numberLocked = ((FeatureLocking) source).lockFeatures(query);
if (numberLocked == 1) {
LOGGER.fine("Lock " + fid + " (authID:" + fLock.getAuthorization()
+ ")");
response.addLockedFeature( fid);
// lockedFids.add(fid);
} else if (numberLocked == 0) {
LOGGER.fine("Lock " + fid + " conflict (authID:"
+ fLock.getAuthorization() + ")");