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Diffstat (limited to 'infrastructure/framework-src/modules/global/appjet.js')
-rw-r--r-- | infrastructure/framework-src/modules/global/appjet.js | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/infrastructure/framework-src/modules/global/appjet.js b/infrastructure/framework-src/modules/global/appjet.js new file mode 100644 index 0000000..135ac44 --- /dev/null +++ b/infrastructure/framework-src/modules/global/appjet.js @@ -0,0 +1,107 @@ +/** + * 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("jsutils.scalaF0"); + +//---------------------------------------------------------------- +// global static "appjet" object +//---------------------------------------------------------------- + +/** + * @fileOverview The global appjet object contains access to the AppJet runtime, + * app meta-data, and other information. + */ +var appjet = { + +/** + * This is the interface to the execution context. You probably won't need + * to use this, but if you do, be careful! + * @type object + */ +get context() { + return net.appjet.oui.ExecutionContextUtils.currentContext(); +}, + +get executionId() { + return this.context.executionId(); +}, + +// /** +// * Holds the current request's requestId. (These IDs may be reused!) +// * @type String +// */ +// get requestId() { +// return this.context.requestId(); +// }, + +/** + * Volatile cache that persists between requests. (JavaScript object). + */ +get cache() { + return Packages.net.appjet.ajstdlib.ajstdlib.attributes() + .getOrElseUpdate("cache", scalaF0({})); +}, + +get cacheRoot() { + return function(name) { + return Packages.net.appjet.ajstdlib.ajstdlib.attributes() + .getOrElseUpdate("cache-"+(name?name:""), scalaF0({})); + }; +}, + +/** + * A global lock for this app (ReentrantLock object). + */ +get globalLock() { + return net.appjet.ajstdlib.ajstdlib.globalLock(); +}, + +/** + * Per-request cache, cleared between requests. + */ +get requestCache() { + return this.context.attributes().getOrElseUpdate("requestCache", scalaF0({})) +}, + +/** + * Per-scope cache, persisted in this "server" instance. + */ +get scopeCache() { + return this.context.runner().attributes().getOrElseUpdate("scopeCache", scalaF0({})); +}, + +/** + * config params for app. + */ +get config() { + return Packages.net.appjet.oui.config.configObject(this.context.runner().globalScope()); +}, + +/** + * tells appjet not to re-use this "scope"/"server" + */ +get retireScope() { + return function() { this.context.runner().reuseOk_$eq(false); } +}, + +/** + * How many milliseconds the server has been running for. + */ +get uptime() { + return Date.now() - Packages.net.appjet.oui.main.startTime().getTime(); +} + +}; // end: var appjet = {...
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