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Diffstat (limited to 'infrastructure/framework-src/modules/varz.js')
-rw-r--r-- | infrastructure/framework-src/modules/varz.js | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/infrastructure/framework-src/modules/varz.js b/infrastructure/framework-src/modules/varz.js new file mode 100644 index 0000000..0e55d20 --- /dev/null +++ b/infrastructure/framework-src/modules/varz.js @@ -0,0 +1,52 @@ +/** + * 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. + */ + +jimport("java.util.concurrent.atomic.AtomicInteger"); + +import("sync"); + +function varz() { + sync.callsyncIfTrue(appjet.cache, + function() { return ! appjet.cache.varz; }, + function() { appjet.cache.varz = {}; }); + return appjet.cache.varz; +} + +function _getInteger(name) { + sync.callsyncIfTrue(varz(), + function() { return ! varz()[name] }, + function() { varz()[name] = new AtomicInteger(0) }); + return varz()[name]; +} + +function incrementInt(name) { + _getInteger(name).getAndIncrement(); +} + +function addToInt(name, count) { + _getInteger(name).getAndAdd(count); +} + +function getSnapshot() { + var ret = {}; + for (var k in varz()) { + if (k[0] == '_') { + continue; + } + ret[k] = varz()[k].toString(); + } + return ret; +} |