public static HistorySamplerItem createHistorySamplerItem(ReadGraph graph, Resource subscriptionItem, ChartData data) throws DatabaseException {
try {
- Resource model = graph.syncRequest(new PossibleIndexRoot(subscriptionItem));
- if (model == null) {
- throw new DatabaseException("There is no model for " + subscriptionItem);
+ Resource indexRoot = graph.syncRequest(new PossibleIndexRoot(subscriptionItem));
+ if (indexRoot == null) {
+ throw new DatabaseException("There is no index root for " + subscriptionItem);
}
ItemManager im = new ItemManager(data.history.getItems());