Examples of org.apache.cayenne.property.ArcProperty

org.apache.cayenne.property.ArcProperty
A Property that represents an "arc" connecting source node to the target node in the graph. @since 1.2 @author Andrus Adamchik

        }


        // TODO (Andrus, 10/17/2005) - check for local modifications to avoid
        // overwriting...


        ArcProperty p = (ArcProperty) propertyForId(nodeId, arcId.toString());
       
        try {
            context.internalGraphAction().handleArcPropertyChange(
                    (Persistent) source,
                    p,

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        if (target == null) {
            target = context.createFault((ObjectId) targetNodeId);
        }


        // (see "TODO" in 'arcCreated')
        ArcProperty p = (ArcProperty) propertyForId(nodeId, arcId.toString());
        p.writePropertyDirectly(source, target, null);


        try {
            context.internalGraphAction().handleArcPropertyChange(
                    (Persistent) source,
                    p,

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                        ? "1 related object"
                        : relatedObjects.size() + " related objects";
                throw new DeleteDenyException(object, property.getName(), message);


            case DeleteRule.NULLIFY:
                ArcProperty reverseArc = property.getComplimentaryReverseArc();


                if (reverseArc != null) {


                    if (reverseArc instanceof CollectionProperty) {
                        Iterator iterator = relatedObjects.iterator();

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    private void setReverse(
            ArcProperty property,
            final Persistent sourceObject,
            final Persistent targetObject) {


        ArcProperty reverseArc = property.getComplimentaryReverseArc();
        if (reverseArc != null) {
            reverseArc.visit(new PropertyVisitor() {


                public boolean visitCollectionArc(CollectionProperty property) {
                    property.addTarget(targetObject, sourceObject, false);
                    return false;
                }


                public boolean visitSingleObjectArc(SingleObjectArcProperty property) {
                    property.setTarget(targetObject, sourceObject, false);
                    return false;
                }


                public boolean visitProperty(Property property) {
                    return false;
                }


            });


            context.getGraphManager().arcCreated(
                    targetObject.getObjectId(),
                    sourceObject.getObjectId(),
                    reverseArc.getName());


            markAsDirty(targetObject);
        }
    }

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    private void unsetReverse(
            ArcProperty property,
            Persistent sourceObject,
            Persistent targetObject) {


        ArcProperty reverseArc = property.getComplimentaryReverseArc();
        if (reverseArc != null) {
            reverseArc.writePropertyDirectly(targetObject, sourceObject, null);


            context.getGraphManager().arcDeleted(
                    targetObject.getObjectId(),
                    sourceObject.getObjectId(),
                    reverseArc.getName());


            markAsDirty(targetObject);
        }
    }

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                            .getEntityResolver()
                            .getClassDescriptor(id.getEntityName());


                    if (!descriptor.isFault(object)) {


                        ArcProperty property = (ArcProperty) descriptor
                                .getProperty(relationshipQuery.getRelationshipName());


                        if (!property.isFault(object)) {


                            Object related = property.readPropertyDirectly(object);


                            List result;


                            // null to-one
                            if (related == null) {

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Related Classes of org.apache.cayenne.property.ArcProperty

org.apache.cayenne.CayenneContextGraphAction

org.apache.cayenne.CayenneContextMergeHandler

org.apache.cayenne.ObjectContextDeleteAction

org.apache.cayenne.util.ObjectContextQueryAction

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