Package org.drools.core.beliefsystem

Examples of org.drools.core.beliefsystem.BeliefSet

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    }

    public void execute(InternalWorkingMemory workingMemory) {
        NamedEntryPoint nep = (NamedEntryPoint) handle.getEntryPoint() ;

        BeliefSet bs = handle.getEqualityKey().getBeliefSet();
        bs.setWorkingMemoryAction( null );

        if ( update ) {
            if ( !bs.isEmpty() ) {
                // We need the isEmpty check, in case the BeliefSet was made empty (due to retract) after this was scheduled
                ((NamedEntryPoint) handle.getEntryPoint() ).update( handle, true, handle.getObject(), Long.MAX_VALUE, Object.class, null );
            }
        } else  {
            if ( fullyRetract ) {
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                                                                                                             false,
                                                                                                             true,
                                                                                                             query,
                                                                                                             (RuleTerminalNodeLeftTuple) resultLeftTuple );
                    }
                    BeliefSet bs = handle.getEqualityKey().getBeliefSet();
                    if ( bs == null ) {
                        abduced = handle.getObject();
                    } else {
                        if ( ! bs.isPositive() ) {
                            pass = false;
                        }
                    }
                } else {
                    // query was successful, but nothing could be abduced.
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                                     final Activation activation,
                                     final PropagationContext context,
                                     final RuleImpl rule,
                                     final ObjectTypeConf typeConf,
                                     final boolean read) {
        BeliefSet beliefSet = handle.getEqualityKey().getBeliefSet();
        if ( beliefSet == null ) {
            if ( context.getType() == PropagationContext.MODIFICATION ) {
                // if this was a  update, chances  are its trying  to retract a logical assertion
            }
            beliefSet = beliefSystem.newBeliefSet( handle );
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import org.drools.core.spi.PropagationContext;

public class TruthMaintenanceSystemHelper {

    public static void removeLogicalDependencies(final InternalFactHandle handle, final PropagationContext propagationContext ) {
        final BeliefSet beliefSet = handle.getEqualityKey().getBeliefSet();
        if ( beliefSet != null && !beliefSet.isEmpty() ) {
            beliefSet.cancel(propagationContext);
        }
    }
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            beliefSet.cancel(propagationContext);
        }
    }
   
    public static void clearLogicalDependencies(final InternalFactHandle handle, final PropagationContext propagationContext ) {
        final BeliefSet beliefSet = handle.getEqualityKey().getBeliefSet();
        if ( beliefSet != null && !beliefSet.isEmpty() ) {
            beliefSet.clear(propagationContext);
        }
    }   
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        activation.setLogicalDependencies( null );
    }

    public static void removeLogicalDependency(final LogicalDependency node,
                                               final PropagationContext context) {
        final BeliefSet beliefSet = ( BeliefSet ) node.getJustified();
        beliefSet.getBeliefSystem().delete( node, beliefSet, context );
    }
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                                     final Activation activation,
                                     final PropagationContext context,
                                     final Rule rule,
                                     final ObjectTypeConf typeConf,
                                     final boolean read) throws FactException {
        BeliefSet beliefSet = handle.getEqualityKey().getBeliefSet();
        if ( beliefSet == null ) {
            if ( context.getType() == PropagationContext.MODIFICATION ) {
                // if this was a  update, chances  are its trying  to retract a logical assertion
            }
            beliefSet = beliefSystem.newBeliefSet( handle );
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        }

        public void execute(InternalWorkingMemory workingMemory) {
            NamedEntryPoint nep = (NamedEntryPoint) handle.getEntryPoint() ;
           
            BeliefSet bs = handle.getEqualityKey().getBeliefSet();
            bs.setWorkingMemoryAction( null );
           
            if ( update ) {
                if ( !bs.isEmpty() ) {
                    // We need the isEmpty check, in case the BeliefSet was made empty (due to retract) after this was scheduled
                    ((NamedEntryPoint) handle.getEntryPoint() ).update( handle, true, handle.getObject(), Long.MAX_VALUE, Object.class, null );
                }
            } else  {
                if ( fullyRetract ) {
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        TruthMaintenanceSystem tms = ((NamedEntryPoint)((StatefulKnowledgeSessionImpl)kSession).session.getWorkingMemoryEntryPoint( EntryPointId.DEFAULT.getEntryPointId() ) ).getTruthMaintenanceSystem();
       
        InternalFactHandle fh = ( InternalFactHandle ) kSession.getFactHandle( key );
       
        BeliefSet bs =  fh.getEqualityKey().getBeliefSet();
       
        assertEquals( "value1", ((LogicalDependency) ((LinkedListEntry)bs.getFirst()).getObject()).getValue() );
        assertEquals( "value2", ((LogicalDependency) ((LinkedListEntry)bs.getFirst().getNext()).getObject()).getValue() );       
    }   
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        for ( Object o : session.getObjects() ) {
            System.out.println( ">>> " + o );
            if ( o.getClass().equals( session.getKieBase().getFactType( "org.drools.tms.test", "CitizenUS" ) ) ) {
                InternalFactHandle h = (InternalFactHandle) session.getFactHandle( o );
                BeliefSet bs = h.getEqualityKey().getBeliefSet();
                assertTrue( bs.isPositive() );
                assertEquals( 2, bs.size() );
            }
        }


    }
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Related Classes of org.drools.core.beliefsystem.BeliefSet

  • org.drools.compiler.beliefsystem.abductive.AbductionTest
  • org.drools.compiler.beliefsystem.defeasible.DefeasibilityTest
  • org.drools.compiler.integrationtests.TruthMaintenanceTest
  • org.drools.core.beliefsystem.simple.BeliefSystemLogicalCallback
  • org.drools.core.beliefsystem.simple.ReteSimpleBeliefSystem$LogicalCallback
  • org.drools.core.common.TruthMaintenanceSystem
  • org.drools.core.common.TruthMaintenanceSystem$LogicalCallback
  • org.drools.core.common.TruthMaintenanceSystemHelper
  • org.drools.core.reteoo.QueryElementNode$UnificationNodeViewChangedEventListener
  • org.drools.reteoo.common.LogicalAssertionTest
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