@Override
        public Response process(Request request, Execution execution) {
            ArrayDataList dataList;
            if (! ordered)
                dataList = ArrayDataList.createAsyncUnordered(request);
            else if (! streamed)
                dataList = ArrayDataList.createAsyncNonstreamed(request);
            else
                dataList = ArrayDataList.createAsync(request);
            incomingData.complete(dataList.incoming());
            return new Response(dataList);
        }
Create an instance which returns ordered, streamable data
container-core/src/test/java/com/yahoo/processing/test/ProcessorLibrary.java