/** Deletes the old feed items for which extension settings have been created. */
private static void deleteOldFeedItems(
AdWordsServices adWordsServices, AdWordsSession session, Set<Long> feedItemIds, Feed feed)
throws Exception {
// Get the FeedItemService.
FeedItemServiceInterface feedItemService =
adWordsServices.get(session, FeedItemServiceInterface.class);
if (feedItemIds.isEmpty()) {
return;
}
List<FeedItemOperation> operations = Lists.newArrayList();
for (Long feedItemId : feedItemIds) {
FeedItemOperation operation = new FeedItemOperation();
FeedItem feedItem = new FeedItem();
feedItem.setFeedId(feed.getId());
feedItem.setFeedItemId(feedItemId);
operation.setOperand(feedItem);
operation.setOperator(Operator.REMOVE);
operations.add(operation);
}
feedItemService.mutate(operations.toArray(new FeedItemOperation[operations.size()]));
}