refactor(simulator): switch utils to internal module export/import

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

diff --git a/src/worker/WorkerFactory.ts b/src/worker/WorkerFactory.ts
index dba59173510a3e63e33c7dafa191d444eb406385..fb9a26f1ec2d675c9887ebb96a283a6c252be1f1 100644 (file)
--- a/src/worker/WorkerFactory.ts
+++ b/src/worker/WorkerFactory.ts
@@ -1,41 +1,58 @@
-import { WorkerOptions, WorkerProcessType } from '../types/Worker';
+import { type Worker, isMainThread } from 'worker_threads';
 
-import Utils from '../utils/Utils';
-import WorkerDynamicPool from './WorkerDynamicPool';
-import WorkerSet from './WorkerSet';
-import WorkerStaticPool from './WorkerStaticPool';
-import Wrk from './Wrk';
-import { isMainThread } from 'worker_threads';
+import type { PoolOptions } from 'poolifier';
 
-export default class WorkerFactory {
-  public static getWorkerImplementation<T>(workerScript: string, workerProcessType: WorkerProcessType, options?: WorkerOptions): Wrk {
+import type { WorkerAbstract } from './WorkerAbstract';
+import { WorkerConstants } from './WorkerConstants';
+import { WorkerDynamicPool } from './WorkerDynamicPool';
+import { WorkerSet } from './WorkerSet';
+import { WorkerStaticPool } from './WorkerStaticPool';
+import { type WorkerData, type WorkerOptions, WorkerProcessType } from './WorkerTypes';
+
+export class WorkerFactory {
+  private constructor() {
+    // This is intentional
+  }
+
+  public static getWorkerImplementation<T extends WorkerData>(
+    workerScript: string,
+    workerProcessType: WorkerProcessType,
+    workerOptions?: 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;
+      throw new Error('Cannot get a worker implementation outside the main thread');
     }
+    workerOptions = workerOptions ?? ({} as WorkerOptions);
+    workerOptions.workerStartDelay =
+      workerOptions?.workerStartDelay ?? WorkerConstants.DEFAULT_WORKER_START_DELAY;
+    workerOptions.elementStartDelay =
+      workerOptions?.elementStartDelay ?? WorkerConstants.DEFAULT_ELEMENT_START_DELAY;
+    workerOptions.poolOptions = workerOptions?.poolOptions ?? ({} as PoolOptions<Worker>);
+    workerOptions?.messageHandler &&
+      (workerOptions.poolOptions.messageHandler = workerOptions.messageHandler);
+    let workerImplementation: WorkerAbstract<T> | null = null;
     switch (workerProcessType) {
       case WorkerProcessType.WORKER_SET:
-        if (Utils.isUndefined(options.elementsPerWorker)) {
-          options.elementsPerWorker = 1;
-        }
-        return new WorkerSet<T>(workerScript, options.elementsPerWorker);
+        workerOptions.elementsPerWorker =
+          workerOptions?.elementsPerWorker ?? WorkerConstants.DEFAULT_ELEMENTS_PER_WORKER;
+        workerImplementation = new WorkerSet(workerScript, workerOptions);
+        break;
       case WorkerProcessType.STATIC_POOL:
-        if (Utils.isUndefined(options.poolMaxSize)) {
-          options.poolMaxSize = 16;
-        }
-        return new WorkerStaticPool<T>(workerScript, options.poolMaxSize);
+        workerOptions.poolMaxSize =
+          workerOptions?.poolMaxSize ?? WorkerConstants.DEFAULT_POOL_MAX_SIZE;
+        workerImplementation = new WorkerStaticPool(workerScript, workerOptions);
+        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);
+        workerOptions.poolMinSize =
+          workerOptions?.poolMinSize ?? WorkerConstants.DEFAULT_POOL_MIN_SIZE;
+        workerOptions.poolMaxSize =
+          workerOptions?.poolMaxSize ?? WorkerConstants.DEFAULT_POOL_MAX_SIZE;
+        workerImplementation = new WorkerDynamicPool(workerScript, workerOptions);
+        break;
       default:
-        return null;
+        // eslint-disable-next-line @typescript-eslint/restrict-template-expressions
+        throw new Error(`Worker implementation type '${workerProcessType}' not found`);
     }
+    return workerImplementation;
   }
 }