@SuppressWarnings("unchecked")
@Override
public Object invokeServer(
IRestfulServer theServer, RequestDetails theRequest, Object[] theMethodParams)
throws InvalidRequestException, InternalErrorException {
/*
* The design of HAPI's transaction method for DSTU1 support assumed that a transaction was just an update on a
* bunch of resources (because that's what it was), but in DSTU2 transaction has become much more broad, so we
* no longer hold the user's hand much here.
*/
if (myTransactionParamStyle == ParamStyle.RESOURCE_BUNDLE) {
// This is the DSTU2 style
Object response = invokeServerMethod(theServer, theRequest, theMethodParams);
return response;
}
// Grab the IDs of all of the resources in the transaction
List<IResource> resources;
if (theMethodParams[myTransactionParamIndex] instanceof Bundle) {
resources = ((Bundle) theMethodParams[myTransactionParamIndex]).toListOfResources();
} else {
resources = (List<IResource>) theMethodParams[myTransactionParamIndex];
}
IdentityHashMap<IResource, IdDt> oldIds = new IdentityHashMap<IResource, IdDt>();
for (IResource next : resources) {
oldIds.put(next, next.getId());
}
// Call the server implementation method
Object response = invokeServerMethod(theServer, theRequest, theMethodParams);
IBundleProvider retVal = toResourceList(response);
/*
* int offset = 0; if (retVal.size() != resources.size()) { if (retVal.size() > 0 && retVal.getResources(0,
* 1).get(0) instanceof OperationOutcome) { offset = 1; } else { throw new
* InternalErrorException("Transaction bundle contained " + resources.size() +
* " entries, but server method response contained " + retVal.size() + " entries (must be the same)"); } }
*/
List<IBaseResource> retResources = retVal.getResources(0, retVal.size());
for (int i = 0; i < retResources.size(); i++) {
IdDt oldId = oldIds.get(retResources.get(i));
IBaseResource newRes = retResources.get(i);
if (newRes.getIdElement() == null || newRes.getIdElement().isEmpty()) {
if (!(newRes instanceof BaseOperationOutcome)) {
throw new InternalErrorException(
"Transaction method returned resource at index "
+ i
+ " with no id specified - IResource#setId(IdDt)");
}
}
if (oldId != null && !oldId.isEmpty()) {
if (!oldId.equals(newRes.getIdElement()) && newRes instanceof IResource) {
((IResource) newRes)
.getResourceMetadata()
.put(ResourceMetadataKeyEnum.PREVIOUS_ID, oldId);
}
}
}
return retVal;
}
