@Override
public String getData(String fullUri) throws FetcherException {
List<String> fhirBundles = null;
String cacheResponse = null;
FetchRequest req = new FetchRequest(fullUri);
String fsId = req.genId();
try {
// wait for fetchStatus to unlock
// if (1 == 1)
// return fetchStatusService.getFetchStatus(fsId).toString();
while (isFetchStatusLocked(fsId)) {
try {
Thread.sleep(SLEEP_DURATION);
logger.trace("in while loop");
// return getData(fullUri);
} catch (InterruptedException e) {
throw new FetcherException(e.getMessage(), e);
}
}
fetchStatusService.setFetching(fsId);
// lock fetchStatus
// Date lastFetchDT = fetchStatusService.getLastFetchDT(fsId);
Date lastCacheUpdateDT = fetchStatusService.getLastCacheUpdateDT(fsId);
if (lastCacheUpdateDT != null) {
req.setStartDate(lastCacheUpdateDT);
logger.debug("lastCacheUPdateDT:" + lastCacheUpdateDT.toString());
} else {
logger.debug("lastCacheUPdateDT is null");
}
// if ((lastFetchDT==null)||
// lastCacheUpdateDT==null||
// ((lastCacheUpdateDT.getTime() - lastFetchDT.getTime()) >
// CACHE_DELAY)
// ) {
// retrieve delta
// Thread.sleep(15000);
try {
fhirBundles = fetchData(req);
logger.debug("fhirBundleXml:" + fhirBundles);
} catch (ConverterException e) {
logger.error(">>>" + e.getMessage(), e);
}
// }
// find last update date of cache
// update cache
// return data from cache
updateCache(fsId, fhirBundles);
cacheResponse = cache.get(req);
} catch (Exception e) {
fetchStatusService.setUnlocked(fsId);
throw new FetcherException(e.getMessage(), e);
}
fetchStatusService.setUnlocked(fsId);
return cacheResponse;
}
