public void addSitelet(String containerName, String entityName, Long savedId, boolean addOnTop) { // Get the next order int: Integer order = 0; List<SiteletProperties> items = SiteletProperties.getByContainerId(containerName); if (items != null && !items.isEmpty()) { if (addOnTop) { SiteletProperties first = items.get(0); order = first.order - 1; } else { SiteletProperties last = items.get(items.size() - 1); order = last.order + 1; } } // insert the sitelet SiteletProperties item = new SiteletProperties(); item.entityId = savedId; item.entityTypeClassName = entityName; item.order = order; item.containerId = containerName; item.insert(); item.triggerRefreshAsync(); clearContainerCache(containerName); }