Examples of org.drools.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>


        if ( kbuilder.hasErrors() ) {
            fail( kbuilder.getErrors().toString() );
        }
        
        KnowledgeBaseConfiguration kconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
        kconf.setOption( SequentialOption.YES );
        
        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase( kconf );
        kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );


        kbase    = SerializationHelper.serializeObject( kbase );

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        if ( kbuilder.hasErrors() ) {
            fail( kbuilder.getErrors().toString() );
        }
        
        KnowledgeBaseConfiguration kconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
        kconf.setOption( SequentialOption.YES );
        
        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase( kconf );
        kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );


        kbase    = SerializationHelper.serializeObject( kbase );

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        if ( kbuilder.hasErrors() ) {
            fail( kbuilder.getErrors().toString() );
        }
        
        KnowledgeBaseConfiguration kconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
        kconf.setOption( SequentialOption.YES );
        
        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase( kconf );
        kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );


        kbase    = SerializationHelper.serializeObject( kbase );

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        if ( kbuilder.hasErrors() ) {
            fail( kbuilder.getErrors().toString() );
        }
        
        KnowledgeBaseConfiguration kconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
        kconf.setOption( SequentialOption.YES );
        
        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase( kconf );
        kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );


        kbase    = SerializationHelper.serializeObject( kbase );

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        assertTrue( eps.contains( s3 ) );
    }


    @Test
    public void testEventDoesNotExpireIfNotInPattern() throws Exception {
        KnowledgeBaseConfiguration kconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
        kconf.setOption( EventProcessingOption.STREAM );
        KnowledgeBase kbase = loadKnowledgeBase( "test_EventExpiration.drl",
                                                 kconf );


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

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                    equalTo( 0 ) );
    }


    @Test
    public void testEventExpirationSetToZero() throws Exception {
        KnowledgeBaseConfiguration kconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
        kconf.setOption( EventProcessingOption.STREAM );
        KnowledgeBase kbase = loadKnowledgeBase( "test_EventExpirationSetToZero.drl",
                                                 kconf );


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

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                throw new IllegalStateException("DRL errors");
            }
        }


        // Add the package to a knowledge base (deploy the rule package).
        KnowledgeBaseConfiguration kBaseConfig = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();


        KnowledgeBase kBase = KnowledgeBaseFactory.newKnowledgeBase(kBaseConfig);
        kBase.addKnowledgePackages(kBuilder.getKnowledgePackages());
        return kBase;
    }

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        if ( kbuilder.hasErrors() ) {
            System.out.println( kbuilder.getErrors().toString() );
            System.exit( 1 );
        }


        KnowledgeBaseConfiguration kbaseConf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
        kbaseConf.setOption( AssertBehaviorOption.EQUALITY );


        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase( kbaseConf );
        kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );


        Counter c = new Counter();

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        }
        if( builder.hasErrors() ) {
            System.err.println(builder.getErrors());
            System.exit( 0 );
        }
        KnowledgeBaseConfiguration conf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
        conf.setOption( EventProcessingOption.STREAM );
        conf.setOption( MBeansOption.ENABLED );
        KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase( "Stock Broker", conf );
        kbase.addKnowledgePackages( builder.getKnowledgePackages() );
        return kbase;
    }

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                System.out.println( "Error: " + error.getMessage() );


            }
            fail("KnowledgeBase did not build");
        }
        KnowledgeBaseConfiguration kbaseConf = remoteN1.get( KnowledgeBaseFactoryService.class ).newKnowledgeBaseConfiguration();
        kbaseConf.setProperty(AssertBehaviorOption.PROPERTY_NAME, "equality");
        KnowledgeBase kbase = remoteN1.get( KnowledgeBaseFactoryService.class ).newKnowledgeBase(kbaseConf);


        assertNotNull( kbase );


        kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );

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