code: @Indexable(type = IndexableType.REINDEX)
  	@Override
  	public CommerceCurrency updateCommerceCurrency(
  		CommerceCurrency commerceCurrency) {
  		return commerceCurrencyPersistence.update(commerceCurrency);
  	}
docs: Updates the commerce currency in the database or adds it if it does not yet exist. Also notifies the appropriate model listeners.
  
  @param commerceCurrency the commerce currency
  @return the commerce currency that was updated