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


            readRightTuples( handle,
                             context );
        }


        EntryPointNode node = ruleBase.getRete().getEntryPointNode( EntryPoint.DEFAULT );
        Map<ObjectType, ObjectTypeNode> objectTypeNodes = node.getObjectTypeNodes();


        // add handles to object type nodes
        for ( InternalFactHandle handle : handles ) {
            Object object = handle.getObject();
            ClassObjectType objectType = new ClassObjectType( object.getClass() );

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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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            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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    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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            readRightTuples( handle,
                             context );
        }


        EntryPointNode node = ruleBase.getRete().getEntryPointNode( EntryPoint.DEFAULT );
        Map<ObjectType, ObjectTypeNode> objectTypeNodes = node.getObjectTypeNodes();


        // add handles to object type nodes
        for ( InternalFactHandle handle : handles ) {
            Object object = handle.getObject();
            ClassObjectType objectType = new ClassObjectType( object.getClass() );

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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(),

View Full Code Here

            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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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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