Examples of org.drools.StatefulSession.dispose()

org.drools.StatefulSession.dispose()
Forces the workingMemory to be disconnected from the rulebase (not calling this may cause resource leaks).

        Marshaller marshaller = MarshallerFactory.newMarshaller( ksession.getKnowledgeBase() );
        marshaller.marshall( baos, ksession );
        baos.close();
        byte[] serializedRulebase = DroolsStreamUtils.streamOut( ruleBase );


        session.dispose();


        assertEquals( 1,
                      results.size() );
        assertEquals( stilton1.getObject(),
                      results.get( 0 ) );

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        marshaller = MarshallerFactory.newMarshaller( ksession.getKnowledgeBase() );
        marshaller.marshall( baos, ksession );
        baos.close();
        serializedRulebase = DroolsStreamUtils.streamOut( ruleBase );


        session.dispose();


        // now recreate the rulebase, deserialize the session and test it
        ruleBase = (RuleBase) DroolsStreamUtils.streamIn( serializedRulebase );
        marshaller = MarshallerFactory.newMarshaller( new KnowledgeBaseImpl( ruleBase ) );
        ksession = ( StatefulKnowledgeSessionImpl ) marshaller.unmarshall( new ByteArrayInputStream( baos.toByteArray() ), KnowledgeBaseFactory.newKnowledgeSessionConfiguration(), EnvironmentFactory.newEnvironment() );

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        ksession = new StatefulKnowledgeSessionImpl( (ReteooStatefulSession ) session );
        marshaller = MarshallerFactory.newMarshaller( ksession.getKnowledgeBase() );
        marshaller.marshall( baos, ksession );
        baos.close();
        serializedRulebase = DroolsStreamUtils.streamOut( ruleBase );
        session.dispose();


        // now recreate the rulebase, deserialize the session and test it
        ruleBase = (RuleBase) DroolsStreamUtils.streamIn( serializedRulebase );
        marshaller = MarshallerFactory.newMarshaller( new KnowledgeBaseImpl( ruleBase ) );
        ksession = ( StatefulKnowledgeSessionImpl ) marshaller.unmarshall( new ByteArrayInputStream( baos.toByteArray() ), KnowledgeBaseFactory.newKnowledgeSessionConfiguration(), EnvironmentFactory.newEnvironment() );

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        session = SerializationHelper.getSerialisedStatefulSession( session,
                                                                    ruleBase );


        serializedRulebase = DroolsStreamUtils.streamOut( ruleBase );


        session.dispose();
    }


    /*
     * I have tried both the scenarios
     * 1. Remove a rule from a pkg.

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        Marshaller marshaller = MarshallerFactory.newMarshaller( ksession.getKnowledgeBase() );
        marshaller.marshall( baos, ksession );
        baos.close();
        byte[] serializedRulebase = DroolsStreamUtils.streamOut( ruleBase );


        session.dispose();


        assertEquals( 1,
                      results.size() );
        assertEquals( stilton1.getObject(),
                      results.get( 0 ) );

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        marshaller = MarshallerFactory.newMarshaller( ksession.getKnowledgeBase() );
        marshaller.marshall( baos, ksession );
        baos.close();
        serializedRulebase = DroolsStreamUtils.streamOut( ruleBase );


        session.dispose();


        // now recreate the rulebase, deserialize the session and test it
        ruleBase = (RuleBase) DroolsStreamUtils.streamIn( serializedRulebase );
        marshaller = MarshallerFactory.newMarshaller( new KnowledgeBaseImpl( ruleBase ) );
        ksession = ( StatefulKnowledgeSessionImpl ) marshaller.unmarshall( new ByteArrayInputStream( baos.toByteArray() ), KnowledgeBaseFactory.newKnowledgeSessionConfiguration(), EnvironmentFactory.newEnvironment() );

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        marshaller = MarshallerFactory.newMarshaller( ksession.getKnowledgeBase() );
        marshaller.marshall( baos, ksession );
        baos.close();
        serializedRulebase = DroolsStreamUtils.streamOut( ruleBase );


        session.dispose();
        // Deserialize the rulebase and the session 
        ruleBase = (RuleBase) DroolsStreamUtils.streamIn( serializedRulebase );
        marshaller = MarshallerFactory.newMarshaller( new KnowledgeBaseImpl( ruleBase ) );
        ksession = ( StatefulKnowledgeSessionImpl ) marshaller.unmarshall( new ByteArrayInputStream( baos.toByteArray() ), KnowledgeBaseFactory.newKnowledgeSessionConfiguration(), EnvironmentFactory.newEnvironment() );
        session =  (ReteooStatefulSession ) ksession.session;

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        session = SerializationHelper.getSerialisedStatefulSession( session,
                                                                    ruleBase );
        
        serializedRulebase = DroolsStreamUtils.streamOut( ruleBase );


        session.dispose();


    }


    /**
     * In this case we are dealing with facts which are not on the systems classpath.

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        WorkingMemory session2 = getSerialisedStatefulSession( session1,
                                                               true );


        session.dispose();
        session1.dispose();


        builder = new PackageBuilder();
        builder.addPackageFromDrl( new StringReader( rule2 ) );
        pkg = builder.getPackage();

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        for (Object fact : workingSolution.getFacts()) {
            tmpWorkingMemory.insert(fact);
        }
        tmpWorkingMemory.fireAllRules();
        Score realScore = tmpScoreCalculator.calculateScore();
        tmpWorkingMemory.dispose();
        if (!presumedScore.equals(realScore)) {
            throw new IllegalStateException(
                    "The presumedScore (" + presumedScore + ") is corrupted because it is not the realScore  ("
                            + realScore + ").\n"
                    + "Presumed workingMemory:\n" + buildConstraintOccurrenceSummary(workingMemory)

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