class LinkkiInMemoryContainer extends com.vaadin.v7.data.util.AbstractInMemoryContainer<T, Object, com.vaadin.v7.data.Item> implements com.vaadin.v7.data.Container.Hierarchical {

    @Override
    public boolean setParent(Object itemId, Object newParentId)
            throws UnsupportedOperationException {
        return false;
    }

}