From 98e2821b38a775737e42a2479a6bc65107210859 Mon Sep 17 00:00:00 2001 From: Elliot Kroo Date: Thu, 11 Mar 2010 15:21:30 -0800 Subject: reorganizing the first level of folders (trunk/branch folders are not the git way :) --- .../framework-src/modules/cache_utils.js | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 infrastructure/framework-src/modules/cache_utils.js (limited to 'infrastructure/framework-src/modules/cache_utils.js') diff --git a/infrastructure/framework-src/modules/cache_utils.js b/infrastructure/framework-src/modules/cache_utils.js new file mode 100644 index 0000000..f2a360c --- /dev/null +++ b/infrastructure/framework-src/modules/cache_utils.js @@ -0,0 +1,36 @@ +/** + * Copyright 2009 Google Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS-IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +import("sync"); + +/* performs function on an object from the cache, all within a lock */ +function syncedWithCache(name, fn) { + return sync.doWithStringLock("cache/"+name, function() { + var parts = name.split("."); + var obj = appjet.cache; + for (var i = 0; i < parts.length; i++) { + var p = parts[i]; + if (!obj[p]) { + obj[p] = {}; + } + obj = obj[p]; + } + return fn(obj); + }); +} + + + -- cgit v1.2.3-1-g7c22