if (operationThreading == BroadcastOperationThreading.NO_THREADS) {
// since we don't spawn, don't allow no_threads,
// but change it to a single thread
operationThreading = BroadcastOperationThreading.SINGLE_THREAD;
}
searchIntoRequest.operationThreading(operationThreading);
if (request.hasContent()) {
searchIntoRequest.source(request.content(),
request.contentUnsafe());
} else {
String source = request.param("source");