@Override
public ValueSetExpansionOutcome expandVS(ValueSet vs, boolean cacheOk, boolean heirarchical) {
try {
if (vs.hasExpansion()) {
return new ValueSetExpansionOutcome(vs.copy());
}
String cacheFn = null;
if (cache != null) {
cacheFn = Utilities.path(cache, determineCacheId(vs, heirarchical) + ".json");
if (new File(cacheFn).exists()) return loadFromCache(vs.copy(), cacheFn);
}
if (cacheOk && vs.hasUrl()) {
if (expProfile == null) throw new Exception("No ExpansionProfile provided");
ValueSetExpansionOutcome vse =
expansionCache.getExpander().expand(vs, expProfile.setExcludeNested(!heirarchical));
if (vse.getValueset() != null) {
if (cache != null) {
FileOutputStream s = new FileOutputStream(cacheFn);
newJsonParser().compose(new FileOutputStream(cacheFn), vse.getValueset());
s.close();
}
}
return vse;
} else {
ValueSetExpansionOutcome res = expandOnServer(vs, cacheFn);
if (cacheFn != null) {
if (res.getValueset() != null) {
saveToCache(res.getValueset(), cacheFn);
} else {
OperationOutcome oo = new OperationOutcome();
oo.addIssue().getDetails().setText(res.getError());
saveToCache(oo, cacheFn);
}
}
return res;
}
} catch (NoTerminologyServiceException e) {
return new ValueSetExpansionOutcome(
e.getMessage() == null ? e.getClass().getName() : e.getMessage(),
TerminologyServiceErrorClass.NOSERVICE);
} catch (Exception e) {
return new ValueSetExpansionOutcome(
e.getMessage() == null ? e.getClass().getName() : e.getMessage(),
TerminologyServiceErrorClass.UNKNOWN);
}
}
private Bundle batch(final RequestDetails theRequestDetails, Bundle theRequest) {
ourLog.info("Beginning batch with {} resources", theRequest.getEntry().size());
long start = System.currentTimeMillis();
TransactionTemplate txTemplate = new TransactionTemplate(myTxManager);
txTemplate.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRES_NEW);
Bundle resp = new Bundle();
resp.setType(BundleType.BATCHRESPONSE);
OperationOutcome ooResp = new OperationOutcome();
resp.addEntry().setResource(ooResp);
/*
* For batch, we handle each entry as a mini-transaction in its own database transaction so that if one fails, it doesn't prevent others
*/
for (final BundleEntryComponent nextRequestEntry : theRequest.getEntry()) {
TransactionCallback<Bundle> callback =
new TransactionCallback<Bundle>() {
@Override
public Bundle doInTransaction(TransactionStatus theStatus) {
Bundle subRequestBundle = new Bundle();
subRequestBundle.setType(BundleType.TRANSACTION);
subRequestBundle.addEntry(nextRequestEntry);
Bundle subResponseBundle =
transaction(
(ServletRequestDetails) theRequestDetails,
subRequestBundle,
"Batch sub-request");
return subResponseBundle;
}
};
BaseServerResponseException caughtEx;
try {
Bundle nextResponseBundle = txTemplate.execute(callback);
caughtEx = null;
BundleEntryComponent subResponseEntry = nextResponseBundle.getEntry().get(0);
resp.addEntry(subResponseEntry);
/*
* If the individual entry didn't have a resource in its response, bring the sub-transaction's OperationOutcome across so the client can see it
*/
if (subResponseEntry.getResource() == null) {
subResponseEntry.setResource(nextResponseBundle.getEntry().get(0).getResource());
}
} catch (BaseServerResponseException e) {
caughtEx = e;
} catch (Throwable t) {
ourLog.error("Failure during BATCH sub transaction processing", t);
caughtEx = new InternalErrorException(t);
}
if (caughtEx != null) {
BundleEntryComponent nextEntry = resp.addEntry();
OperationOutcome oo = new OperationOutcome();
oo.addIssue().setSeverity(IssueSeverity.ERROR).setDiagnostics(caughtEx.getMessage());
nextEntry.setResource(oo);
BundleEntryResponseComponent nextEntryResp = nextEntry.getResponse();
nextEntryResp.setStatus(toStatusString(caughtEx.getStatusCode()));
}
}
long delay = System.currentTimeMillis() - start;
ourLog.info("Batch completed in {}ms", new Object[] {delay});
ooResp
.addIssue()
.setSeverity(IssueSeverity.INFORMATION)
.setDiagnostics("Batch completed in " + delay + "ms");
return resp;
}