@SuppressWarnings("unchecked")
public <RESP extends ServiceResponse> RESP getStatus(ServiceRequest request, RESP response)
{
// use streaming impl just so we'll use specific ObjectWriter
return (RESP) response.ok(new StreamingEntityImpl(_writer,
new ClusterStatusResponse(_cluster.getLastUpdated(),
_cluster.getLocalState(),
_cluster.getRemoteStates())))
.setContentTypeJson();
}