@Override
    public Result search(Query query, Execution execution) {
        Execution next = createForward(execution);

        if (next == null)
            return badResult(query);
        else
            return next.search(query);
    }
A lightweight searcher to forward all incoming requests to a single search
chain defined in config. An alternative to federation searcher when standard
semantics are not necessary for the application.

@see FederationSearcher
@author Steinar Knutsen
container-search/src/main/java/com/yahoo/search/federation/ForwardingSearcher.java