DirectoryWithSnapshotFeature sf = getDirectoryWithSnapshotFeature(); assert sf != null : "Directory does not have snapshot feature"; sf.getDiffs().removeDeletedChild(oldChild); sf.getDiffs().replaceCreatedChild(oldChild, newChild); addChild(newChild, true, Snapshot.CURRENT_STATE_ID);
/** * Undo the rename operation for the dst tree, i.e., if the rename operation * (with OVERWRITE option) removes a file/dir from the dst tree, add it back * and delete possible record in the deleted list. */ public void undoRename4DstParent(final BlockStoragePolicySuite bsps, final INode deletedChild, int latestSnapshotId) { DirectoryWithSnapshotFeature sf = getDirectoryWithSnapshotFeature(); assert sf != null : "Directory does not have snapshot feature"; boolean removeDeletedChild = sf.getDiffs().removeDeletedChild(deletedChild); int sid = removeDeletedChild ? Snapshot.CURRENT_STATE_ID : latestSnapshotId; final boolean added = addChild(deletedChild, true, sid); // update quota usage if adding is successfully and the old child has not // been stored in deleted list before if (added && !removeDeletedChild) { final QuotaCounts counts = deletedChild.computeQuotaUsage(bsps); addSpaceConsumed(counts); } }