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JavaScript Execution Context
Today I am going to write about the most difficult part of JavaScript when I was trying to learn JavaScript. It may not be difficult for Others. So I am going to tell what I learn and what difficulties I have to face.What is really execution context?The answer is maybe you like it or not. But it is simple, that is when we create a JavaScript code to run in an environment and that environment is…
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ExecutionContext for Long Running Tasks
Rule #1 of Akka: don't block inside actors. If you do have blocking / high latency calls, wrap them in a future and toss them into a different execution context specifically meant for high latency tasks.
import java.util.concurrent.Executors class ClassyActor extends Actor { val numThreads = 10 val pool = Executors.newFixedThreadPool(numThreads) val ctx = ExecutionContext.fromExecutorService(pool) def receive: Actor.Receive = { // An message that needs some high latency work done case m: Message => val future = Future { // do something with m: Message } (ctx) future.onComplete({ case Success(s) => // do something when the task successfully completed case Failure(f) => // do something when the task failed }) (ctx) } }
