Examples of KnowledgeBaseConfiguration

org.drools.KnowledgeBaseConfiguration
A class to store KnowledgeBase related configuration. It must be used at KnowledgeBase instantiation time or not used at all.

This class will automatically load default values from a number of places, accumulating properties from each location. This list of locations, in given priority is: System properties, home directory, working directory, META-INF/ of optionally provided classLoader META-INF/ of Thread.currentThread().getContextClassLoader() and META-INF/ of ClassLoader.getSystemClassLoader()

So if you want to set a default configuration value for all your new KnowledgeBase, you can simply set the property as a System property.

After the KnowledgeBase is created, it makes the configuration immutable and there is no way to make it mutable again. This is to avoid inconsistent behaviour inside KnowledgeBase.

The following properties are supported:
- drools.maintainTms = <true|false>
- drools.assertBehaviour = <identity|equality>
- drools.logicalOverride = <discard|preserve>
- drools.sequential = <true|false>
- drools.sequential.agenda = <sequential|dynamic>
- drools.removeIdentities = <true|false>
- drools.shareAlphaNodes = <true|false>
- drools.shareBetaNodes = <true|false>
- drools.alphaNodeHashingThreshold = <1...n>
- drools.compositeKeyDepth = <1..3>
- drools.indexLeftBetaMemory = <true/false>
- drools.indexRightBetaMemory = <true/false>
- drools.consequenceExceptionHandler = <qualified class name>
- drools.maxThreads = <-1|1..n>
- drools.multithreadEvaluation = <true|false>
The follow properties have not yet been migrated from the Drools 4.0 api:
- drools.executorService = <qualified class name>
- drools.conflictResolver = <qualified class name>
- drools.ruleBaseUpdateHandler = <qualified class name>
org.kie.KnowledgeBaseConfiguration

Examples of org.drools.KnowledgeBaseConfiguration


    private void initKBase() throws Exception {
        KnowledgeBuilderConfiguration kbuilderConf = KnowledgeBuilderFactory.newKnowledgeBuilderConfiguration();
        kbuilderConf.setOption(AccumulateFunctionOption.get("firefighterDeparmtmentDistanceCalculator", new FirefighterDeparmtmentDistanceCalculator()));
        KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder(kbuilderConf);
        KnowledgeBaseConfiguration kbaseConf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
        kbaseConf.setOption(EventProcessingOption.STREAM);
        kbase = KnowledgeBaseFactory.newKnowledgeBase(kbaseConf);


        kbuilder.add(new ByteArrayResource(IOUtils.toByteArray(new ClassPathResource("processes/procedures/MultiVehicleProcedure.bpmn").getInputStream())), ResourceType.BPMN2);


        kbuilder.add(new ByteArrayResource(IOUtils.toByteArray(new ClassPathResource("processes/procedures/DefaultFireProcedure.bpmn").getInputStream())), ResourceType.BPMN2);

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Examples of org.drools.KnowledgeBaseConfiguration

        kconf.setOption( DefaultDialectOption.get( "java" ) );
        return kconf;
    }


    private KnowledgeBase createKnowledgeBase(boolean shareBetaNodes) {
        KnowledgeBaseConfiguration ruleBaseConfiguration = createKnowledgeBaseConfiguration( shareBetaNodes );
        return KnowledgeBaseFactory.newKnowledgeBase( ruleBaseConfiguration );
    }

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Examples of org.drools.KnowledgeBaseConfiguration

        KnowledgeBaseConfiguration ruleBaseConfiguration = createKnowledgeBaseConfiguration( shareBetaNodes );
        return KnowledgeBaseFactory.newKnowledgeBase( ruleBaseConfiguration );
    }


    private KnowledgeBaseConfiguration createKnowledgeBaseConfiguration(boolean shareBetaNodes) {
        KnowledgeBaseConfiguration kconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
        kconf.setOption( SequentialOption.NO );
        kconf.setOption( ShareAlphaNodesOption.YES );
        kconf.setOption( shareBetaNodes ? ShareBetaNodesOption.YES : ShareBetaNodesOption.NO );
        return kconf;
    }

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Examples of org.drools.KnowledgeBaseConfiguration


            // serialize out
            byte[] out = DroolsStreamUtils.streamOut( ((KnowledgePackageImp) pkg).pkg );


            // adding original packages to a kbase just to make sure they are fine
            KnowledgeBaseConfiguration kbaseConf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration( null,
                                                                                                       loader1 );
            KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase( kbaseConf );
            kbase.addKnowledgePackages( pkgs );


            // now, create another classloader and make sure it has access to the classes
            ClassLoader loader2 = new SubvertedClassLoader( new URL[]{getClass().getResource( "/testEnum.jar" )},
                                                            this.getClass().getClassLoader() );


            // create another builder
            KnowledgeBuilderConfiguration conf2 = KnowledgeBuilderFactory.newKnowledgeBuilderConfiguration( null,
                                                                                                            loader2 );
            KnowledgeBuilder builder2 = KnowledgeBuilderFactory.newKnowledgeBuilder( conf2 );
            builder2.add( ResourceFactory.newByteArrayResource( out ),
                          ResourceType.PKG );
            Collection<KnowledgePackage> pkgs2 = builder2.getKnowledgePackages();


            // create another kbase
            KnowledgeBaseConfiguration kbaseConf2 = KnowledgeBaseFactory.newKnowledgeBaseConfiguration( null,
                                                                                                        loader2 );
            KnowledgeBase kbase2 = KnowledgeBaseFactory.newKnowledgeBase( kbaseConf2 );
            kbase2.addKnowledgePackages( pkgs2 );


        } catch ( ClassCastException cce ) {

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Examples of org.drools.KnowledgeBaseConfiguration


            // serialize out
            byte[] out = DroolsStreamUtils.streamOut( pkg );


            // adding original packages to a kbase just to make sure they are fine
            KnowledgeBaseConfiguration kbaseConf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration( null,
                                                                                                       loader1 );
            KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase( kbaseConf );
            kbase.addKnowledgePackages( pkgs );


            // now, create another classloader and make sure it has access to the classes
            ClassLoader loader2 = new SubvertedClassLoader( new URL[]{getClass().getResource( "/testEnum.jar" )},
                                                            this.getClass().getClassLoader() );
            //loader2.loadClass( "org.drools.Primitives" );
            //loader2.loadClass( "org.drools.TestEnum" );


            // set context classloader and use it
            ClassLoader ccl = Thread.currentThread().getContextClassLoader();
            Thread.currentThread().setContextClassLoader( loader2 );
            KnowledgePackage pkg2 = (KnowledgePackage) DroolsStreamUtils.streamIn( out );
            Collection<KnowledgePackage> pkgs2 = Collections.singleton( pkg2 );
            Thread.currentThread().setContextClassLoader( ccl );


            // create another kbase
            KnowledgeBaseConfiguration kbaseConf2 = KnowledgeBaseFactory.newKnowledgeBaseConfiguration( null,
                                                                                                        loader2 );
            KnowledgeBase kbase2 = KnowledgeBaseFactory.newKnowledgeBase( kbaseConf2 );
            kbase2.addKnowledgePackages( pkgs2 );


        } catch ( ClassCastException cce ) {

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Examples of org.drools.KnowledgeBaseConfiguration

                      list.size() );
    }


    @Test
    public void testJBRULES_2206() {
        KnowledgeBaseConfiguration config = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
        ((RuleBaseConfiguration) config).setRuleBaseUpdateHandler( null );
        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase( config );
        StatefulKnowledgeSession session = kbase.newStatefulKnowledgeSession();
        
        AgendaEventListener ael = mock( AgendaEventListener.class );

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Examples of org.drools.KnowledgeBaseConfiguration

        //This kbase will be the one used by the agent.
        URL jarURL = this.getClass().getResource("/KAModelTest.jar");
        URLClassLoader ucl = new URLClassLoader(new URL[]{jarURL}, this.getClass().getClassLoader());


        //Add the classloader to the kbase
        KnowledgeBaseConfiguration kbaseConfig = KnowledgeBaseFactory.newKnowledgeBaseConfiguration(null, ucl);
        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(kbaseConfig);


        //Create a kagent with the kbase
        KnowledgeAgent kagent = this.createKAgent(kbase,newInstance,false);

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Examples of org.drools.KnowledgeBaseConfiguration

    @Override
    public void init(BenchmarkDefinition definition, boolean isFirst) {
        if (isFirst) {
            KnowledgeBuilder kbuilder = createKnowledgeBuilder("cep.drl");


            KnowledgeBaseConfiguration config = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
            config.setOption( EventProcessingOption.STREAM );


            kbase = KnowledgeBaseFactory.newKnowledgeBase(config);
            kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
        }

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Examples of org.drools.KnowledgeBaseConfiguration


    @Test
    public void testEventExpiration4() throws Exception {
        // read in the source
        final Reader reader = new InputStreamReader( getClass().getResourceAsStream( "test_CEP_EventExpiration4.drl" ) );
        final KnowledgeBaseConfiguration conf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
        conf.setOption( EventProcessingOption.STREAM );
        final KnowledgeBase kbase = loadKnowledgeBase( reader,
                                                       conf );


        final KnowledgeSessionConfiguration sconf = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
        sconf.setOption( ClockTypeOption.get( "pseudo" ) );

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Examples of org.drools.KnowledgeBaseConfiguration


    @Test
    public void testBeforeOperator() throws Exception {
        // read in the source
        final Reader reader = new InputStreamReader( getClass().getResourceAsStream( "test_CEP_BeforeOperator.drl" ) );
        final KnowledgeBaseConfiguration kconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
        kconf.setOption( EventProcessingOption.STREAM );
        final KnowledgeBase kbase = loadKnowledgeBase( reader,
                                                       kconf );


        KnowledgeSessionConfiguration sconf = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
        sconf.setOption( ClockTypeOption.get( ClockType.PSEUDO_CLOCK.getId() ) );

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