| # Copyright 2014 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| from object_store_creator import ObjectStoreCreator |
| from future import Future |
| |
| |
| class CommitTracker(object): |
| '''Utility class for managing and querying the storage of various named commit |
| IDs.''' |
| def __init__(self, object_store_creator): |
| # The object store should never be created empty since the sole purpose of |
| # this tracker is to persist named commit data across requests. |
| self._store = object_store_creator.Create(CommitTracker, start_empty=False) |
| |
| def Get(self, key): |
| return self._store.Get(key) |
| |
| def Set(self, key, commit): |
| return self._store.Set(key, commit) |
