Package org.drools.core.util

Examples of org.drools.core.util.LinkedList

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    }

    public Activation getNext() {
        Activation activation = null;
        while ( this.index <= lastIndex ) {
            LinkedList list = this.array[this.index];
            if ( list != null ) {
                activation = (Activation) ((LinkedListEntry)list.removeFirst()).getObject();
                if ( list.isEmpty()) {
                    this.array[this.index++] = null;
                }
                this.size--;
                break;
            }
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    public Activation[] getActivations() {
        Activation[] activations = new Activation[this.size];
        int j = 0;
        for ( int i = 0; i < this.array.length; i++ ) {;
            LinkedList list = this.array[i];
            if ( list != null ) {
                Iterator it = list.iterator();
                Activation activation = ( Activation ) ((LinkedListEntry)it.next()).getObject();
                while ( activation != null) {
                    activations[j++] = activation;
                    activation = ( Activation ) it.next();
                }
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    /* (non-Javadoc)
     * @see org.drools.common.BetaNodeConstraints#getConstraints()
     */
    public LinkedList getConstraints() {
        final LinkedList list = new LinkedList();
        return list;
    }
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    }
   
    public void addBlocked(final LinkedListNode node) {       
        // Adds the blocked to the blockers list
        if ( this.blocked == null ) {
            this.blocked = new LinkedList();
        }

        this.blocked.add( node );
        LogicalDependency dep = ( LogicalDependency ) node;
       
        // now ad the blocker to the blocked's list - we need to check that references are null first
        AgendaItem blocked = (AgendaItem)dep.getJustified();
        if ( blocked.blockers == null ) {
            blocked.blockers = new LinkedList();
            blocked.blockers.add( dep.getJustifierEntry() );
        } else if ( dep.getJustifierEntry().getNext() == null && dep.getJustifierEntry().getPrevious() == null && blocked.getBlockers().getFirst() != dep.getJustifierEntry() ) {           
            blocked.blockers.add( dep.getJustifierEntry() );
        }
    }
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        return  this.blockers;
    }   

    public void addLogicalDependency(final LogicalDependency node) {
        if ( this.justified == null ) {
            this.justified = new LinkedList();
        }

        this.justified.add( node );
    }
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     * @param name
     *      The RuleFlowGroup name.
     */
    public RuleFlowGroupImpl(final String name) {
        this.name = name;
        this.list = new LinkedList();
    }
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                             final boolean active,
                             final boolean autoDeactivate) {
        this.name = name;
        this.active = active;
        this.autoDeactivate = autoDeactivate;
        this.list = new LinkedList();
    }
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    public void removeLogicalDependency(final Activation activation,
                                        final LogicalDependency node,
                                        final PropagationContext context) {
        final InternalFactHandle handle = (InternalFactHandle) node.getJustified();
        final LinkedList list = (LinkedList) this.justifiedMap.get( handle.getId() );
        if ( list != null ) {
            list.remove( node.getJustifierEntry() );
            WorkingMemoryAction action = new LogicalRetractCallback( this,
                                                                     node,
                                                                     list,
                                                                     handle,
                                                                     context,
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     *
     * @param handle - The FactHandle to be removed
     * @throws FactException
     */
    public void removeLogicalDependencies(final InternalFactHandle handle) throws FactException {
        final LinkedList list = (LinkedList) this.justifiedMap.remove( handle.getId() );
        if ( list != null && !list.isEmpty() ) {
            for ( LinkedListEntry entry = (LinkedListEntry) list.getFirst(); entry != null; entry = (LinkedListEntry) entry.getNext() ) {
                final LogicalDependency node = (LogicalDependency) entry.getObject();
                node.getJustifier().getLogicalDependencies().remove( node );
            }
        }
    }
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                                                              handle );
        activation.getRule().setHasLogicalDependency( true );

        activation.addLogicalDependency( node );
       
        LinkedList list = (LinkedList) this.justifiedMap.get( handle.getId() );
        if ( list == null ) {
            if ( context.getType() == PropagationContext.MODIFICATION ) {
                // if this was a  update, chances  are its trying  to retract a logical assertion
            }
            list = new LinkedList();
            this.justifiedMap.put( handle.getId(),
                                   list );
        }
        list.add( node.getJustifierEntry() );
    }
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Related Classes of org.drools.core.util.LinkedList

  • org.drools.common.ActivationGroupImpl
  • org.drools.common.AgendaItem
  • org.drools.common.ArrayAgendaGroup
  • org.drools.common.DefaultBetaConstraints
  • org.drools.common.DoubleBetaConstraints
  • org.drools.common.DoubleNonIndexSkipBetaConstraints
  • org.drools.common.EmptyBetaConstraints
  • org.drools.common.QuadroupleBetaConstraints
  • org.drools.common.QuadroupleNonIndexSkipBetaConstraints
  • org.drools.common.RuleFlowGroupImpl
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