feat: ensure charging station add op return its station info
[e-mobility-charging-stations-simulator.git] / src / worker / WorkerFactory.ts
index 3784e7ab0c572f36a30de55d1181309fa4e2191e..73bcd56dc62467c7bb942157d88554014b8240af 100644 (file)
@@ -1,32 +1,39 @@
-import { WorkerOptions, WorkerProcessType } from '../types/Worker';
+import { isMainThread } from 'node:worker_threads'
 
-import Constants from '../utils/Constants';
-import WorkerAbstract from './WorkerAbstract';
-import WorkerDynamicPool from './WorkerDynamicPool';
-import WorkerSet from './WorkerSet';
-import WorkerStaticPool from './WorkerStaticPool';
-import { isMainThread } from 'worker_threads';
+import { mergeDeepRight } from 'rambda'
 
-export default class WorkerFactory {
-  public static getWorkerImplementation<T>(workerScript: string, workerProcessType: WorkerProcessType, options?: WorkerOptions): WorkerAbstract | null {
+import type { WorkerAbstract } from './WorkerAbstract.js'
+import { DEFAULT_WORKER_OPTIONS } from './WorkerConstants.js'
+import { WorkerDynamicPool } from './WorkerDynamicPool.js'
+import { WorkerFixedPool } from './WorkerFixedPool.js'
+import { WorkerSet } from './WorkerSet.js'
+import { type WorkerData, type WorkerOptions, WorkerProcessType } from './WorkerTypes.js'
+
+// eslint-disable-next-line @typescript-eslint/no-extraneous-class
+export class WorkerFactory {
+  private constructor () {
+    // This is intentional
+  }
+
+  public static getWorkerImplementation<D extends WorkerData, R extends WorkerData>(
+    workerScript: string,
+    workerProcessType: WorkerProcessType,
+    workerOptions?: WorkerOptions
+  ): WorkerAbstract<D, R> {
     if (!isMainThread) {
-      throw new Error('Trying to get a worker implementation outside the main thread');
+      throw new Error('Cannot get a worker implementation outside the main thread')
     }
-    options = options ?? {} as WorkerOptions;
-    options.startDelay = options.startDelay ?? Constants.WORKER_START_DELAY;
+    workerOptions = mergeDeepRight<WorkerOptions>(DEFAULT_WORKER_OPTIONS, workerOptions ?? {})
     switch (workerProcessType) {
-      case WorkerProcessType.WORKER_SET:
-        options.elementsPerWorker = options.elementsPerWorker ?? Constants.DEFAULT_CHARGING_STATIONS_PER_WORKER;
-        return new WorkerSet<T>(workerScript, options.elementsPerWorker, options.startDelay);
-      case WorkerProcessType.STATIC_POOL:
-        options.poolMaxSize = options.poolMaxSize ?? Constants.DEFAULT_WORKER_POOL_MAX_SIZE;
-        return new WorkerStaticPool<T>(workerScript, options.poolMaxSize, options.startDelay, options.poolOptions);
-      case WorkerProcessType.DYNAMIC_POOL:
-        options.poolMinSize = options.poolMinSize ?? Constants.DEFAULT_WORKER_POOL_MIN_SIZE;
-        options.poolMaxSize = options.poolMaxSize ?? Constants.DEFAULT_WORKER_POOL_MAX_SIZE;
-        return new WorkerDynamicPool<T>(workerScript, options.poolMinSize, options.poolMaxSize, options.startDelay, options.poolOptions);
+      case WorkerProcessType.workerSet:
+        return new WorkerSet<D, R>(workerScript, workerOptions)
+      case WorkerProcessType.fixedPool:
+        return new WorkerFixedPool<D, R>(workerScript, workerOptions)
+      case WorkerProcessType.dynamicPool:
+        return new WorkerDynamicPool<D, R>(workerScript, workerOptions)
       default:
-        return null;
+        // eslint-disable-next-line @typescript-eslint/restrict-template-expressions
+        throw new Error(`Worker implementation type '${workerProcessType}' not found`)
     }
   }
 }