Package org.drools.compiler.lang.descr

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

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     }

     @Test
     public void testFromWithNewConstructor() throws Exception {
         DrlParser parser = new DrlParser( LanguageLevelOption.DRL5 );
         PackageDescr descr = parser.parse( new InputStreamReader( getClass().getResourceAsStream( "test_FromWithNewConstructor.drl" ) ) );

         Collection<KnowledgePackage> pkgs = loadKnowledgePackages( descr );
         pkgs = SerializationHelper.serializeObject( pkgs );
     }
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     }

     @Test
     public void testDumpers() throws Exception {
         final DrlParser parser = new DrlParser( LanguageLevelOption.DRL5 );
         final PackageDescr pkg = parser.parse( new InputStreamReader( getClass().getResourceAsStream( "test_Dumpers.drl" ) ) );

         if ( parser.hasErrors() ) {
             for ( DroolsError error : parser.getErrors() ) {
                 logger.warn( error.toString() );
             }
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        KnowledgeBuilderConfigurationImpl conf = new KnowledgeBuilderConfigurationImpl();
       
        XmlPackageReader xmlPackageReader = new XmlPackageReader( conf.getSemanticModules() );
        xmlPackageReader.getParser().setClassLoader( DumperTestHelper.class.getClassLoader() );
        xmlPackageReader.read( new InputStreamReader( DumperTestHelper.class.getResourceAsStream( filename ) ) );
        final PackageDescr pkgOriginal = xmlPackageReader.getPackageDescr();

        final XmlDumper dumper = new XmlDumper();
        final String result = dumper.dump( pkgOriginal );       
       
        String buffer = readFile( filename );
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    }

    public static void DrlFile(String filename) throws Exception {

        DrlParser parser = new DrlParser(LanguageLevelOption.DRL5);
        final PackageDescr pkgOriginal = parser.parse( new InputStreamReader( DumperTestHelper.class.getResourceAsStream( filename ) ) );
        final DrlDumper dumper = new DrlDumper();
        String result1 = dumper.dump( pkgOriginal );
        final PackageDescr pkgDerivated = parser.parse( new StringReader( result1 ) );
        String result2 = dumper.dump( pkgDerivated );
        System.out.println( result1 );

        assertEqualsIgnoreWhitespace( result1,
                                      result2 );
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                                      result2 );
    }

    public static String dump(String filename) throws Exception {
        DrlParser parser = new DrlParser(LanguageLevelOption.DRL6);
        final PackageDescr pkgOriginal = parser.parse( new InputStreamReader( DumperTestHelper.class.getResourceAsStream( filename ) ) );
        final DrlDumper dumper = new DrlDumper();
        return dumper.dump( pkgOriginal );
    }
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    private Resource resource;

    protected PackageDescrBuilderImpl() {
        super( null,
               new PackageDescr() );
    }
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                      fld.getExpression() );
    }

    @Test
    public void testWithPredicate() throws Exception {
        final PackageDescr pkg = (PackageDescr) parseResource( "compilationUnit",
                                                               "with_predicate.drl" );

        assertEquals( 1,
                      pkg.getRules().size() );

        final RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );
        final PatternDescr col = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        AndDescr and = (AndDescr) col.getConstraint();
        assertEquals( 2,
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                                      pred.getExpression() );
    }

    @Test
    public void testNotWithConstraint() throws Exception {
        final PackageDescr pkg = (PackageDescr) parseResource( "compilationUnit",
                                                               "not_with_constraint.drl" );

        assertEquals( 1,
                      pkg.getRules().size() );

        final RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( 2,
                      rule.getLhs().getDescrs().size() );

        PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        final ExprConstraintDescr fieldBinding = (ExprConstraintDescr) pattern.getDescrs().get( 0 );
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                      fld.getExpression() );
    }

    @Test
    public void testFunctions() throws Exception {
        final PackageDescr pkg = (PackageDescr) parseResource( "compilationUnit",
                                                               "functions.drl" );

        assertEquals( 2,
                      pkg.getRules().size() );

        final List<FunctionDescr> functions = pkg.getFunctions();
        assertEquals( 2,
                      functions.size() );

        FunctionDescr func = functions.get( 0 );
        assertEquals( "functionA",
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                                      func.getText() );
    }

    @Test
    public void testComment() throws Exception {
        final PackageDescr pkg = (PackageDescr) parseResource( "compilationUnit",
                                                               "comment.drl" );

        assertNotNull( pkg );

        assertEquals( "foo.bar",
                      pkg.getName() );
    }
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Related Classes of org.drools.compiler.lang.descr.PackageDescr

  • org.drools.beliefs.bayes.assembler.BayesAssemblerService
  • org.drools.compiler.builder.impl.KnowledgeBuilderImpl
  • org.drools.compiler.builder.impl.KnowledgeBuilderTest
  • org.drools.compiler.builder.impl.TypeDeclarationBuilder
  • org.drools.compiler.builder.impl.TypeDeclarationCache
  • org.drools.compiler.CommonTestMethodBase
  • org.drools.compiler.compiler.DrlParser
  • org.drools.compiler.compiler.DrlParserTest
  • org.drools.compiler.compiler.PackageBuilder
  • org.drools.compiler.compiler.PackageBuilderConfigurationTest
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