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| // object type function prototype | |
| var HelloWorld = function () { | |
| // private function | |
| function sayHelloWorld(workParam) { | |
| return "Hello World " + workParam.userName; | |
| }; | |
| // function that matches the unit of work defined work function | |
| this.getHelloWorld = function (workParam) { | |
| return { | |
| helloWorld: sayHelloWorld(workParam) | |
| }; | |
| }; | |
| }; | |
| // replicate node.js module loading system | |
| module.exports = HelloWorld; |
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| // load nPool module | |
| var nPool = require('npool'); | |
| // load files defining object types | |
| nPool.loadFile(1, __dirname + '/helloWorld.js'); | |
| // create thread pool with two threads | |
| nPool.createThreadPool(2); | |
| // work complete callback from thread pool | |
| var helloWorldCallbackFunction = function (callbackObject, workId, exceptionObject) { | |
| console.log("----------------------------------------"); | |
| console.log("Callback Function: Hello World\n"); | |
| console.log("Callback Context:"); | |
| console.log(this); | |
| console.log(""); | |
| console.log("WorkId: " + workId + "\n"); | |
| if(exceptionObject == null) { | |
| console.log("Callback Object:"); | |
| console.log(callbackObject); | |
| console.log(""); | |
| } | |
| else { | |
| console.log(exceptionObject); | |
| } | |
| }; | |
| // object type to be used to demonstrate context param within unit of work | |
| function ContextA() { | |
| this.contextAProperty = "[Context A] Property"; | |
| this.contextAFunction = function() { console.log("[Context A] Function"); } | |
| } | |
| var ContextAObject = new ContextA(); | |
| // queue some other work on a special condition | |
| var unitOfWork = {}; | |
| unitOfWork.workId = 99; | |
| unitOfWork.fileKey = 1; | |
| unitOfWork.workFunction = "getHelloWorld"; | |
| unitOfWork.workParam = { | |
| userName: "nPool" | |
| }; | |
| unitOfWork.callbackFunction = helloWorldCallbackFunction; | |
| unitOfWork.callbackContext = ContextAObject; | |
| // queue the unit of work | |
| nPool.queueWork(unitOfWork); |
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