Add tunable for charging station start delay for linear ramp up

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

diff --git a/src/worker/WorkerFactory.ts b/src/worker/WorkerFactory.ts
index 41fa1d89715444ca5cd69b07f6684789f63b2ecc..ccea2a38f918c99881d90af39812ac4484db2ed3 100644 (file)
--- a/src/worker/WorkerFactory.ts
+++ b/src/worker/WorkerFactory.ts
@@ -1,41 +1,45 @@
-import { WorkerOptions, WorkerProcessType } from '../types/Worker';
+import { Worker, isMainThread } from 'worker_threads';
+import { WorkerData, WorkerOptions, WorkerProcessType } from '../types/Worker';
 
-import Utils from '../utils/Utils';
-import WorkerAbstract from './WorkerAbstract';
+import Constants from '../utils/Constants';
+import { PoolOptions } from 'poolifier';
+import type WorkerAbstract from './WorkerAbstract';
 import WorkerDynamicPool from './WorkerDynamicPool';
 import WorkerSet from './WorkerSet';
 import WorkerStaticPool from './WorkerStaticPool';
-import { isMainThread } from 'worker_threads';
 
 export default class WorkerFactory {
-  public static getWorkerImplementation<T>(workerScript: string, workerProcessType: WorkerProcessType, options?: WorkerOptions): WorkerAbstract {
+  private constructor() {
+    // This is intentional
+  }
+
+  public static getWorkerImplementation<T extends WorkerData>(workerScript: string, workerProcessType: WorkerProcessType, options?: WorkerOptions): WorkerAbstract<T> | null {
     if (!isMainThread) {
       throw new Error('Trying to get a worker implementation outside the main thread');
     }
-    if (Utils.isUndefined(options)) {
-      options = {} as WorkerOptions;
-    }
+    options = options ?? {} as WorkerOptions;
+    options.workerStartDelay = options?.workerStartDelay ?? Constants.WORKER_START_DELAY;
+    options.elementStartDelay = options?.elementStartDelay ?? Constants.ELEMENT_START_DELAY;
+    options.poolOptions = options?.poolOptions ?? {} as PoolOptions<Worker>;
+    options?.messageHandler && (options.poolOptions.messageHandler = options.messageHandler);
+    let workerImplementation: WorkerAbstract<T> = null;
     switch (workerProcessType) {
       case WorkerProcessType.WORKER_SET:
-        if (Utils.isUndefined(options.elementsPerWorker)) {
-          options.elementsPerWorker = 1;
-        }
-        return new WorkerSet<T>(workerScript, options.elementsPerWorker);
+        options.elementsPerWorker = options.elementsPerWorker ?? Constants.DEFAULT_CHARGING_STATIONS_PER_WORKER;
+        workerImplementation = new WorkerSet(workerScript, options.elementsPerWorker, { workerStartDelay: options.workerStartDelay, elementStartDelay: options.elementStartDelay }, options);
+        break;
       case WorkerProcessType.STATIC_POOL:
-        if (Utils.isUndefined(options.poolMaxSize)) {
-          options.poolMaxSize = 16;
-        }
-        return new WorkerStaticPool<T>(workerScript, options.poolMaxSize);
+        options.poolMaxSize = options.poolMaxSize ?? Constants.DEFAULT_WORKER_POOL_MAX_SIZE;
+        workerImplementation = new WorkerStaticPool(workerScript, options.poolMaxSize, { workerStartDelay: options.workerStartDelay, elementStartDelay: options.elementStartDelay }, options.poolOptions);
+        break;
       case WorkerProcessType.DYNAMIC_POOL:
-        if (Utils.isUndefined(options.poolMinSize)) {
-          options.poolMinSize = 4;
-        }
-        if (Utils.isUndefined(options.poolMaxSize)) {
-          options.poolMaxSize = 16;
-        }
-        return new WorkerDynamicPool<T>(workerScript, options.poolMinSize, options.poolMaxSize);
+        options.poolMinSize = options.poolMinSize ?? Constants.DEFAULT_WORKER_POOL_MIN_SIZE;
+        options.poolMaxSize = options.poolMaxSize ?? Constants.DEFAULT_WORKER_POOL_MAX_SIZE;
+        workerImplementation = new WorkerDynamicPool(workerScript, options.poolMinSize, options.poolMaxSize, { workerStartDelay: options.workerStartDelay, elementStartDelay: options.elementStartDelay }, options.poolOptions);
+        break;
       default:
-        return null;
+        throw new Error(`Worker implementation type '${workerProcessType}' not found`);
     }
+    return workerImplementation;
   }
 }