Package org.kie.api.marshalling

Examples of org.kie.api.marshalling.Marshaller

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        ksession.fireAllRules(); // insertLogical Person(Bob)

        // Serialize and Deserialize
        try {
            Marshaller marshaller = MarshallerFactory.newMarshaller( kbase );
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            marshaller.marshall(baos, ksession);
            marshaller = MarshallerFactory.newMarshaller(kbase);
            ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
            baos.close();
            ksession = (StatefulKnowledgeSession)marshaller.unmarshall(bais);
            bais.close();
        } catch (Exception e) {
            e.printStackTrace();
            fail("unexpected exception :" + e.getMessage());
        }
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        ksession.fireAllRules(); // insertLogical Person(Bob)
       
        // Serialize and Deserialize
        try {
          Marshaller marshaller = MarshallerFactory.newMarshaller(kbase);
          ByteArrayOutputStream baos = new ByteArrayOutputStream();
          marshaller.marshall(baos, ksession);
          marshaller = MarshallerFactory.newMarshaller(kbase);
          ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
          baos.close();
          ksession = (StatefulKnowledgeSession)marshaller.unmarshall(bais);
          bais.close();
        } catch (Exception e) {
          e.printStackTrace();
          fail("unexpected exception :" + e.getMessage());
        }
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        ksession.fireAllRules(); // insertLogical Person(Bob)
       
        // Serialize and Deserialize
        try {
          Marshaller marshaller = MarshallerFactory.newMarshaller(kbase);
          ByteArrayOutputStream baos = new ByteArrayOutputStream();
          marshaller.marshall(baos, ksession);
          marshaller = MarshallerFactory.newMarshaller(kbase);
          ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
          baos.close();
          ksession = (StatefulKnowledgeSession)marshaller.unmarshall(bais);
          bais.close();
        } catch (Exception e) {
          e.printStackTrace();
          fail("unexpected exception :" + e.getMessage());
        }
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    }

    private Marshaller createSerializableMarshaller(KnowledgeBase knowledgeBase) {
        ObjectMarshallingStrategyAcceptor acceptor = MarshallerFactory.newClassFilterAcceptor( new String[]{"*.*"} );
        ObjectMarshallingStrategy strategy = MarshallerFactory.newSerializeMarshallingStrategy( acceptor );
        Marshaller marshaller = MarshallerFactory.newMarshaller( knowledgeBase,
                                                                 new ObjectMarshallingStrategy[]{strategy} );
        return marshaller;
    }
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        assertSame( "these two object references should be same",
                    bob,
                    session.getObjects().iterator().next() );

        Marshaller marshaller = createSerializableMarshaller( kbase );

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream out = new DroolsObjectOutputStream( baos );
        out.writeObject( bob );
        out.writeObject( kbase );
        marshaller.marshall( out,
                             session );
        out.flush();
        out.close();

        ObjectInputStream in = new DroolsObjectInputStream( new ByteArrayInputStream( baos.toByteArray() ) );
        Person deserializedBob = (Person) in.readObject();
        kbase = (KnowledgeBase) in.readObject();
        marshaller = createSerializableMarshaller( kbase );
        session = (StatefulKnowledgeSession) marshaller.unmarshall( in );

        assertSame( "these two object references should be same",
                    deserializedBob,
                    session.getObjects().iterator().next() );
        in.close();
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        ksession.insert( t2 );
        ksession.insert( t3 );
        ksession.insert( t4 );

        //ksession.fireAllRules();
        Marshaller marshaller = createSerializableMarshaller( kbase );
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream out = new DroolsObjectOutputStream( baos );
        out.writeObject( kbase );
        marshaller.marshall( out,
                             ksession );
        out.flush();
        out.close();

        ObjectInputStream in = new DroolsObjectInputStream( new ByteArrayInputStream( baos.toByteArray() ) );
        kbase = (KnowledgeBase) in.readObject();
        marshaller = createSerializableMarshaller( kbase );
        ksession = (StatefulKnowledgeSession) marshaller.unmarshall( in );
        in.close();

        // setting the global again, since it is not serialized with the session
        List<List> results = (List<List>) new ArrayList<List>();
        ksession.setGlobal( "results",
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        knowledgeBase.addKnowledgePackages( Collections.singleton( (KnowledgePackage) impl ) );
        SessionConfiguration config = new SessionConfiguration();
        config.setClockType( ClockType.PSEUDO_CLOCK );
        StatefulKnowledgeSession ksession = knowledgeBase.newStatefulKnowledgeSession( config, KnowledgeBaseFactory.newEnvironment() );
        PseudoClockScheduler scheduler = (PseudoClockScheduler) ksession.<SessionClock> getSessionClock();
        Marshaller marshaller = MarshallerFactory.newMarshaller( knowledgeBase );

        ksession.insert( "cheese" );
        assertTrue( fired.isEmpty() );
        //marshall, then unmarshall session
        readWrite( knowledgeBase, ksession, config );
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    private void readWrite(KnowledgeBase knowledgeBase,
                           KieSession ksession,
                           KieSessionConfiguration config) {
        try {
            Marshaller marshaller = MarshallerFactory.newMarshaller( knowledgeBase );
            ByteArrayOutputStream o = new ByteArrayOutputStream();
            marshaller.marshall( o, ksession );
            ksession = marshaller.unmarshall( new ByteArrayInputStream( o.toByteArray() ), config, KnowledgeBaseFactory.newEnvironment() );
            ksession.fireAllRules();
            //scheduler = ksession.<SessionClock>getSessionClock();
        } catch ( Exception e ) {
            throw new RuntimeException( e );
        }
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    }

    public void saveSession( FileOutputStream output, KieSession ksession ) throws IOException {
        DroolsObjectOutputStream droolsOut = new DroolsObjectOutputStream( output );
        droolsOut.writeObject( ksession.getKieBase() );
        Marshaller mas = createMarshaller( ksession.getKieBase() );
        mas.marshall( droolsOut, ksession );
        droolsOut.flush();
        droolsOut.close();
    }
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    public KieSession loadSession( FileInputStream input ) throws IOException, ClassNotFoundException {
        KieSession ksession = null;
        DroolsObjectInputStream droolsIn = new DroolsObjectInputStream( input, this.getClass().getClassLoader() );
        try {
            KnowledgeBase kbase = (KnowledgeBase) droolsIn.readObject();
            Marshaller mas = createMarshaller( kbase );
            ksession = mas.unmarshall(droolsIn);
        } catch ( EOFException e ) {
            e.printStackTrace();
            fail( e.getMessage() );
        } finally {
            droolsIn.close();
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Related Classes of org.kie.api.marshalling.Marshaller

  • org.drools.compiler.integrationtests.EventAccessorRestoreTest
  • org.drools.compiler.integrationtests.marshalling.MarshallingTest
  • org.drools.compiler.integrationtests.Misc2Test
  • org.drools.compiler.integrationtests.MiscTest2
  • org.drools.core.common.AbstractWorkingMemory
  • org.drools.core.impl.KnowledgeBaseImpl
  • org.drools.core.impl.StatefulKnowledgeSessionImpl
  • org.drools.core.reteoo.ReteooRuleBase
  • org.drools.core.reteoo.ReteooStatefulSession
  • org.drools.persistence.marshalling.util.MarshallingTestUtil
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