaluator() );
        assertEquals( "$c.property",
                      restr.getText() );
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        ruleDescr.setLhs( lhs );

        final PatternDescr patternDescr = new PatternDescr( Cheese.class.getName(),
                                                            "stilton" );

        final FieldConstraintDescr literalDescr = new FieldConstraintDescr( "type" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  null ) );

        patternDescr.addConstraint( literalDescr );

        ruleDescr.setConsequence( "" );
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        packageDescr.addRule( ruleDescr );
        AndDescr lhs = new AndDescr();
        ruleDescr.setLhs( lhs );
        PatternDescr patternDescr = new PatternDescr( Cheese.class.getName(),
                                                      "stilton" );
        FieldConstraintDescr literalDescr = new FieldConstraintDescr( "type" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  null ) );
        patternDescr.addConstraint( literalDescr );
        ruleDescr.setConsequence( "" );

        ruleDescr = new RuleDescr( "rule-1" );
        ruleDescr.setLocation( 42,
                               43 );
        packageDescr.addRule( ruleDescr );
        lhs = new AndDescr();
        ruleDescr.setLhs( lhs );
        patternDescr = new PatternDescr( Cheese.class.getName(),
                                         "stilton" );
        literalDescr = new FieldConstraintDescr( "type" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "!=",
                                                                  null ) );
        patternDescr.addConstraint( literalDescr );
        ruleDescr.setConsequence( "" );

        ruleDescr = new RuleDescr( "rule-2" );
        ruleDescr.setLocation( 42,
                               43 );
        packageDescr.addRule( ruleDescr );
        lhs = new AndDescr();
        ruleDescr.setLhs( lhs );
        patternDescr = new PatternDescr( Cheese.class.getName(),
                                         "stilton" );

        literalDescr = new FieldConstraintDescr( "type" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "!=",
                                                                  null ) );

        patternDescr.addConstraint( literalDescr );
        ruleDescr.setConsequence( "" );
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        lhs.addDescr( pattern1 );

        final BindingDescr fieldBindingDescr = new BindingDescr( "$type",
                                                                 "type" );

        final FieldConstraintDescr literalDescr = new FieldConstraintDescr( "type" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "stilton" ) );

        pattern1.addConstraint( fieldBindingDescr );
        pattern1.addConstraint( literalDescr );
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        fact_expression_return left = null;

        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:392:1: 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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            visit( temp );

            if ( previous == null ) {
                descrString += this.template;
            } else if ( previous instanceof FieldBindingDescr && !(temp instanceof FieldBindingDescr) && !(temp instanceof PredicateDescr) ) {
                final FieldConstraintDescr tempDescr = (FieldConstraintDescr) temp;
                final FieldBindingDescr previousDescr = (FieldBindingDescr) previous;
                if ( tempDescr.getFieldName().equals( previousDescr.getFieldName() ) ) {
                    // as its a binding followed by a field constraint we need to remove
                    // the extra field name                   
                    descrString += this.template.substring( tempDescr.getFieldName().length() + 1 );
                } else {
                    descrString += " , " + this.template;
                }
            } else {
                descrString += " , " + this.template;
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        assertEquals( "com.sample",
                      this.walker.getPackageDescr().getName() );
        RuleDescr rule = (RuleDescr) this.walker.getPackageDescr().getRules().get( 0 );
        assertEquals( "test",
                      rule.getName() );
        FieldConstraintDescr fieldConstr = (FieldConstraintDescr) ((PatternDescr) rule.getLhs().getDescrs().get( 0 )).getDescrs().get( 0 );
        RestrictionConnectiveDescr restConnective = (RestrictionConnectiveDescr) fieldConstr.getRestrictions().get( 0 );
        assertEquals( 2,
                      restConnective.getRestrictions().size() );
    }
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        PatternDescr pattern = (PatternDescr) parse( "lhs_pattern",
                                                     "lhs_pattern",
                                                     text );
        assertNotNull( pattern );

        FieldConstraintDescr field = (FieldConstraintDescr) pattern.getDescrs().get( 0 );
        assertEquals( "location",
                      field.getFieldName() );
        // System.out.println(field.getRestriction().getRestrictions().get( 0
        // ).getText());
        assertEquals( "atlanta\\\"",
                      field.getRestriction().getRestrictions().get( 0 ).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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