Package org.drools.reteoo

Examples of org.drools.reteoo.ReteooWorkingMemory$QueryResultRetractAction

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            factHandle = ksession.insert( object );
        } else {
            factHandle = ksession.getWorkingMemoryEntryPoint( this.entryPoint ).insert( object );
        }
       
        ReteooWorkingMemory session = ((StatefulKnowledgeSessionImpl)ksession).session;

        if ( outIdentifier != null ) {
            if ( this.returnObject ) {
                session.getExecutionResult().getResults().put( this.outIdentifier,
                                                               object );
            }
            session.getExecutionResult().getFactHandles().put( this.outIdentifier,
                                                         factHandle );
        }
        if ( disconnected ){
            ((DefaultFactHandle)factHandle).disconnect();
        }
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            return group1.getName().compareTo( group2.getName() );
        }
    }

    public static void writeActionQueue(MarshallerWriteContext context) throws IOException {
        ReteooWorkingMemory wm = (ReteooWorkingMemory) context.wm;

        WorkingMemoryAction[] queue = wm.getActionQueue().toArray( new WorkingMemoryAction[wm.getActionQueue().size()] );
        for ( int i = queue.length - 1; i >= 0; i-- ) {
            context.writeShort( PersisterEnums.WORKING_MEMORY_ACTION );
            queue[i].write( context );
        }
        context.writeShort( PersisterEnums.END );
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            // if we have an agent always get the rulebase from there
            this.ruleBase = (InternalRuleBase) ((KnowledgeBaseImpl) this.kagent.getKnowledgeBase()).ruleBase;
        }
        this.ruleBase.readLock();
        try {
            ReteooWorkingMemory wm = new ReteooWorkingMemory( this.ruleBase.nextWorkingMemoryCounter(),
                                                              this.ruleBase,
                                                              (SessionConfiguration) this.conf,
                                                              this.environment );

            // we don't pass the mapped listener wrappers to the session constructor anymore,
            // because they would be ignored anyway, since the wm already contains those listeners
            StatefulKnowledgeSessionImpl ksession = new StatefulKnowledgeSessionImpl( wm,
                                                                                      new KnowledgeBaseImpl( this.ruleBase ) );

            ((Globals) wm.getGlobalResolver()).setDelegate( this.sessionGlobals );
            wm.setKnowledgeRuntime( ksession );
            wm.setAgendaEventSupport( this.agendaEventSupport );
            wm.setWorkingMemoryEventSupport( this.workingMemoryEventSupport );
            InternalProcessRuntime processRuntime = wm.getProcessRuntime();
            if (processRuntime != null) {
              processRuntime.setProcessEventSupport( this.processEventSupport );
            }

            final InternalFactHandle handle =  wm.getFactHandleFactory().newFactHandle( InitialFactImpl.getInstance(),
                                                                                        wm.getObjectTypeConfigurationRegistry().getObjectTypeConf( EntryPoint.DEFAULT,
                                                                                                                                                   InitialFactImpl.getInstance() ),
                                                                                        wm,
                                                                                        wm);

            wm.queueWorkingMemoryAction( new WorkingMemoryReteAssertAction( handle,
                                                                            false,
                                                                            true,
                                                                            null,
                                                                            null ) );
            return ksession;
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        ((StatelessKnowledgeSessionImpl) session).workingMemoryEventSupport.addEventListener( this );
        ((StatelessKnowledgeSessionImpl) session).agendaEventSupport.addEventListener( this );
        ((StatelessKnowledgeSessionImpl) session).processEventSupport.addEventListener( this );
        ((StatelessKnowledgeSessionImpl) session).getRuleBase().addEventListener( this );
      } else if (session instanceof CommandBasedStatefulKnowledgeSession) {
        ReteooWorkingMemory eventManager =
          ((StatefulKnowledgeSessionImpl)((KnowledgeCommandContext)((CommandBasedStatefulKnowledgeSession) session).getCommandService().getContext()).getStatefulKnowledgesession()).session;
        eventManager.addEventListener( (WorkingMemoryEventListener) this );
        eventManager.addEventListener( (AgendaEventListener) this );
        InternalProcessRuntime processRuntime = eventManager.getProcessRuntime();
        eventManager.addEventListener( (RuleBaseEventListener) this );
        if (processRuntime != null) {
          processRuntime.addEventListener( (ProcessEventListener) this ); 
        }
      } else {
        throw new IllegalArgumentException("Not supported session in logger: " + session.getClass());
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      return null;
    }
    }

    public static void writeSession(MarshallerWriteContext context) throws IOException {
        ReteooWorkingMemory wm = (ReteooWorkingMemory) context.wm;
       
        final boolean multithread = wm.isPartitionManagersActive();
        // is multi-thread active?
        if( multithread ) {
            context.writeBoolean( true );
            wm.stopPartitionManagers();
        } else {
            context.writeBoolean( false );
        }

        context.writeInt( wm.getFactHandleFactory().getId() );
        context.writeLong( wm.getFactHandleFactory().getRecency() );
        ////context.out.println( "FactHandleFactory int:" + wm.getFactHandleFactory().getId() + " long:" + wm.getFactHandleFactory().getRecency() );

        InternalFactHandle handle = context.wm.getInitialFactHandle();
        context.writeInt( handle.getId() );
        context.writeLong( handle.getRecency() );
        //context.out.println( "InitialFact int:" + handle.getId() + " long:" + handle.getRecency() );

        context.writeLong( wm.getPropagationIdCounter() );
        //context.out.println( "PropagationCounter long:" + wm.getPropagationIdCounter() );

        writeAgenda( context );

        writeFactHandles( context );

        writeActionQueue( context );
       
        writeTruthMaintenanceSystem( context );

        if ( context.marshalProcessInstances && processMarshaller != null ) {
            processMarshaller.writeProcessInstances( context );
        }

        if ( context.marshalWorkItems  && processMarshaller != null ) {
          processMarshaller.writeWorkItems( context );
        }

        if ( processMarshaller != null ) {
          processMarshaller.writeProcessTimers( context );
        }
       
        if( multithread ) {
            wm.startPartitionManagers();
        }
    }
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        PersisterHelper.writeToStreamWithHeader(context,
                _session);
    }

    private static ProtobufMessages.KnowledgeSession serializeSession(MarshallerWriteContext context) throws IOException {
        ReteooWorkingMemory wm = (ReteooWorkingMemory) context.wm;
        wm.getAgenda().unstageActivations();

        ProtobufMessages.RuleData.Builder _ruleData = ProtobufMessages.RuleData.newBuilder();

        final boolean multithread = wm.isPartitionManagersActive();
        if (multithread) {
            wm.stopPartitionManagers();
        }

        long time = 0;
        if (context.wm.getTimerService() instanceof PseudoClockScheduler) {
            time = context.clockTime;
        }
        _ruleData.setLastId(wm.getFactHandleFactory().getId());
        _ruleData.setLastRecency(wm.getFactHandleFactory().getRecency());

        InternalFactHandle handle = context.wm.getInitialFactHandle();
        if ( handle != null ) {
            ProtobufMessages.FactHandle _ifh = ProtobufMessages.FactHandle.newBuilder()
                    .setType(ProtobufMessages.FactHandle.HandleType.INITIAL_FACT)
                    .setId(handle.getId())
                    .setRecency(handle.getRecency())
                    .build();
            _ruleData.setInitialFact(_ifh);
        }

        writeAgenda(context, _ruleData);

        writeNodeMemories(context, _ruleData);

        for (WorkingMemoryEntryPoint wmep : wm.getEntryPoints().values()) {
            org.drools.marshalling.impl.ProtobufMessages.EntryPoint.Builder _epb = ProtobufMessages.EntryPoint.newBuilder();
            _epb.setEntryPointId(wmep.getEntryPointId());

            writeObjectTypeConfiguration(context,
                    ((InternalWorkingMemoryEntryPoint) wmep).getObjectTypeConfigurationRegistry(),
                    _epb);

            writeFactHandles(context,
                    _epb,
                    ((NamedEntryPoint) wmep).getObjectStore());
            _ruleData.addEntryPoint(_epb.build());
        }

        writeActionQueue(context,
                _ruleData);

        writeTruthMaintenanceSystem(context,
                _ruleData);

        ProtobufMessages.KnowledgeSession.Builder _session = ProtobufMessages.KnowledgeSession.newBuilder()
                .setMultithread(multithread)
                .setTime(time)
                .setRuleData(_ruleData.build());

        if (processMarshaller != null) {
            Builder _pdata = ProtobufMessages.ProcessData.newBuilder();
            if (context.marshalProcessInstances) {
                context.parameterObject = _pdata;
                processMarshaller.writeProcessInstances(context);
            }

            if (context.marshalWorkItems) {
                context.parameterObject = _pdata;
                processMarshaller.writeWorkItems(context);
            }

            // this now just assigns the writer, it will not write out any timer information
            context.parameterObject = _pdata;
            processMarshaller.writeProcessTimers(context);

            _session.setProcessData(_pdata.build());
        }

        Timers _timers = writeTimers(context.wm.getTimerService().getTimerJobInstances(),
                context);
        if (_timers != null) {
            _session.setTimers(_timers);
        }

        if (multithread) {
            wm.startPartitionManagers();
        }

        return _session.build();
    }
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    }

    public static void writeActionQueue(MarshallerWriteContext context,
            ProtobufMessages.RuleData.Builder _session) throws IOException {

        ReteooWorkingMemory wm = (ReteooWorkingMemory) context.wm;
        if (!wm.getActionQueue().isEmpty()) {
            ProtobufMessages.ActionQueue.Builder _queue = ProtobufMessages.ActionQueue.newBuilder();

            WorkingMemoryAction[] queue = wm.getActionQueue().toArray(new WorkingMemoryAction[wm.getActionQueue().size()]);
            for (int i = queue.length - 1; i >= 0; i--) {
                _queue.addAction(queue[i].serialize(context));
            }
            _session.setActionQueue(_queue.build());
        }
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        }

    }

    public static void readActionQueue( MarshallerReaderContext context ) throws IOException, ClassNotFoundException {
        ReteooWorkingMemory wm = (ReteooWorkingMemory) context.wm;
        Queue<WorkingMemoryAction> actionQueue = wm.getActionQueue();
        while (context.readShort() == PersisterEnums.WORKING_MEMORY_ACTION) {
            actionQueue.offer( PersisterHelper.readWorkingMemoryAction( context ) );
        }
    }
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            // if we have an agent always get the rulebase from there
            this.ruleBase = (InternalRuleBase) ((KnowledgeBaseImpl) this.kagent.getKnowledgeBase()).ruleBase;
        }
        this.ruleBase.readLock();
        try {
            ReteooWorkingMemory wm = new ReteooWorkingMemory( this.ruleBase.nextWorkingMemoryCounter(),
                                                              this.ruleBase,
                                                              (SessionConfiguration) this.conf,
                                                              this.environment );

            // we don't pass the mapped listener wrappers to the session constructor anymore,
            // because they would be ignored anyway, since the wm already contains those listeners
            StatefulKnowledgeSessionImpl ksession = new StatefulKnowledgeSessionImpl( wm,
                                                                                      new KnowledgeBaseImpl( this.ruleBase ) );

            ((Globals) wm.getGlobalResolver()).setDelegate( this.sessionGlobals );
            if (!initialized) {
              // copy over the default generated listeners that are used for internal stuff once
              for (org.drools.event.AgendaEventListener listener: wm.getAgendaEventSupport().getEventListeners()) {
                this.agendaEventSupport.addEventListener(listener);
              }
                for (org.drools.event.WorkingMemoryEventListener listener: wm.getWorkingMemoryEventSupport().getEventListeners()) {
                  this.workingMemoryEventSupport.addEventListener(listener);
                }
                InternalProcessRuntime processRuntime = wm.getProcessRuntime();
                if (processRuntime != null) {
                  for (ProcessEventListener listener: processRuntime.getProcessEventListeners()) {
                    this.processEventSupport.addEventListener(listener);
                  }
                }
                initialized = true;
            }
            wm.setAgendaEventSupport( this.agendaEventSupport );
            wm.setWorkingMemoryEventSupport( this.workingMemoryEventSupport );
            InternalProcessRuntime processRuntime = wm.getProcessRuntime();
            if (processRuntime != null) {
                processRuntime.setProcessEventSupport( this.processEventSupport );
            }

            final InternalFactHandle handle =  wm.getFactHandleFactory().newFactHandle( InitialFactImpl.getInstance(),
                                                                                        wm.getObjectTypeConfigurationRegistry().getObjectTypeConf( EntryPoint.DEFAULT,
                                                                                                                                                   InitialFactImpl.getInstance() ),
                                                                                        wm,
                                                                                        wm);

            wm.queueWorkingMemoryAction( new WorkingMemoryReteAssertAction( handle,
                                                                            false,
                                                                            true,
                                                                            null,
                                                                            null ) );
            return ksession;
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        return this.ruleBase;
    }

    public InternalWorkingMemory newWorkingMemory() {
        synchronized ( this.ruleBase.getPackagesMap() ) {
            InternalWorkingMemory wm = new ReteooWorkingMemory( this.ruleBase.nextWorkingMemoryCounter(),
                                                                this.ruleBase,
                                                                (SessionConfiguration) this.conf );

            DelegatingGlobalResolver resolver = new DelegatingGlobalResolver();
            resolver.setDelegate( this.sessionGlobals );

            wm.setGlobalResolver( resolver );
            wm.setWorkingMemoryEventSupport( this.workingMemoryEventSupport );
            wm.setAgendaEventSupport( this.agendaEventSupport );
            wm.setRuleFlowEventSupport( this.ruleFlowEventSupport );

            final InitialFactHandleDummyObject initialFact = new InitialFactHandleDummyObject();
            final InitialFactHandle handle = new InitialFactHandle( wm.getFactHandleFactory().newFactHandle( initialFact,
                                                                                                             wm.getObjectTypeConfigurationRegistry().getObjectTypeConf( EntryPoint.DEFAULT,
                                                                                                                                                                        initialFact ),
                                                                                                             wm ) );

            wm.queueWorkingMemoryAction( new WorkingMemoryReteAssertAction( handle,
                                                                            false,
                                                                            true,
                                                                            null,
                                                                            null ) );
            return wm;
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Related Classes of org.drools.reteoo.ReteooWorkingMemory$QueryResultRetractAction

  • org.drools.audit.WorkingMemoryLogger
  • org.drools.base.DroolsQuery
  • org.drools.base.NonCloningQueryViewListener
  • org.drools.base.StandardQueryViewChangedEventListener
  • org.drools.command.runtime.rule.FireUntilHaltCommand
  • org.drools.command.runtime.rule.InsertObjectCommand
  • org.drools.common.ActiveActivationsIteratorTest
  • org.drools.common.DefaultAgenda
  • org.drools.common.EventFactHandle
  • org.drools.common.InternalFactHandle
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