Merge branch 'master' into fix-template

[e-mobility-charging-stations-simulator.git] / src / worker / WorkerFactory.ts

diff --git a/src/worker/WorkerFactory.ts b/src/worker/WorkerFactory.ts
index 13880b2f81dd8f16c99a97f26949bc44c51f8be6..8b979d06ca2d76f8e4d0220132b03dafd8a6bf84 100644 (file)
--- a/src/worker/WorkerFactory.ts
+++ b/src/worker/WorkerFactory.ts
@@ -1,13 +1,44 @@
-import Configuration from '../utils/Configuration';
-import WorkerPool from './WorkerPool';
+import { Worker, isMainThread } from 'worker_threads';
+import { WorkerOptions, WorkerProcessType } from '../types/Worker';
+
+import Constants from '../utils/Constants';
+import { PoolOptions } from 'poolifier';
+import WorkerAbstract from './WorkerAbstract';
+import WorkerDynamicPool from './WorkerDynamicPool';
 import WorkerSet from './WorkerSet';
-import Wrk from './Worker';
+import WorkerStaticPool from './WorkerStaticPool';
 
 export default class WorkerFactory {
-  public static getWorkerImpl(workerScript: string): Wrk {
-    if (Configuration.useWorkerPool()) {
-      return new WorkerPool(workerScript);
+  private constructor() {
+    // This is intentional
+  }
+
+  public static getWorkerImplementation<T>(workerScript: string, workerProcessType: WorkerProcessType, options?: WorkerOptions): WorkerAbstract | null {
+    if (!isMainThread) {
+      throw new Error('Trying to get a worker implementation outside the main thread');
+    }
+    options = options ?? {} as WorkerOptions;
+    options.startDelay = options?.startDelay ?? Constants.WORKER_START_DELAY;
+    options.poolOptions = options?.poolOptions ?? {} as PoolOptions<Worker>;
+    options?.messageHandler && (options.poolOptions.messageHandler = options.messageHandler);
+    let workerImplementation: WorkerAbstract = null;
+    switch (workerProcessType) {
+      case WorkerProcessType.WORKER_SET:
+        options.elementsPerWorker = options.elementsPerWorker ?? Constants.DEFAULT_CHARGING_STATIONS_PER_WORKER;
+        workerImplementation = new WorkerSet<T>(workerScript, options.elementsPerWorker, options.startDelay, options);
+        break;
+      case WorkerProcessType.STATIC_POOL:
+        options.poolMaxSize = options.poolMaxSize ?? Constants.DEFAULT_WORKER_POOL_MAX_SIZE;
+        workerImplementation = new WorkerStaticPool<T>(workerScript, options.poolMaxSize, options.startDelay, options.poolOptions);
+        break;
+      case WorkerProcessType.DYNAMIC_POOL:
+        options.poolMinSize = options.poolMinSize ?? Constants.DEFAULT_WORKER_POOL_MIN_SIZE;
+        options.poolMaxSize = options.poolMaxSize ?? Constants.DEFAULT_WORKER_POOL_MAX_SIZE;
+        workerImplementation = new WorkerDynamicPool<T>(workerScript, options.poolMinSize, options.poolMaxSize, options.startDelay, options.poolOptions);
+        break;
+      default:
+        throw new Error(`Worker implementation type '${workerProcessType}' not found`);
     }
-    return new WorkerSet(workerScript, Configuration.getChargingStationsPerWorker());
+    return workerImplementation;
   }
 }