More import type usage

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

diff --git a/src/worker/WorkerFactory.ts b/src/worker/WorkerFactory.ts
index 2d923daab084bb95b77a783509053bed4b519a7a..668d447a7f4c23a1574bbb2c8ffc50260eb910f9 100644 (file)
--- a/src/worker/WorkerFactory.ts
+++ b/src/worker/WorkerFactory.ts
@@ -1,21 +1,58 @@
-import Configuration from '../utils/Configuration';
+import { type Worker, isMainThread } from 'worker_threads';
+
+import type { PoolOptions } from 'poolifier';
+
+import { type WorkerData, type WorkerOptions, WorkerProcessType } from '../types/Worker';
+import type WorkerAbstract from './WorkerAbstract';
+import WorkerConstants from './WorkerConstants';
 import WorkerDynamicPool from './WorkerDynamicPool';
-import { WorkerProcessType } from '../types/Worker';
 import WorkerSet from './WorkerSet';
 import WorkerStaticPool from './WorkerStaticPool';
-import Wrk from './Wrk';
 
 export default class WorkerFactory {
-  public static getWorkerImpl(workerScript: string): Wrk {
-    switch (Configuration.getWorkerProcess()) {
+  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('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;
+    switch (workerProcessType) {
       case WorkerProcessType.WORKER_SET:
-        return new WorkerSet(workerScript, Configuration.getChargingStationsPerWorker());
+        workerOptions.elementsPerWorker =
+          workerOptions?.elementsPerWorker ?? WorkerConstants.DEFAULT_ELEMENTS_PER_WORKER;
+        workerImplementation = new WorkerSet(workerScript, workerOptions);
+        break;
       case WorkerProcessType.STATIC_POOL:
-        return new WorkerStaticPool(workerScript, Configuration.getWorkerPoolMaxSize());
+        workerOptions.poolMaxSize =
+          workerOptions?.poolMaxSize ?? WorkerConstants.DEFAULT_POOL_MAX_SIZE;
+        workerImplementation = new WorkerStaticPool(workerScript, workerOptions);
+        break;
       case WorkerProcessType.DYNAMIC_POOL:
-        return new WorkerDynamicPool(workerScript, Configuration.getWorkerPoolMinSize(), Configuration.getWorkerPoolMaxSize());
+        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;
   }
 }