Examples of org.drools.common.TruthMaintenanceSystem

org.drools.common.TruthMaintenanceSystem
The Truth Maintenance System is responsible for tracking two things. Firstly It maintains a Map to track the classes with the same Equality, using the EqualityKey. The EqualityKey has an internal datastructure which references all the handles which are equal. Secondly It maintains another map tracking the justificiations for logically asserted facts.

    }


    public static void readTruthMaintenanceSystem( MarshallerReaderContext context, 
                                                   RuleData _session ) throws IOException {


        TruthMaintenanceSystem tms = context.wm.getTruthMaintenanceSystem();
        ProtobufMessages.TruthMaintenanceSystem _tms = _session.getTms();
        
        for( ProtobufMessages.EqualityKey _key : _tms.getKeyList() ) {
            InternalFactHandle handle = (InternalFactHandle) context.handles.get( _key.getHandleId() );


            // ObjectTypeConf state is not marshalled, so it needs to be re-determined
            ObjectTypeConf typeConf = context.wm.getObjectTypeConfigurationRegistry().getObjectTypeConf( ((NamedEntryPoint)handle.getEntryPoint()).getEntryPoint(),
                                                                                                         handle.getObject() );
            if (!typeConf.isTMSEnabled()) {
                typeConf.enableTMS();
            }


            EqualityKey key = new EqualityKey( handle,
                                               _key.getStatus() );
            handle.setEqualityKey( key );
            for( Integer factHandleId : _key.getOtherHandleList() ) {
                handle = (InternalFactHandle) context.handles.get( factHandleId.intValue() );
                key.addFactHandle( handle );
                handle.setEqualityKey( key );
            }
            tms.put( key );
        }
        
        for( ProtobufMessages.Justification _justification : _tms.getJustificationList() ) {
            InternalFactHandle handle = (InternalFactHandle) context.handles.get( _justification.getHandleId() );
            
            for( ProtobufMessages.Activation _activation : _justification.getActivationList() ) {
                Activation activation = (Activation) context.filter.getTuplesCache().get( 
                              PersisterHelper.createActivationKey( _activation.getPackageName(), 
                                                                   _activation.getRuleName(), 
                                                                   _activation.getTuple() ) ).getObject();
                PropagationContext pc = activation.getPropagationContext();
                ObjectTypeConf typeConf = context.wm.getObjectTypeConfigurationRegistry().getObjectTypeConf( ((NamedEntryPoint)handle.getEntryPoint()).getEntryPoint(),
                                                                                                             handle.getObject() );                
                tms.readLogicalDependency( handle,
                                           null,
                                           activation, 
                                           pc, 
                                           activation.getRule(),
                                           typeConf );

View Full Code Here

    }


    public static void readTruthMaintenanceSystem( MarshallerReaderContext context ) throws IOException {
        ObjectInputStream stream = context.stream;


        TruthMaintenanceSystem tms = context.wm.getTruthMaintenanceSystem();
        while (stream.readShort() == PersisterEnums.EQUALITY_KEY) {
            int status = stream.readInt();
            int factHandleId = stream.readInt();
            InternalFactHandle handle = (InternalFactHandle) context.handles.get( factHandleId );


            // ObjectTypeConf state is not marshalled, so it needs to be re-determined
            ObjectTypeConf typeConf = context.wm.getObjectTypeConfigurationRegistry().getObjectTypeConf( context.wm.getEntryPoint(),
                                                                                                         handle.getObject() );
            if (!typeConf.isTMSEnabled()) {
                typeConf.enableTMS();
            }


            EqualityKey key = new EqualityKey( handle,
                                               status );
            handle.setEqualityKey( key );
            while (stream.readShort() == PersisterEnums.FACT_HANDLE) {
                factHandleId = stream.readInt();
                handle = (InternalFactHandle) context.handles.get( factHandleId );
                key.addFactHandle( handle );
                handle.setEqualityKey( key );
            }
            tms.put( key );
        }
    }

View Full Code Here

                InternalRuleFlowGroup rfg = (InternalRuleFlowGroup) ( (DefaultAgenda) wm.getAgenda() ).getRuleFlowGroup( rule.getRuleFlowGroup() );
                rfg.addActivation( activation );
            }
        }


        TruthMaintenanceSystem tms = context.wm.getTruthMaintenanceSystem();
        while (stream.readShort() == PersisterEnums.LOGICAL_DEPENDENCY) {
            int factHandleId = stream.readInt();
            InternalFactHandle handle = (InternalFactHandle) context.handles.get( factHandleId );
            ObjectTypeConf typeConf = context.wm.getObjectTypeConfigurationRegistry().getObjectTypeConf( ((NamedEntryPoint)handle.getEntryPoint()).getEntryPoint(),
                                                                                                         handle.getObject() );            
            tms.addLogicalDependency( handle,
                                      null,
                                      activation,
                                      pc,
                                      rule,
                                      typeConf );

View Full Code Here

            cs.addNewResource( f );
            kAgent.applyChangeSet( cs.getChangeSet() );


            ksession = kAgent.getKnowledgeBase().newStatefulKnowledgeSession();


            TruthMaintenanceSystem tms = ((StatefulKnowledgeSessionImpl)ksession).session.getTruthMaintenanceSystem();




            Message message = new Message( );
            message.setMessage("Hello World");
            message.setStatus(Message.HELLO);

View Full Code Here

        String key = "key";
        kSession.setGlobal( "key", key );
        
        kSession.fireAllRules();
        
        TruthMaintenanceSystem tms = ((StatefulKnowledgeSessionImpl)kSession).session.getTruthMaintenanceSystem();
        
        InternalFactHandle fh = ( InternalFactHandle ) kSession.getFactHandle( key );
        
        BeliefSet bs =  ( BeliefSet ) tms.getJustifiedMap().get( fh.getId() );
        assertEquals( "value1", ((LogicalDependency) ((LinkedListEntry)bs.getFirst()).getObject()).getValue() );
        assertEquals( "value2", ((LogicalDependency) ((LinkedListEntry)bs.getFirst().getNext()).getObject()).getValue() );        
    }

View Full Code Here

        workingMemory.retract( h );
        workingMemory = getSerialisedStatefulSession( workingMemory );        
        assertEquals( 0,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );


        TruthMaintenanceSystem tms = ((InternalWorkingMemory) workingMemory).getTruthMaintenanceSystem();


        final java.lang.reflect.Field field = tms.getClass().getDeclaredField( "assertMap" );
        field.setAccessible( true );
        final ObjectHashMap m = (ObjectHashMap) field.get( tms );
        field.setAccessible( false );
        assertEquals( "assertMap should be empty",
                      0,

View Full Code Here

        workingMemory.retract( h );
        workingMemory = getSerialisedStatefulSession( workingMemory );
        assertEquals( 0,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );


        TruthMaintenanceSystem tms = ((InternalWorkingMemory) workingMemory).getTruthMaintenanceSystem();


        final java.lang.reflect.Field field = tms.getClass().getDeclaredField( "assertMap" );
        field.setAccessible( true );
        final ObjectHashMap m = (ObjectHashMap) field.get( tms );
        field.setAccessible( false );
        assertEquals( "assertMap should be empty",
                      0,

View Full Code Here

    }


    public static void readTruthMaintenanceSystem(MarshallerReaderContext context) throws IOException {
        ObjectInputStream stream = context.stream;


        TruthMaintenanceSystem tms = context.wm.getTruthMaintenanceSystem();
        while ( stream.readShort() == PersisterEnums.EQUALITY_KEY ) {
            int status = stream.readInt();
            int factHandleId = stream.readInt();
            InternalFactHandle handle = (InternalFactHandle) context.handles.get( factHandleId );
            
            // ObjectTypeConf state is not marshalled, so it needs to be re-determined
            ObjectTypeConf typeConf = context.wm.getObjectTypeConfigurationRegistry().getObjectTypeConf( context.wm.getEntryPoint(), handle.getObject() );
            if ( !typeConf.isTMSEnabled() ) {
                typeConf.enableTMS();
            }
            
            EqualityKey key = new EqualityKey( handle,
                                               status );
            handle.setEqualityKey( key );
            while ( stream.readShort() == PersisterEnums.FACT_HANDLE ) {
                factHandleId = stream.readInt();
                handle = (InternalFactHandle) context.handles.get( factHandleId );
                key.addFactHandle( handle );
                handle.setEqualityKey( key );
            }
            tms.put( key );
        }
    }

View Full Code Here

                InternalRuleFlowGroup rfg = (InternalRuleFlowGroup) ((DefaultAgenda) wm.getAgenda()).getRuleFlowGroup( rule.getRuleFlowGroup() );
                rfg.addActivation( activation );
            }
        }


        TruthMaintenanceSystem tms = context.wm.getTruthMaintenanceSystem();
        while ( stream.readShort() == PersisterEnums.LOGICAL_DEPENDENCY ) {
            int factHandleId = stream.readInt();
            InternalFactHandle handle = (InternalFactHandle) context.handles.get( factHandleId );
            tms.addLogicalDependency( handle,
                                      activation,
                                      pc,
                                      rule );
        }

View Full Code Here

    }


    public static void readTruthMaintenanceSystem( MarshallerReaderContext context ) throws IOException {
        ObjectInputStream stream = context.stream;


        TruthMaintenanceSystem tms = context.wm.getTruthMaintenanceSystem();
        while (stream.readShort() == PersisterEnums.EQUALITY_KEY) {
            int status = stream.readInt();
            int factHandleId = stream.readInt();
            InternalFactHandle handle = (InternalFactHandle) context.handles.get( factHandleId );


            // ObjectTypeConf state is not marshalled, so it needs to be re-determined
            ObjectTypeConf typeConf = context.wm.getObjectTypeConfigurationRegistry().getObjectTypeConf( context.wm.getEntryPoint(),
                                                                                                         handle.getObject() );
            if (!typeConf.isTMSEnabled()) {
                typeConf.enableTMS();
            }


            EqualityKey key = new EqualityKey( handle,
                                               status );
            handle.setEqualityKey( key );
            while (stream.readShort() == PersisterEnums.FACT_HANDLE) {
                factHandleId = stream.readInt();
                handle = (InternalFactHandle) context.handles.get( factHandleId );
                key.addFactHandle( handle );
                handle.setEqualityKey( key );
            }
            tms.put( key );
        }
    }

View Full Code Here

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Related Classes of org.drools.common.TruthMaintenanceSystem

org.drools.agent.KnowledgeAgentIncrementalWithTMSTest

org.drools.beliefsystem.BeliefSet

org.drools.core.util.LinkedList

org.drools.core.util.ObjectHashMap

org.drools.integrationtests.TruthMaintenanceTest

org.drools.marshalling.impl.InputMarshaller

org.drools.marshalling.impl.ProtobufInputMarshaller

org.drools.marshalling.impl.ProtobufMessages.ActionQueue.LogicalRetract

org.drools.marshalling.impl.ProtobufOutputMarshaller

org.drools.marshalling.InputMarshaller

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