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

                      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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            }
        }
    }


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


        this.defaultEntryPoint = new NamedEntryPoint( EntryPoint.DEFAULT,
                                                      epn,
                                                      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 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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        final InternalRuleBase ruleBase = context.getRuleBase();
        ruleBase.readLock();
        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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        AbstractWorkingMemory abstractWorkingMemory = (AbstractWorkingMemory) reteWorkingMemory;


        InternalRuleBase ruleBase = (InternalRuleBase) abstractWorkingMemory.getRuleBase();
        Collection<EntryPointNode> entryPointNodes = ruleBase.getRete().getEntryPointNodes().values();


        EntryPointNode defaultEntryPointNode = null;
        for ( EntryPointNode epNode : entryPointNodes ) {
            if ( epNode.getEntryPoint().getEntryPointId() == "DEFAULT" ) {
                defaultEntryPointNode = epNode;
                break;
            }
        }
        assertNotNull( defaultEntryPointNode );


        Map<ObjectType, ObjectTypeNode> obnodes = defaultEntryPointNode.getObjectTypeNodes();


        ObjectType key = new ClassObjectType( DroolsQuery.class );
        ObjectTypeNode droolsQueryNode = obnodes.get( key );
        ObjectHashSet droolsQueryMemory = (ObjectHashSet) abstractWorkingMemory.getNodeMemory( droolsQueryNode );
        assertEquals( 0,

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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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                               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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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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