Package org.drools.compiler.lang.descr

Examples of org.drools.compiler.lang.descr.ExistsDescr

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    @Test
    public void testExists() throws Exception {
        PackageBuilder builder = new PackageBuilder();

        // Make sure we can't accessa  variable bound inside the not node
        Rule rule = createRule( new ExistsDescr(),
                                builder,
                                "update(stilton);" );
       
        assertTrue( builder.hasErrors() );

        builder = new PackageBuilder();
        rule = createRule( new ExistsDescr(),
                           builder,
                           "" );
        assertEquals( 0,
                      builder.getErrors().getErrors().length );
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                        final String localName,
                        final Attributes attrs,
                        final ExtensibleXmlParser parser) throws SAXException {
        parser.startElementBuilder( localName,
                                    attrs );
        final ExistsDescr existsDescr = new ExistsDescr();

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

        final ExistsDescr existsDescr = (ExistsDescr) parser.getCurrent();

        if ( (existsDescr.getDescrs().size() != 1) && (existsDescr.getDescrs().get( 0 ).getClass() != PatternDescr.class) ) {
            throw new SAXParseException( "<exists> can only have a single <pattern...> as a child element",
                                         parser.getLocator() );
        }

        final ConditionalElementDescr parentDescr = (ConditionalElementDescr) parser.getParent();
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    /**
     * {@inheritDoc}
     */
    public CEDescrBuilder<CEDescrBuilder<P, T>, ExistsDescr> exists() {
        CEDescrBuilder<CEDescrBuilder<P, T>, ExistsDescr> exists = new CEDescrBuilderImpl<CEDescrBuilder<P, T>, ExistsDescr>( this, new ExistsDescr() );
        ((ConditionalElementDescr) descr).addDescr( exists.getDescr() );
        return exists;
    }
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Related Classes of org.drools.compiler.lang.descr.ExistsDescr

  • org.drools.compiler.builder.impl.KnowledgeBuilderTest
  • org.drools.compiler.compiler.PackageBuilderTest
  • org.drools.compiler.compiler.xml.rules.ExistsHandler
  • org.drools.compiler.lang.api.impl.CEDescrBuilderImpl
  • org.drools.compiler.lang.RuleParserTest
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