Examples of ptolemy.kernel.Relation.attributeList()

            // Collect constraints from all transitions.
            Iterator transitionRelations = relationList().iterator();


            while (transitionRelations.hasNext()) {
                Relation tr = (Relation) transitionRelations.next();
                attributes = tr.attributeList(HasTypeConstraints.class)
                        .iterator();


                while (attributes.hasNext()) {
                    HasTypeConstraints typeableAttribute = (HasTypeConstraints) attributes
                            .next();


            // Combine relations if possible.
            relations = GTTools.getChildren(host, false, false, false, true);
            for (Object relationObject : relations) {
                Relation relation = (Relation) relationObject;
                List<?> vertices = relation.attributeList(Vertex.class);
                if (vertices.isEmpty()) {
                    List<?> linkedObjects = relation.linkedObjectsList();
                    if (linkedObjects.size() == 2) {
                        NamedObj head = (NamedObj) linkedObjects.get(0);
                        NamedObj tail = (NamedObj) linkedObjects.get(1);

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