public void updateProvider(Provider provider) {
Long id = provider.getId();
if (id == null) {
throw new IllegalStateException("no provider id");
}
URL oldProvider = findProviderUrl(id);
if (oldProvider == null) {
throw new IllegalStateException("Provider was changed!");
}
URL newProvider = provider.toUrl();
registryService.unregister(oldProvider);
registryService.register(newProvider);
}
public void create(Provider provider) {
URL url = provider.toUrl();
registryService.register(url);
}