Package org.drools.util

Examples of org.drools.util.Iterator

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        if ( this.tupleMemoryEnabled ) {
            memory.getTupleMemory().add( leftTuple );
        }

        final Iterator it = memory.getFactHandleMemory().iterator( leftTuple );
        this.constraints.updateFromTuple( memory.getContext(),
                                          workingMemory,
                                          leftTuple );
       
        for ( FactEntry entry = (FactEntry) it.next(); entry != null; entry = (FactEntry) it.next() ) {
            final InternalFactHandle handle = entry.getFactHandle();
            if ( this.constraints.isAllowedCachedLeft( memory.getContext(),
                                                       handle.getObject() ) ) {
                leftTuple.setMatch( handle );
                break;
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        if ( !this.tupleMemoryEnabled ) {
            // do nothing here, as we know there are no left tuples at this stage in sequential mode.
            return;
        }       

        final Iterator it = memory.getTupleMemory().iterator( handle );
        this.constraints.updateFromFactHandle( memory.getContext(),
                                               workingMemory,
                                               handle );
        for ( ReteTuple tuple = (ReteTuple) it.next(); tuple != null; tuple = (ReteTuple) it.next() ) {
            if ( this.constraints.isAllowedCachedRight( memory.getContext(),
                                                        tuple ) &&  tuple.getMatch() == null) {
                    tuple.setMatch( handle );
                    this.sink.propagateRetractTuple( tuple,
                                                     context,
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        final BetaMemory memory = (BetaMemory) workingMemory.getNodeMemory( this );
        if ( !memory.getFactHandleMemory().remove( handle ) ) {
            return;
        }

        final Iterator it = memory.getTupleMemory().iterator( handle );
        this.constraints.updateFromFactHandle( memory.getContext(),
                                               workingMemory,
                                               handle );
        for ( ReteTuple tuple = (ReteTuple) it.next(); tuple != null; tuple = (ReteTuple) it.next() ) {
            if ( this.constraints.isAllowedCachedRight( memory.getContext(),
                                                        tuple ) ) {
               
                if ( tuple.getMatch() == handle ) {
                    // reset the match                   
                    tuple.setMatch( null );
                   
                    // find next match, remember it and break.
                    final Iterator tupleIt = memory.getFactHandleMemory().iterator( tuple );
                    this.constraints.updateFromTuple( memory.getContext(),
                                                      workingMemory, tuple );
                   
                    for ( FactEntry entry = (FactEntry) tupleIt.next(); entry != null; entry = (FactEntry) tupleIt.next() ) {
                        final InternalFactHandle rightHandle = entry.getFactHandle();
                        if ( this.constraints.isAllowedCachedLeft( memory.getContext(),
                                                                   rightHandle.getObject() ) ) {
                            tuple.setMatch( rightHandle );
                            break;
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    public void updateSink(final TupleSink sink,
                           final PropagationContext context,
                           final InternalWorkingMemory workingMemory) {
        final BetaMemory memory = (BetaMemory) workingMemory.getNodeMemory( this );

        final Iterator tupleIter = memory.getTupleMemory().iterator();
        for ( ReteTuple tuple = (ReteTuple) tupleIter.next(); tuple != null; tuple = (ReteTuple) tupleIter.next() ) {
            if ( tuple.getMatch() == null ) {
                sink.assertTuple( new ReteTuple( tuple ),
                                  context,
                                  workingMemory );
            }
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    public void updateSink(final ObjectSink sink,
                           final PropagationContext context,
                           final InternalWorkingMemory workingMemory) {
        final FactHashTable memory = (FactHashTable) workingMemory.getNodeMemory( this );
        final Iterator it = memory.iterator();
        for ( FactEntry entry = (FactEntry) it.next(); entry != null; entry = (FactEntry) it.next() ) {
            sink.assertObject( entry.getFactHandle(),
                               context,
                               workingMemory );
        }
        this.skipOnModify = canSkipOnModify( this.sink.getSinks() );
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    public void updateSink(final ObjectSink sink,
                           final PropagationContext context,
                           final InternalWorkingMemory workingMemory) {
        // JBRULES-612: the cache MUST be invalidated when a new node type is added to the network, so iterate and reset all caches.
        final ObjectHashMap memory = (ObjectHashMap) workingMemory.getNodeMemory( this );
        Iterator it = memory.iterator();
        final ObjectTypeNode node = (ObjectTypeNode) sink;

        ObjectType newObjectType = node.getObjectType();

        for ( ObjectEntry entry = (ObjectEntry) it.next(); entry != null; entry = (ObjectEntry) it.next() ) {
            ObjectTypeConf objectTypeConf = (ObjectTypeConf) entry.getValue();
            if ( newObjectType.isAssignableFrom( objectTypeConf.getConcreteObjectTypeNode().getObjectType() ) ) {
                objectTypeConf.resetCache();
                ObjectTypeNode sourceNode = objectTypeConf.getConcreteObjectTypeNode();
                FactHashTable table = (FactHashTable) workingMemory.getNodeMemory( sourceNode );
                Iterator factIter = table.iterator();
                for ( FactEntry factEntry = (FactEntry) factIter.next(); factEntry != null; factEntry = (FactEntry) factIter.next() ) {
                    sink.assertObject( factEntry.getFactHandle(),
                                       context,
                                       workingMemory );
                }
            }
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                               this.context,
                               this.workingMemory );
        assertEquals( 2,
                      this.memory.getTupleMemory().size() );

        final Iterator it = this.memory.getTupleMemory().iterator();
        assertEquals( tuple0,
                      it.next() );
        assertEquals( tuple1,
                      it.next() );
    }
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                                this.context,
                                this.workingMemory );
        assertEquals( 2,
                      this.memory.getFactHandleMemory().size() );

        final Iterator it = this.memory.getFactHandleMemory().iterator( new ReteTuple( f0 ) );

        final InternalFactHandle rf0 = ((FactEntry) it.next()).getFactHandle();
        final InternalFactHandle rf1 = ((FactEntry) it.next()).getFactHandle();

        assertEquals( f0,
                      rf0 );
        assertEquals( f1,
                      rf1 );
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        for ( ObjectTypeConf objectTypeConf : wmEntryPoint.getObjectTypeConfigurationRegistry().values() ) {
            if ( newObjectType.isAssignableFrom( objectTypeConf.getConcreteObjectTypeNode().getObjectType() ) ) {
                objectTypeConf.resetCache();
                ObjectTypeNode sourceNode = objectTypeConf.getConcreteObjectTypeNode();
                Iterator it = ((ObjectHashSet) workingMemory.getNodeMemory( sourceNode )).iterator();
                for ( ObjectEntry entry = (ObjectEntry) it.next(); entry != null; entry = (ObjectEntry) it.next() ) {
                    sink.assertObject( (InternalFactHandle) entry.getValue(),
                                       context,
                                       workingMemory );
                }
            }
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    public void updateSink(final LeftTupleSink sink,
                           final PropagationContext context,
                           final InternalWorkingMemory workingMemory) {
        final AccumulateMemory memory = (AccumulateMemory) workingMemory.getNodeMemory( this );

        final Iterator tupleIter = memory.betaMemory.getLeftTupleMemory().iterator();
        for ( LeftTuple leftTuple = (LeftTuple) tupleIter.next(); leftTuple != null; leftTuple = (LeftTuple) tupleIter.next() ) {
            AccumulateContext accctx = (AccumulateContext) memory.betaMemory.getCreatedHandles().get( leftTuple );
            if ( accctx.propagated ) {
                sink.assertLeftTuple( new LeftTuple( leftTuple,
                                                     accctx.result,
                                                     sink,
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Related Classes of org.drools.util.Iterator

  • org.drools.common.ArrayAgendaGroup
  • org.drools.common.RuleFlowGroupImpl
  • org.drools.reteoo.AccumulateNode
  • org.drools.reteoo.AlphaNetworkCompiler
  • org.drools.reteoo.AlphaNode
  • org.drools.reteoo.BetaNode
  • org.drools.reteoo.CollectNode
  • org.drools.reteoo.compiled.ObjectTypeNodeParser
  • org.drools.reteoo.CompositeObjectSinkAdapter
  • org.drools.reteoo.EntryPointNode
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