Package org.drools.compiler.builder.impl

Examples of org.drools.compiler.builder.impl.KnowledgeBuilderImpl

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        Map<String, TypeMetaInfo> typeInfos = new HashMap<String, TypeMetaInfo>();
        Map<String, Set<String>> rulesPerPackage = new HashMap<String, Set<String>>();

        KieModuleModel kieModuleModel = kModule.getKieModuleModel();
        for ( String kieBaseName : kieModuleModel.getKieBaseModels().keySet() ) {
            KnowledgeBuilderImpl kBuilder = (KnowledgeBuilderImpl) kModule.getKnowledgeBuilderForKieBase( kieBaseName );
            Map<String, PackageRegistry> pkgRegistryMap = kBuilder.getPackageRegistry();

            KieModuleCache.KModuleCache.Builder _kmoduleCacheBuilder = createCacheBuilder();
            KieModuleCache.CompilationData.Builder _compData = createCompilationData();

            for ( KiePackage kPkg : kBuilder.getKnowledgePackages() ) {
                PackageRegistry pkgRegistry = pkgRegistryMap.get( kPkg.getName() );
                JavaDialectRuntimeData runtimeData = (JavaDialectRuntimeData) pkgRegistry.getDialectRuntimeRegistry().getDialectData( "java" );

                List<String> types = new ArrayList<String>();
                for ( FactType factType : kPkg.getFactTypes() ) {
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public class MVELConsequenceBuilderTest {

    @Test
    public void testSimpleExpression() throws Exception {
        PackageDescr pkgDescr = new PackageDescr( "pkg1" );
        KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl();
        pkgBuilder.addPackage( pkgDescr );

        InternalKnowledgePackage pkg = pkgBuilder.getPackageRegistry( "pkg1" ).getPackage();
        final RuleDescr ruleDescr = new RuleDescr( "rule 1" );
        ruleDescr.setNamespace( "pkg1" );
        ruleDescr.setConsequence( "modify (cheese) {price = 5 };\nretract (cheese)" );

        DialectCompiletimeRegistry dialectRegistry = pkgBuilder.getPackageRegistry( pkg.getName() ).getDialectCompiletimeRegistry();

        MVELDialect mvelDialect = (MVELDialect) dialectRegistry.getDialect( "mvel" );

        final InstrumentedBuildContent context = new InstrumentedBuildContent( pkgBuilder,
                                                                               ruleDescr,
                                                                               dialectRegistry,
                                                                               pkg,
                                                                               mvelDialect );

        final InstrumentedDeclarationScopeResolver declarationResolver = new InstrumentedDeclarationScopeResolver();

        final ObjectType cheeseObjeectType = new ClassObjectType( Cheese.class );

        final Pattern pattern = new Pattern( 0,
                                             cheeseObjeectType,
                                             "cheese" );

        final GroupElement subrule = new GroupElement( GroupElement.AND );
        subrule.addChild( pattern );
        final Map<String, Declaration> map = new HashMap<String, Declaration>();
        map.put( "cheese",
                 pattern.getDeclaration() );
        declarationResolver.setDeclarations( map );
        context.setDeclarationResolver( declarationResolver );

        final MVELConsequenceBuilder builder = new MVELConsequenceBuilder();
        builder.build( context, RuleImpl.DEFAULT_CONSEQUENCE_NAME );

        InternalKnowledgeBase kBase = (InternalKnowledgeBase) KnowledgeBaseFactory.newKnowledgeBase();

        PropagationContextFactory pctxFactory = kBase.getConfiguration().getComponentFactory().getPropagationContextFactory();
        kBase.addPackage(pkg);

        StatefulKnowledgeSessionImpl ksession = (StatefulKnowledgeSessionImpl)kBase.newStatefulKnowledgeSession();

        final Cheese cheddar = new Cheese( "cheddar", 10 );
        final InternalFactHandle f0 = (InternalFactHandle) ksession.insert( cheddar );
        final LeftTupleImpl tuple = new LeftTupleImpl( f0, null, true );
        f0.removeLeftTuple(tuple);

        final AgendaItem item = new AgendaItemImpl( 0, tuple, 10,
                                                pctxFactory.createPropagationContext(1, 1, null, tuple, null),
                                                new RuleTerminalNode(0, new CompositeObjectSinkAdapterTest.MockBetaNode(), context.getRule(), subrule, 0, new BuildContext( kBase, null )), null);
        final DefaultKnowledgeHelper kbHelper = new DefaultKnowledgeHelper( ksession );
        kbHelper.setActivation( item );
        ((MVELConsequence) context.getRule().getConsequence()).compile(  (MVELDialectRuntimeData) pkgBuilder.getPackageRegistry( pkg.getName() ).getDialectRuntimeRegistry().getDialectData( "mvel" ));
        context.getRule().getConsequence().evaluate( kbHelper,
                                                     ksession );

        assertEquals( 5,
                      cheddar.getPrice() );
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        Properties properties = new Properties();
        properties.setProperty( "drools.dialect.default",
                                "mvel" );
        KnowledgeBuilderConfigurationImpl cfg1 = new KnowledgeBuilderConfigurationImpl( properties );

        KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl( pkg, cfg1 );
        final KnowledgeBuilderConfigurationImpl conf = pkgBuilder.getBuilderConfiguration();
        PackageRegistry pkgRegistry = pkgBuilder.getPackageRegistry( pkg.getName() );
        DialectCompiletimeRegistry dialectRegistry = pkgBuilder.getPackageRegistry( pkg.getName() ).getDialectCompiletimeRegistry();
        MVELDialect mvelDialect = (MVELDialect) dialectRegistry.getDialect( pkgRegistry.getDialect() );

        final InstrumentedBuildContent context = new InstrumentedBuildContent( pkgBuilder,
                                                                               ruleDescr,
                                                                               dialectRegistry,
                                                                               pkg,
                                                                               mvelDialect );

        final InstrumentedDeclarationScopeResolver declarationResolver = new InstrumentedDeclarationScopeResolver();

        final ObjectType cheeseObjeectType = new ClassObjectType( Cheese.class );

        final Pattern pattern = new Pattern( 0,
                                             cheeseObjeectType );

        final PatternExtractor extractor = new PatternExtractor( cheeseObjeectType );

        final Declaration declaration = new Declaration( "cheese",
                                                         extractor,
                                                         pattern );
        final Map<String, Declaration> map = new HashMap<String, Declaration>();
        map.put( "cheese",
                 declaration );
        declarationResolver.setDeclarations( map );
        context.setDeclarationResolver( declarationResolver );

        final MVELConsequenceBuilder builder = new MVELConsequenceBuilder();
        builder.build( context, RuleImpl.DEFAULT_CONSEQUENCE_NAME );

        InternalKnowledgeBase kBase = (InternalKnowledgeBase) KnowledgeBaseFactory.newKnowledgeBase();
        StatefulKnowledgeSessionImpl ksession = (StatefulKnowledgeSessionImpl)kBase.newStatefulKnowledgeSession();

        final Cheese cheddar = new Cheese( "cheddar",
                                           10 );
        final InternalFactHandle f0 = (InternalFactHandle) ksession.insert( cheddar );
        final LeftTupleImpl tuple = new LeftTupleImpl( f0,
                                               null,
                                               true );

        final AgendaItem item = new AgendaItemImpl( 0,
                                                tuple,
                                                10,
                                                null, null, null);
        final DefaultKnowledgeHelper kbHelper = new DefaultKnowledgeHelper( ksession );
        kbHelper.setActivation( item );
        try {
            ((MVELConsequence) context.getRule().getConsequence()).compile( (MVELDialectRuntimeData) pkgBuilder.getPackageRegistry( pkg.getName() ).getDialectRuntimeRegistry().getDialectData( "mvel" ) );
            context.getRule().getConsequence().evaluate( kbHelper,
                                                         ksession );
            fail( "should throw an exception, as 'if' is not allowed" );
        } catch ( Exception e ) {
        }
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            final RuleDescr ruleDescr = pkgDescr.getRules().get( 0 );

            final RuleBuilder builder = new RuleBuilder();

            final KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl( pkg );
            final KnowledgeBuilderConfigurationImpl conf = pkgBuilder.getBuilderConfiguration();
            DialectCompiletimeRegistry dialectRegistry = pkgBuilder.getPackageRegistry( pkg.getName() ).getDialectCompiletimeRegistry();
            Dialect dialect = dialectRegistry.getDialect( "mvel" );

            RuleBuildContext context = new RuleBuildContext( pkgBuilder,
                                                             ruleDescr,
                                                             dialectRegistry,
                                                             pkg,
                                                             dialect );

            builder.build( context );

            assertTrue( context.getErrors().toString(),
                               context.getErrors().isEmpty() );

            final RuleImpl rule = context.getRule();

            MVELConsequence mvelCons = (MVELConsequence) rule.getConsequence();
            mvelCons.compile( (MVELDialectRuntimeData) pkgBuilder.getPackageRegistry( pkg.getName() ).getDialectRuntimeRegistry().getDialectData( "mvel" ) );
            String s = DebugTools.decompile( mvelCons.getCompExpr() );

            int fromIndex = 0;
            int count = 0;
            while ( (fromIndex = s.indexOf( "DEBUG_SYMBOL",
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        InternalKnowledgePackage pkg = new KnowledgePackageImpl( "org.drools.compiler.test" );
        pkg.addImport( new ImportDeclaration( Cheese.class.getCanonicalName() ) );

        KnowledgeBuilderConfigurationImpl conf = new KnowledgeBuilderConfigurationImpl();
        KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl( pkg, conf );

        ruleDescr = new RuleDescr( "test consequence builder" );
        ruleDescr.setConsequence( consequence );
        ruleDescr.addAttribute( new AttributeDescr("dialect", "mvel") );
       
        for ( Entry<String, Object> entry : namedConsequences.entrySet() ) {
            ruleDescr.addNamedConsequences( entry.getKey(), entry.getValue() );
        }

        RuleImpl rule = new RuleImpl( ruleDescr.getName() );
        rule.addPattern( new Pattern( 0,
                                      new ClassObjectType( Cheese.class ),
                                      "$cheese" ) );
       
        rule.addPattern( new Pattern( 0,
                                      new ClassObjectType( Map.class ),
                                      "$map" ) );       

        PackageRegistry pkgRegistry = pkgBuilder.getPackageRegistry( pkg.getName() );
        DialectCompiletimeRegistry reg = pkgBuilder.getPackageRegistry( pkg.getName() ).getDialectCompiletimeRegistry();
        context = new RuleBuildContext( pkgBuilder,
                                        ruleDescr,
                                        reg,
                                        pkg,
                                        reg.getDialect( pkgRegistry.getDialect() ) );
        context.getBuildStack().push( rule.getLhs() );
       
        context.getDialect().getConsequenceBuilder().build( context, RuleImpl.DEFAULT_CONSEQUENCE_NAME );
        for ( String name : namedConsequences.keySet() ) {
            context.getDialect().getConsequenceBuilder().build( context, name );
        }
       
        context.getDialect().addRule( context );
        pkgRegistry.getPackage().addRule( context.getRule() );
        pkgBuilder.compileAll();
        pkgBuilder.reloadAll();
        if ( pkgBuilder.hasErrors() ) {
            fail(pkgBuilder.getErrors().toString());
        }
    }
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    private void setupTest(String consequence, Map<String, Object> namedConsequences) {
        InternalKnowledgePackage pkg = new KnowledgePackageImpl( "org.drools" );
        pkg.addImport( new ImportDeclaration( "org.drools.compiler.Cheese" ) );

        KnowledgeBuilderConfigurationImpl conf = new KnowledgeBuilderConfigurationImpl();
        KnowledgeBuilderImpl kBuilder = new KnowledgeBuilderImpl( pkg, conf );

        ruleDescr = new RuleDescr( "test consequence builder" );
        ruleDescr.setConsequence( consequence );
       
        for ( Entry<String, Object> entry : namedConsequences.entrySet() ) {
            ruleDescr.addNamedConsequences( entry.getKey(), entry.getValue() );
        }

        RuleImpl rule = new RuleImpl( ruleDescr.getName() );
       
        PackageRegistry pkgRegistry = kBuilder.getPackageRegistry( pkg.getName() );
        DialectCompiletimeRegistry reg = kBuilder.getPackageRegistry( pkg.getName() ).getDialectCompiletimeRegistry();
        context = new RuleBuildContext( kBuilder,
                                        ruleDescr,
                                        reg,
                                        pkg,
                                        reg.getDialect( pkgRegistry.getDialect() ) );       
       
        rule.addPattern( new Pattern( 0,
                                      new ClassObjectType( Cheese.class ),
                                      "$cheese" ) );
       
        Pattern p = new Pattern( 1,
                               new ClassObjectType( Person.class ),
                               "$persone" );
       
       
       
        Declaration declr = p.addDeclaration( "age" );

        final InternalReadAccessor extractor = PatternBuilder.getFieldReadAccessor(context,
                                                                                   new BindingDescr("age", "age"),
                                                                                   p.getObjectType(),
                                                                                   "age",
                                                                                   declr,
                                                                                   true);
       
        rule.addPattern( p );
       
        context.getBuildStack().push(rule.getLhs());
       
        context.getDialect().getConsequenceBuilder().build(context, RuleImpl.DEFAULT_CONSEQUENCE_NAME);
        for ( String name : namedConsequences.keySet() ) {
            context.getDialect().getConsequenceBuilder().build( context, name );
        }
       
        context.getDialect().addRule( context );
        pkgRegistry.getPackage().addRule(context.getRule());
        kBuilder.compileAll();
        kBuilder.reloadAll();
    }
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        final RuleDescr ruleDescr = new RuleDescr( "rule 1" );
        ruleDescr.addAttribute( new AttributeDescr( "salience",
                                                    "(p.age + 20)/2" ) );
        ruleDescr.setConsequence( "" );

        KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl( pkg );
        DialectCompiletimeRegistry dialectRegistry = pkgBuilder.getPackageRegistry( pkg.getName() ).getDialectCompiletimeRegistry();
        MVELDialect mvelDialect = (MVELDialect) dialectRegistry.getDialect( "mvel" );

        context = new InstrumentedBuildContent( pkgBuilder,
                                                ruleDescr,
                                                dialectRegistry,
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public class MVELAccumulateBuilderTest {

    @Test
    public void testSimpleExpression() {
        KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl();
        pkgBuilder.addPackage( new PackageDescr( "pkg1" ) );

        InternalKnowledgePackage pkg = pkgBuilder.getPackage();
        final RuleDescr ruleDescr = new RuleDescr( "rule 1" );

        final KnowledgeBuilderConfigurationImpl conf = pkgBuilder.getBuilderConfiguration();
        DialectCompiletimeRegistry dialectRegistry = pkgBuilder.getPackageRegistry( pkg.getName() ).getDialectCompiletimeRegistry();
        MVELDialect mvelDialect = (MVELDialect) dialectRegistry.getDialect( "mvel" );

        final RuleBuildContext context = new RuleBuildContext( pkgBuilder,
                                                               ruleDescr,
                                                               dialectRegistry,
                                                               pkg,
                                                               mvelDialect );

        final AccumulateDescr accDescr = new AccumulateDescr();
        final PatternDescr inputPattern = new PatternDescr( "org.drools.compiler.Cheese",
                                                            "$cheese" );
        accDescr.setInputPattern( inputPattern );
        accDescr.setInitCode( "total = 0;" );
        accDescr.setActionCode( "total += $cheese.price;" );
        accDescr.setReverseCode( "total -= $cheese.price;" );
        accDescr.setResultCode( "new Integer(total)" );

        final MVELAccumulateBuilder builder = new MVELAccumulateBuilder();
        final Accumulate acc = (Accumulate) builder.build( context,
                                                           accDescr );

        ((MVELCompileable) acc.getAccumulators()[0]).compile( (MVELDialectRuntimeData) pkgBuilder.getPackageRegistry( pkg.getName() ).getDialectRuntimeRegistry().getDialectData( "mvel" ) );

        InternalKnowledgeBase kBase = (InternalKnowledgeBase) KnowledgeBaseFactory.newKnowledgeBase();
        StatefulKnowledgeSessionImpl ksession = (StatefulKnowledgeSessionImpl)kBase.newStatefulKnowledgeSession();

        MockLeftTupleSink sink = new MockLeftTupleSink();
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        KnowledgePackageImpl kPackage = new KnowledgePackageImpl("com.testfacttemplate");
        FieldTemplate fieldTemplate = new FieldTemplateImpl("status", 0, Integer.class);
        FactTemplate factTemplate = new FactTemplateImpl(kPackage, "TestFactTemplate", new FieldTemplate[]{fieldTemplate});

        KnowledgeBuilder kBuilder = new KnowledgeBuilderImpl(kPackage);
        StringReader rule = new StringReader(drl);
        try {
            ((KnowledgeBuilderImpl) kBuilder).addPackageFromDrl(rule);
        } catch (Exception e) {
            throw new RuntimeException(e);
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            if ( properties != null ) {
                config = (KnowledgeBuilderConfigurationImpl) properties.get( Constants.RES_PACKAGEBUILDER_CONFIG );
            }

            KnowledgeBuilderImpl builder = null;
            if ( config != null ) {
                builder = new KnowledgeBuilderImpl(config);
            } else {
                builder = new KnowledgeBuilderImpl();
            }
           
            Object dsrl = null;
            String source = null;
           
            if ( properties != null ) {
                dsrl = properties.get( Constants.RES_DSL );
                if ( dsrl ==  null ) {
                    // check for old legacy name ending
                    dsrl = properties.get( "dsl" );
                }
                source = ( String ) properties.get( Constants.RES_SOURCE );
                if ( source == null ) {
                    // check for old legacy name ending
                    source = ( String ) properties.get( "source" );
                }
            }
           
            if ( source == null ) {
                source = "drl";
            }
           
            if ( dsrl == null ) {
                if ( source.equals( Constants.RES_SOURCE_TYPE_XML ) || source.equals( "xml" ) ) {
                    builder.addPackageFromXml( ruleExecutionSetReader );
                } else {
                    builder.addPackageFromDrl( ruleExecutionSetReader );
                }
            } else {
                if ( source.equals( Constants.RES_SOURCE_TYPE_XML ) || source.equals( "xml" ) ) {
                    // xml cannot specify a dsl
                    builder.addPackageFromXml( ruleExecutionSetReader );
                } else {
                    if  ( dsrl instanceof Reader ) {
                        builder.addPackageFromDrl( ruleExecutionSetReader,
                                                   (Reader) dsrl );
                    } else {
                        builder.addPackageFromDrl( ruleExecutionSetReader,
                                                   new StringReader( (String) dsrl ) );
                    }
                }
            }

            InternalKnowledgePackage pkg = builder.getPackage();
            return createRuleExecutionSet( pkg,
                                           properties );
        } catch ( final IOException e ) {
            throw new RuleExecutionSetCreateException( "cannot create rule execution set",
                                                       e );
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Related Classes of org.drools.compiler.builder.impl.KnowledgeBuilderImpl

  • org.drools.compiler.compiler.AnnotationDeclarationError
  • org.drools.compiler.compiler.CompositeKnowledgeBuilderImpl
  • org.drools.compiler.compiler.DeprecatedResourceTypeWarning
  • org.drools.compiler.compiler.Dialect
  • org.drools.compiler.compiler.DialectCompiletimeRegistry
  • org.drools.compiler.compiler.DrlParser
  • org.drools.compiler.compiler.DroolsError
  • org.drools.compiler.compiler.DroolsErrorWrapper
  • org.drools.compiler.compiler.DroolsWarningWrapper
  • org.drools.compiler.compiler.DuplicateFunction
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