final Map<Change.Id, ApprovalSummary> approvals =
new HashMap<Change.Id, ApprovalSummary>();
final AccountInfoCacheFactory aicFactory =
accountInfoCacheFactory.create();
aicFactory.want(aid);
for (final Change.Id id : cids) {
try {
final ChangeControl cc = changeControlFactory.validateFor(id);
final Change change = cc.getChange();
final PatchSet.Id ps_id = change.currentPatchSetId();