Examples of org.drools.reteoo.EntryPointNode

org.drools.reteoo.EntryPointNode
A node that is an entry point into the Rete network. As we move the design to support network partitions and concurrent processing of parts of the network, we also need to support multiple, independent entry points and this class represents that. It replaces the function of the Rete Node class in previous designs. @see ObjectTypeNode @author Edson Tirelli

                gatherNodeInfo( sink,
                                nodeStack,
                                info );
            }
        } else if ( parent instanceof EntryPointNode ) {
            EntryPointNode epn = (EntryPointNode) parent;
            for ( ObjectTypeNode sink : epn.getObjectTypeNodes().values() ) {
                gatherNodeInfo( sink,
                                nodeStack,
                                info );
            }
        } else if ( parent instanceof ObjectSource ) {

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    public boolean isPartitionManagersActive() {
        return this.threadPool.get() != null;
    }


    private void initTransient() {
        EntryPointNode epn = this.ruleBase.getRete().getEntryPointNode( EntryPoint.DEFAULT );


        this.defaultEntryPoint = new NamedEntryPoint( EntryPoint.DEFAULT,
                                                      epn,
                                                      this );

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    public static ObjectTypeNode attachObjectTypeNode(BuildContext context,
                                                      ObjectType objectType) {
        synchronized ( context.getRuleBase().getPackagesMap() ) {
            InternalWorkingMemory[] wms = context.getWorkingMemories();


            EntryPointNode epn = context.getRuleBase().getRete().getEntryPointNode( context.getCurrentEntryPoint() );
            if ( epn == null ) {
                epn = new EntryPointNode( context.getNextId(),
                                          context.getRuleBase().getRete(),
                                          context );
                if ( wms.length > 0 ) {
                    epn.attach( wms );
                } else {
                    epn.attach();
                }
            }


            ObjectTypeNode otn = new ObjectTypeNode( context.getNextId(),
                                                     epn,

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                context.setAlphaNodeMemoryAllowed( false );
            }
        }


        context.setObjectSource( (ObjectSource) utils.attachNode( context,
                                                                  new EntryPointNode( context.getNextId(),
                                                                                      context.getRuleBase().getRete(),
                                                                                      context ) ) );


        ObjectTypeNode otn = new ObjectTypeNode( context.getNextId(),
                                                 (EntryPointNode) context.getObjectSource(),

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                               final BaseNode candidate) {
        BaseNode node = null;
        RuleBasePartitionId partition = null;
        if ( candidate instanceof EntryPointNode ) {
            // entry point nodes are always shared
            EntryPointNode epn = context.getRuleBase().getRete().getEntryPointNode( ((EntryPointNode) candidate).getEntryPoint() );
            if ( epn != null ) {
                node = epn;
            }
            // all EntryPointNodes belong to the main partition
            partition = RuleBasePartitionId.MAIN_PARTITION;

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    public WorkingMemoryEntryPoint getWorkingMemoryEntryPoint(String name) {
        WorkingMemoryEntryPoint wmEntryPoint = this.entryPoints.get( name );
        if ( wmEntryPoint == null ) {
            EntryPoint entryPoint = new EntryPoint( name );
            EntryPointNode entryPointNode = this.ruleBase.getRete().getEntryPointNode( entryPoint );


            if ( entryPointNode != null ) {
                wmEntryPoint = new NamedEntryPoint( entryPoint,
                                                    entryPointNode,
                                                    this );

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                gatherNodeInfo( sink,
                                nodeStack,
                                info );
            }
        } else if ( parent instanceof EntryPointNode ) {
            EntryPointNode epn = (EntryPointNode) parent;
            for ( ObjectTypeNode sink : epn.getObjectTypeNodes().values() ) {
                gatherNodeInfo( sink,
                                nodeStack,
                                info );
            }
        } else if ( parent instanceof ObjectSource ) {

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            if (initialFactNode == null) {
                // ------ START RANT ------
                // The following code is as bad as it looks, but since I was so far 
                // unable to convince Mark that creating OTNs on demand is really bad,
                // I have to continue doing it :)
                EntryPointNode defaultEPNode = context.ruleBase.getRete().getEntryPointNode( EntryPoint.DEFAULT );
                BuildContext buildContext = new BuildContext( context.ruleBase,
                                                              context.ruleBase.getReteooBuilder().getIdGenerator() );
                buildContext.setPartitionId(RuleBasePartitionId.MAIN_PARTITION);
                buildContext.setObjectTypeNodeMemoryEnabled( true );
                initialFactNode = new ObjectTypeNode( sinkId,

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        final InternalRuleBase ruleBase = context.getRuleBase();
        ruleBase.lock();
        try {
            InternalWorkingMemory[] wms = context.getWorkingMemories();


            EntryPointNode epn = ruleBase.getRete().getEntryPointNode( context.getCurrentEntryPoint() );
            if ( epn == null ) {
                epn = new EntryPointNode( context.getNextId(),
                                          ruleBase.getRete(),
                                          context );
                if ( wms.length > 0 ) {
                    epn.attach( wms );
                } else {
                    epn.attach();
                }
            }


            ObjectTypeNode otn = new ObjectTypeNode( context.getNextId(),
                                                     epn,

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        } else {
            throw new IllegalArgumentException( "Cannot execute arguments " + args );
        }
        ObjectTypeNode otn;
        try {
            EntryPointNode epn = new EntryPointNode( buildContext.getNextId(),
                                                     buildContext.getRuleBase().getRete(),
                                                     buildContext );
            epn.attach();


            otn = new ObjectTypeNode( buildContext.getNextId(),
                                      epn,
                                      new ClassObjectType( Class.forName( type ) ),
                                      buildContext );

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Related Classes of org.drools.reteoo.EntryPointNode

org.drools.common.AbstractWorkingMemory

org.drools.common.InternalWorkingMemory

org.drools.common.InternalWorkingMemoryEntryPoint

org.drools.common.PropagationContextImpl

org.drools.core.util.debug.DefaultNodeInfo

org.drools.core.util.debug.SessionInspector

org.drools.core.util.Iterator

org.drools.factmodel.traits.TraitFieldTMS

org.drools.integrationtests.marshalling.FactHandleMarshallingTest

org.drools.integrationtests.MiscTest

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