final HistoricalTimeSeriesInfoSearchRequest searchRequest = new HistoricalTimeSeriesInfoSearchRequest();
searchRequest.addExternalId(centreValue.getKey().getFirst());
searchRequest.setDataField(centreValue.getKey().getSecond());
searchRequest.setDataProvider(SimulatedHistoricalData.OG_DATA_PROVIDER);
searchRequest.setDataSource(SimulatedHistoricalData.OG_DATA_SOURCE);
final HistoricalTimeSeriesInfoSearchResult searchResult = htsMaster.search(searchRequest);
if (searchResult.getDocuments().isEmpty()) {
s_logger.warn("No time series for {}/{}", centreValue.getKey().getFirst(), centreValue.getKey().getSecond());
} else {
for (HistoricalTimeSeriesInfoDocument infoDoc : searchResult.getDocuments()) {
s_logger.debug("Updating {}", infoDoc.getUniqueId());