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author | Elliot Kroo <kroo@appjet.com> | 2010-03-11 15:21:30 -0800 |
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committer | Elliot Kroo <kroo@appjet.com> | 2010-03-11 15:21:30 -0800 |
commit | 98e2821b38a775737e42a2479a6bc65107210859 (patch) | |
tree | 55939a8ba1dce4f4e48ebb13b658061d62bf1b9a /infrastructure/framework-src/modules/cache_utils.js | |
parent | c1894c8e0a52f4e3d2f89fa92f0066bbf0fcf1b1 (diff) | |
download | etherpad-98e2821b38a775737e42a2479a6bc65107210859.tar.gz etherpad-98e2821b38a775737e42a2479a6bc65107210859.tar.xz etherpad-98e2821b38a775737e42a2479a6bc65107210859.zip |
reorganizing the first level of folders (trunk/branch folders are not the git way :)
Diffstat (limited to 'infrastructure/framework-src/modules/cache_utils.js')
-rw-r--r-- | infrastructure/framework-src/modules/cache_utils.js | 36 |
1 files changed, 36 insertions, 0 deletions
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); + }); +} + + + |