Examples of org.drools.core.reteoo.EntryPointNode

org.drools.core.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

                            InternalFactHandle handle = (InternalFactHandle) element;
                            PropagationContext pContext = pctxFactory.createPropagationContext(wm.getNextPropagationIdCounter(), PropagationContext.MODIFICATION,
                                                                                               null, null, handle);
                            ModifyPreviousTuples modifyPreviousTuples = new ModifyPreviousTuples( handle.getFirstLeftTuple(),
                                                                                                  handle.getFirstRightTuple(),
                                                                                                  new EntryPointNode() );
                            handle.clearRightTuples();
                            handle.clearLeftTuples();
                            ((ObjectSink) sink).modifyObject( handle,
                                                              modifyPreviousTuples,
                                                              pContext,

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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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        ruleBase.lock();
        try {
            InternalWorkingMemory[] wms = context.getWorkingMemories();
            NodeFactory nfactory = context.getComponentFactory().getNodeFactoryService();


            EntryPointNode epn = ruleBase.getRete().getEntryPointNode( context.getCurrentEntryPoint() );
            if ( epn == null ) {
                epn = nfactory.buildEntryPointNode( context.getNextId(), ruleBase.getRete(), context );
                epn.attach( context );
            }


            ObjectTypeNode otn = nfactory.buildObjectTypeNode( context.getNextId(), epn, objectType, context );


            long expirationOffset = getExpiratioOffsetForType( context,

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import java.io.Serializable;


public class PhreakNodeFactory implements NodeFactory, Serializable {


    public EntryPointNode buildEntryPointNode(int id, ObjectSource objectSource, BuildContext context) {
        return new EntryPointNode(id, objectSource, context);
    }

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    public EntryPointNode buildEntryPointNode(int id, ObjectSource objectSource, BuildContext context) {
        return new EntryPointNode(id, objectSource, context);
    }


    public EntryPointNode buildEntryPointNode(int id, RuleBasePartitionId partitionId, boolean partitionsEnabled, ObjectSource objectSource, EntryPointId entryPoint) {
        return new EntryPointNode(id, partitionId, partitionsEnabled, objectSource, entryPoint);
    }

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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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            }
        }
    }


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


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

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                      BuildUtils utils,
                      RuleConditionElement rce) {
        final EntryPoint entry = (EntryPoint) rce;
        context.setCurrentEntryPoint( entry );
        
        EntryPointNode epn = context.getRuleBase().getRete().getEntryPointNode( entry );
        if( epn == null ) {
            context.setObjectSource( (ObjectSource) utils.attachNode( context,
                                                                      new EntryPointNode( context.getNextId(),
                                                                                          context.getRuleBase().getRete(),
                                                                                          context ) ) );
        } else {
            context.setObjectSource( epn );
        }

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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 );
                epn.attach( context );
            }


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

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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 );
                epn.attach( context );
            }


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

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Related Classes of org.drools.core.reteoo.EntryPointNode

org.drools.compiler.integrationtests.marshalling.FactHandleMarshallingTest

org.drools.compiler.integrationtests.QueryTest

org.drools.compiler.phreak.BetaNodeBuilder

org.drools.core.common.AbstractWorkingMemory

org.drools.core.common.InternalWorkingMemoryEntryPoint

org.drools.core.common.PropagationContextFactory

org.drools.core.common.PropagationContextImpl

org.drools.core.impl.KnowledgeBaseImpl

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