Examples of org.drools.rule.EntryPoint

org.drools.rule.EntryPoint
This class defines a Rete "Entry Point". An entry point is used as a source of facts that are scoped to a separate alpha network. The alpha network is not shared among separate entry points and this allows them to safelly run in parallel and concurrent modes.


        int activeActivations = stream.readInt();
        int dormantActivations = stream.readInt();
        String entryPointId = stream.readUTF();


        EntryPoint entryPoint = context.entryPoints.get( entryPointId );
        if (entryPoint == null) {
            entryPoint = new EntryPoint( entryPointId );
            context.entryPoints.put( entryPointId,
                                     entryPoint );
        }


        PropagationContext pc = new PropagationContextImpl( propagationNumber,

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     *            The working memory session.
     */
    public void assertObject(final InternalFactHandle factHandle,
                             final PropagationContext context,
                             final InternalWorkingMemory workingMemory) {
        EntryPoint entryPoint = context.getEntryPoint();
        EntryPointNode node = this.entryPoints.get( entryPoint );
        ObjectTypeConf typeConf = ((InternalWorkingMemoryEntryPoint) workingMemory.getWorkingMemoryEntryPoint( entryPoint.getEntryPointId() )).getObjectTypeConfigurationRegistry().getObjectTypeConf( entryPoint,
                                                                                                                                                                                                       factHandle.getObject() );
        node.assertObject( factHandle,
                           context,
                           typeConf,
                           workingMemory );

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     *            The working memory session.
     */
    public void retractObject(final InternalFactHandle handle,
                              final PropagationContext context,
                              final InternalWorkingMemory workingMemory) {
        EntryPoint entryPoint = context.getEntryPoint();
        EntryPointNode node = this.entryPoints.get( entryPoint );
        ObjectTypeConf typeConf = ((InternalWorkingMemoryEntryPoint) workingMemory.getWorkingMemoryEntryPoint( entryPoint.getEntryPointId() )).getObjectTypeConfigurationRegistry().getObjectTypeConf( entryPoint,
                                                                                                                                                                                                       handle.getObject() );
        node.retractObject( handle,
                            context,
                            typeConf,
                            workingMemory );

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        // first create a temporary cache to find which entry points were removed from the network
        Map<String, WorkingMemoryEntryPoint> cache = new HashMap<String, WorkingMemoryEntryPoint>( this.entryPoints );


        // now, add any entry point that was added to the knowledge base
        for ( EntryPointNode entryPointNode : reteEPs.values() ) {
            EntryPoint id = entryPointNode.getEntryPoint();
            cache.remove( id.getEntryPointId() );
            if ( !EntryPoint.DEFAULT.equals( id ) && !this.entryPoints.containsKey( id ) ) {
                WorkingMemoryEntryPoint wmEntryPoint = new NamedEntryPoint( id,
                                                                            entryPointNode,
                                                                            this );
                this.entryPoints.put( entryPointNode.getEntryPoint().getEntryPointId(),

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        int activeActivations = stream.readInt();
        int dormantActivations = stream.readInt();
        String entryPointId = stream.readUTF();


        EntryPoint entryPoint = context.entryPoints.get( entryPointId );
        if ( entryPoint == null ) {
            entryPoint = new EntryPoint( entryPointId );
            context.entryPoints.put( entryPointId,
                                     entryPoint );
        }


        PropagationContext pc = new PropagationContextImpl( propagationNumber,

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        int activeActivations = stream.readInt();
        int dormantActivations = stream.readInt();
        String entryPointId = stream.readUTF();


        EntryPoint entryPoint = context.entryPoints.get( entryPointId );
        if (entryPoint == null) {
            entryPoint = new EntryPoint( entryPointId );
            context.entryPoints.put( entryPointId,
                                     entryPoint );
        }


        PropagationContext pc = new PropagationContextImpl( propagationNumber,

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        // add handles to object type nodes
        for (InternalFactHandle factHandle : handles) {
            Object object = factHandle.getObject();


            EntryPoint ep = ( (InternalWorkingMemoryEntryPoint) factHandle.getEntryPoint() ).getEntryPoint();


            ObjectTypeConf typeConf = ( (InternalWorkingMemoryEntryPoint) factHandle.getEntryPoint() ).getObjectTypeConfigurationRegistry().getObjectTypeConf( ep,
                                                                                                                                                               object );
            ObjectTypeNode[] cachedNodes = typeConf.getObjectTypeNodes();
            for (int i = 0, length = cachedNodes.length; i < length; i++) {

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    public boolean addActivation(final AgendaItem activation) { 
        if ( declarativeAgenda ) {
            if (  activationObjectTypeConf == null ) {
                EntryPoint ep = workingMemory.getEntryPoint();
                activationObjectTypeConf =  ((InternalWorkingMemoryEntryPoint) workingMemory.getWorkingMemoryEntryPoint( ep.getEntryPointId() )).getObjectTypeConfigurationRegistry().getObjectTypeConf( ep,
                                                                                                                                                                                                         activation );
            }
            
            InternalFactHandle factHandle = workingMemory.getFactHandleFactory().newFactHandle( activation, activationObjectTypeConf, workingMemory, workingMemory );
            workingMemory.getEntryPointNode().assertActivation( factHandle, activation.getPropagationContext(), workingMemory );

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        Rete rete = rbase.getRete();
        EntryPointNode epn = new EntryPointNode( rbase.getReteooBuilder().getIdGenerator().getNextId(),
                                                 RuleBasePartitionId.MAIN_PARTITION,
                                                 rbase.getConfig().isMultithreadEvaluation(),
                                                 rete,
                                                 new EntryPoint( "xxx" ) );
        
        
        rbase.getRete().addObjectSink( epn );
        StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
        org.drools.runtime.rule.FactHandle f1 = ksession.insert( "f1" );

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        int activeActivations = stream.readInt();
        int dormantActivations = stream.readInt();
        String entryPointId = stream.readUTF();


        EntryPoint entryPoint = context.entryPoints.get( entryPointId );
        if ( entryPoint == null ) {
            entryPoint = new EntryPoint( entryPointId );
            context.entryPoints.put( entryPointId,
                                     entryPoint );
        }


        PropagationContext pc = new PropagationContextImpl( propagationNumber,

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Related Classes of org.drools.rule.EntryPoint

org.drools.common.AbstractWorkingMemory

org.drools.common.DefaultAgenda

org.drools.marshalling.impl.InputMarshaller

org.drools.marshalling.InputMarshaller

org.drools.reteoo.builder.EntryPointBuilder

org.drools.reteoo.builder.ReteooRuleBuilder

org.drools.reteoo.ObjectTypeNode$ExpireJobContextTimerInputMarshaller

org.drools.reteoo.Rete

org.drools.reteoo.ReteooWorkingMemoryTest

org.drools.rule.builder.EntryPointBuilder

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