Examples of org.drools.factmodel.traits.TraitableBean

org.drools.factmodel.traits.TraitableBean


    public <T, K> T don( K core, Class<T> trait, boolean logical ) {
        TraitFactory builder = new TraitFactory( this.getKnowledgeRuntime().getKnowledgeBase() );
        boolean needsUpdate = false;


        TraitableBean inner;
        if ( core instanceof TraitableBean) {
            inner = (TraitableBean) core;
        } else {
            CoreWrapper<K> wrapper = builder.getCoreWrapper( core.getClass() );
            if ( wrapper == null ) {
                throw new UnsupportedOperationException( "Error: cannot apply a trait to non-traitable class " + core.getClass() );
            }
            wrapper.init( core );
            inner = wrapper;


            needsUpdate = true;
        }




        T thing;
        if ( inner.hasTrait( trait.getName() ) ) {
            return (T) inner.getTrait( trait.getName() );
        } else {
            thing = (T) builder.getProxy( inner, trait );
        }


        if ( needsUpdate ) {
            this.update( getFactHandle( core ), inner );
        }


        if ( ! inner.hasTrait( Thing.class.getName() ) ) {
            insert( don( inner, Thing.class, false ) );
        }


        if ( logical ) {
            insertLogical( thing );

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            if ( handle.isDisconnected() ) {
                handle = this.objectStore.reconnect( handle );
            }


            if ( handle.isTraitable() ) {
                TraitableBean traitableBean = (TraitableBean) handle.getObject();
                if( traitableBean.hasTraits() ){
                    PriorityQueue<TraitProxy> removedTypes =
                            new PriorityQueue<TraitProxy>( traitableBean._getTraitMap().values().size() );
                    removedTypes.addAll( traitableBean._getTraitMap().values() );


                    while ( ! removedTypes.isEmpty() ) {
                        TraitProxy proxy = removedTypes.poll();
                        if ( ! proxy.isVirtual() ) {
                            retract( getFactHandle( proxy ),

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    protected <T, K> T applyManyTraits( K core, Collection<Class<? extends Thing>> traits, Object value, boolean logical) throws LogicalTypeInconsistencyException {
        // Precondition : traits is not empty, checked by don


        TraitFactory builder = TraitFactory.getTraitBuilderForKnowledgeBase( this.getKnowledgeRuntime().getKnowledgeBase() );


        TraitableBean inner = makeTraitable( core, builder, logical );


        Collection<Thing> mostSpecificTraits = inner.getMostSpecificTraits();
        boolean newTraitsAdded = false;
        T firstThing = null;
        Map<Thing, BitSet> things = new HashMap<Thing, BitSet>( traits.size() );


        for ( Class<?> trait : traits ) {
            boolean needsProxy = trait.isAssignableFrom( inner.getClass() );
            boolean hasTrait = inner.hasTrait( trait.getName() );
            boolean needsUpdate = needsProxy || core != inner;


            if ( ! hasTrait ) {
                BitSet boundary = inner.getCurrentTypeCode() != null ? (BitSet) inner.getCurrentTypeCode().clone() : null;


                T thing = (T) asTrait( core, inner, trait, needsProxy, hasTrait, needsUpdate, builder, logical );


                configureTrait( thing, value );

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    protected <T, K> T applyTrait( K core, Class<T> trait, Object value, boolean logical ) throws LogicalTypeInconsistencyException {
        TraitFactory builder = TraitFactory.getTraitBuilderForKnowledgeBase( this.getKnowledgeRuntime().getKnowledgeBase() );


        TraitableBean inner = makeTraitable( core, builder, logical );


        boolean needsProxy = trait.isAssignableFrom( inner.getClass() );
        boolean hasTrait = inner.hasTrait( trait.getName() );
        boolean needsUpdate = needsProxy || core != inner;


        BitSet boundary = inner.getCurrentTypeCode() != null ? (BitSet) inner.getCurrentTypeCode().clone() : null;


        Collection<Thing> mostSpecificTraits = getTraitBoundary( inner, needsProxy, hasTrait, trait );


        T thing = asTrait( core, inner, trait, needsProxy, hasTrait, needsUpdate, builder, logical );

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                        // property reactivity may block trait proxies which have been asserted and then immediately updated because of another "don"
                        // however, PR must be disabled only once for each OTN: that is, a proxy will not pass an OTN if one of its ancestors can also pass it


                        // Example: given classes A <- B <-C, at OTN A, a proxy c can only pass if no proxy b exists


                        TraitableBean txBean = (TraitableBean) proxy.getObject();
                        TraitTypeMap tMap = (TraitTypeMap) txBean._getTraitMap();
                        Collection<Thing> x = tMap.immediateParents( this.typeMask );
                        Thing k = x.iterator().next();


                        long originalMask = context.getModificationMask();
                        if ( ! k.isTop() ) {

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        AbstractRuleBase arb = (AbstractRuleBase) ((KnowledgeBaseImpl) this.getKnowledgeRuntime().getKieBase() ).getRuleBase();
        TraitFactory builder = arb.getConfiguration().getComponentFactory().getTraitFactory();


        boolean needsWrapping = ! ( core instanceof TraitableBean );


        TraitableBean inner = needsWrapping ? asTraitable( core, builder ) : (TraitableBean) core;
        if ( needsWrapping ) {
            InternalFactHandle h = (InternalFactHandle) getFactHandle( core );
            InternalWorkingMemoryEntryPoint ep = (InternalWorkingMemoryEntryPoint) h.getEntryPoint();
            ObjectTypeConfigurationRegistry reg = ep.getObjectTypeConfigurationRegistry();

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                        // property reactivity may block trait proxies which have been asserted and then immediately updated because of another "don"
                        // however, PR must be disabled only once for each OTN: that is, a proxy will not pass an OTN if one of its ancestors can also pass it


                        // Example: given classes A <- B <-C, at OTN A, a proxy c can only pass if no proxy b exists


                        TraitableBean txBean = (TraitableBean) proxy.getObject();
                        TraitTypeMap tMap = (TraitTypeMap) txBean._getTraitMap();
                        Collection<Key<Thing>> x = tMap.immediateParents( this.typeMask );
                        Key<Thing> k = x.iterator().next();


                        long originalMask = context.getModificationMask();
                        if ( ! k.getValue().isTop() ) {

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            if ( handle.isDisconnected() ) {
                handle = this.objectStore.reconnect( handle );
            }


            if ( handle.isTraitable() ) {
                TraitableBean traitableBean = (TraitableBean) handle.getObject();
                if( traitableBean.hasTraits() ){
                    PriorityQueue<TraitProxy> removedTypes =
                            new PriorityQueue<TraitProxy>( traitableBean._getTraitMap().values().size() );
                    removedTypes.addAll( traitableBean._getTraitMap().values() );


                    while ( ! removedTypes.isEmpty() ) {
                        retract( getFactHandle( removedTypes.poll() ),
                                removeLogical,
                                updateEqualsMap,

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    protected <T, K> T applyManyTraits( K core, Collection<Class<? extends Thing>> traits, Object value, boolean logical) throws LogicalTypeInconsistencyException {
        // Precondition : traits is not empty, checked by don


        TraitFactory builder = TraitFactory.getTraitBuilderForKnowledgeBase( this.getKnowledgeRuntime().getKnowledgeBase() );


        TraitableBean inner = makeTraitable( core, builder, logical );


        Collection<Key<Thing>> mostSpecificTraits = inner.getMostSpecificTraits();
        boolean newTraitsAdded = false;
        T firstThing = null;
        Map<Thing, BitSet> things = new HashMap<Thing, BitSet>( traits.size() );


        for ( Class<?> trait : traits ) {
            boolean needsProxy = trait.isAssignableFrom( inner.getClass() );
            boolean hasTrait = inner.hasTrait( trait.getName() );
            boolean needsUpdate = needsProxy || core != inner;


            if ( ! hasTrait ) {
                BitSet boundary = inner.getCurrentTypeCode() != null ? (BitSet) inner.getCurrentTypeCode().clone() : null;


                T thing = (T) asTrait( core, inner, trait, needsProxy, hasTrait, needsUpdate, builder, logical );


                configureTrait( thing, value );

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    protected <T, K> T applyTrait( K core, Class<T> trait, Object value, boolean logical ) throws LogicalTypeInconsistencyException {
        TraitFactory builder = TraitFactory.getTraitBuilderForKnowledgeBase( this.getKnowledgeRuntime().getKnowledgeBase() );


        TraitableBean inner = makeTraitable( core, builder, logical );


        boolean needsProxy = trait.isAssignableFrom( inner.getClass() );
        boolean hasTrait = inner.hasTrait( trait.getName() );
        boolean needsUpdate = needsProxy || core != inner;


        BitSet boundary = inner.getCurrentTypeCode() != null ? (BitSet) inner.getCurrentTypeCode().clone() : null;


        Collection<Key<Thing>> mostSpecificTraits = getTraitBoundary( inner, needsProxy, hasTrait, trait );


        T thing = asTrait( core, inner, trait, needsProxy, hasTrait, needsUpdate, builder, logical );

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Related Classes of org.drools.factmodel.traits.TraitableBean

org.drools.base.DefaultKnowledgeHelper

org.drools.common.NamedEntryPoint

org.drools.persistence.session.JpaPersistenceTraitTest

org.drools.reteoo.TraitObjectTypeNode

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