Package org.drools.lang.descr

Examples of org.drools.lang.descr.AndDescr

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    }

    public void testNotContains() throws Exception {
        final String text = "City( $city : city )\nCountry( cities not contains $city )\n";
        final AndDescr descrs = new AndDescr();
        final CharStream charStream = new ANTLRStringStream( text );
        final DRLLexer lexer = new DRLLexer( charStream );
        final TokenStream tokenStream = new CommonTokenStream( lexer );
        final DRLParser parser = new DRLParser( tokenStream );
        parser.setLineOffset( descrs.getLine() );
        parser.normal_lhs_block( descrs );
        assertFalse( parser.getErrorMessages().toString(),
                     parser.hasErrors() );

        assertEquals( 2,
                      descrs.getDescrs().size() );
        PatternDescr pat = (PatternDescr) descrs.getDescrs().get( 1 );
        FieldConstraintDescr fieldConstr = (FieldConstraintDescr) pat.getConstraint().getDescrs().get( 0 );
        VariableRestrictionDescr restr = (VariableRestrictionDescr) fieldConstr.getRestrictions().get( 0 );

        assertEquals( "not contains",
                      restr.getEvaluator() );
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                      restr.getIdentifier() );
    }

    public void testNotMatches() throws Exception {
        final String text = "Message( text not matches '[abc]*' )\n";
        final AndDescr descrs = new AndDescr();
        final CharStream charStream = new ANTLRStringStream( text );
        final DRLLexer lexer = new DRLLexer( charStream );
        final TokenStream tokenStream = new CommonTokenStream( lexer );
        final DRLParser parser = new DRLParser( tokenStream );
        parser.setLineOffset( descrs.getLine() );
        parser.normal_lhs_block( descrs );
        assertFalse( parser.getErrorMessages().toString(),
                     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() );
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                      people.getObjectType() );
    }

    public void testAccessorPaths() throws Exception {
        final String text = "org   .   drools/*comment*/\t  .Message( text not matches $c#comment\n. property )\n";
        final AndDescr descrs = new AndDescr();
        final CharStream charStream = new ANTLRStringStream( text );
        final DRLLexer lexer = new DRLLexer( charStream );
        final TokenStream tokenStream = new CommonTokenStream( lexer );
        final DRLParser parser = new DRLParser( tokenStream );
        parser.setLineOffset( descrs.getLine() );
        parser.normal_lhs_block( descrs );
        assertFalse( parser.getErrorMessages().toString(),
                     parser.hasErrors() );

        assertEquals( 1,
                      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 );
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        assertNull( cheese2.getIdentifier() );
    }

    public void testRuleParseLhs2() throws Exception {
        final String text = "Message( Message.HELLO )\n";
        final AndDescr descrs = new AndDescr();
        final CharStream charStream = new ANTLRStringStream( text );
        final DRLLexer lexer = new DRLLexer( charStream );
        final TokenStream tokenStream = new CommonTokenStream( lexer );
        final DRLParser parser = new DRLParser( tokenStream );
        parser.setLineOffset( descrs.getLine() );
        parser.normal_lhs_block( descrs );
        assertTrue( parser.hasErrors() );
    }
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                      final ExtensibleXmlParser parser) throws SAXException {
        final Element element = parser.endElementBuilder();

        final QueryDescr queryDescr = (QueryDescr) parser.getCurrent();

        final AndDescr lhs = queryDescr.getLhs();

        if ( lhs == null || lhs.getDescrs().isEmpty() ) {
            throw new SAXParseException( "<query> requires a LHS",
                                         parser.getLocator() );
        }

        (( PackageDescr ) parser.getData()).addRule( queryDescr );
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                        final String localName,
                        final Attributes attrs,
                        final ExtensibleXmlParser parser) throws SAXException {
        parser.startElementBuilder( localName,
                                    attrs );
        final AndDescr andDescr = new AndDescr();

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

        final AndDescr andDescr = (AndDescr) parser.getCurrent();

        final Object parent = parser.getParent();

        if ( !andDescr.getDescrs().isEmpty() ) {
            if ( parent instanceof RuleDescr || parent instanceof QueryDescr ) {
                final RuleDescr ruleDescr = (RuleDescr) parent;
                ruleDescr.setLhs( andDescr );
            } else if ( parent instanceof MultiPatternDestinationDescr ) {
                final MultiPatternDestinationDescr mpDescr = (MultiPatternDestinationDescr) parent;
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                      final ExtensibleXmlParser parser) throws SAXException {
        final Element element = parser.endElementBuilder();

        final RuleDescr ruleDescr = (RuleDescr) parser.getCurrent();

        final AndDescr lhs = ruleDescr.getLhs();

        if ( lhs == null ) {
            throw new SAXParseException( "<rule> requires a LHS",
                                         parser.getLocator() );
        }
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        descr.setName( name );
        return this;
    }

    public CEDescrBuilder<QueryDescrBuilder, AndDescr> lhs() {
        CEDescrBuilder<QueryDescrBuilder, AndDescr> ce = new CEDescrBuilderImpl<QueryDescrBuilder, AndDescr>( this, new AndDescr() );
        descr.setLhs( ce.getDescr() );
        return ce;
    }
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        return pattern;
    }

    public CEDescrBuilder<AccumulateDescrBuilder<P>, AndDescr> source() {
        CEDescrBuilder<AccumulateDescrBuilder<P>, AndDescr> and = new CEDescrBuilderImpl<AccumulateDescrBuilder<P>, AndDescr>( this,
                                                                                                                               new AndDescr() );
        descr.setInput( and.getDescr() );
        return and;
    }
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Related Classes of org.drools.lang.descr.AndDescr

  • org.drools.clips.LhsClpParserTest
  • org.drools.compiler.PackageBuilderConfigurationTest
  • org.drools.compiler.PackageBuilderTest
  • org.drools.compiler.QueryBuilderTest
  • org.drools.compiler.RuleErrorTest
  • org.drools.compiler.xml.rules.AndHandler
  • org.drools.compiler.xml.rules.QueryHandler
  • org.drools.compiler.xml.rules.RuleHandler
  • org.drools.compiler.xml.rules.XmlPackageReaderTest
  • org.drools.guvnor.models.commons.backend.rule.BRDRLPersistence
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