Merge branch 'master' of https://github.wdf.sap.corp/E-Mobility/ev-simulator

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

diff --git a/src/worker/WorkerStaticPool.ts b/src/worker/WorkerStaticPool.ts
index c6625d8b609ac55d171e5b7959498242289d90d0..7a304b707d62b0083c98ce82795921f5ff92072c 100644 (file)
--- a/src/worker/WorkerStaticPool.ts
+++ b/src/worker/WorkerStaticPool.ts
@@ -1,34 +1,37 @@
-import { FixedThreadPool, FixedThreadPoolOptions } from 'poolifier';
+import { FixedThreadPool, PoolOptions } from 'poolifier';
 
-import Constants from '../utils/Constants';
 import Utils from '../utils/Utils';
+import { Worker } from 'worker_threads';
+import WorkerAbstract from './WorkerAbstract';
 import { WorkerData } from '../types/Worker';
-import Wrk from './Wrk';
 
-export default class WorkerStaticPool<T> extends Wrk {
+export default class WorkerStaticPool<T> extends WorkerAbstract {
   private pool: StaticPool;
 
   /**
    * Create a new `WorkerStaticPool`.
    *
    * @param {string} workerScript
+   * @param {number} numberOfThreads
+   * @param {number} startWorkerDelay
+   * @param {PoolOptions} opts
    */
-  constructor(workerScript: string, numThreads: number) {
-    super(workerScript);
-    this.pool = StaticPool.getInstance(numThreads, this.workerScript);
+  constructor(workerScript: string, numberOfThreads: number, startWorkerDelay?: number, opts?: PoolOptions<Worker>) {
+    super(workerScript, startWorkerDelay);
+    this.pool = StaticPool.getInstance(numberOfThreads, this.workerScript, opts);
   }
 
   get size(): number {
     return this.pool.workers.length;
   }
 
-  get maxElementsPerWorker(): number {
-    return 1;
+  get maxElementsPerWorker(): number | null {
+    return null;
   }
 
   /**
    *
-   * @return {Promise<void>}
+   * @returns {Promise<void>}
    * @public
    */
   // eslint-disable-next-line @typescript-eslint/no-empty-function
@@ -36,34 +39,41 @@ export default class WorkerStaticPool<T> extends Wrk {
 
   /**
    *
-   * @return {Promise<void>}
+   * @returns {Promise<void>}
+   * @public
+   */
+  public async stop(): Promise<void> {
+    return this.pool.destroy();
+  }
+
+  /**
+   *
+   * @param {T} elementData
+   * @returns {Promise<void>}
    * @public
    */
   public async addElement(elementData: T): Promise<void> {
     await this.pool.execute(elementData);
     // Start worker sequentially to optimize memory at startup
-    await Utils.sleep(Constants.START_WORKER_DELAY);
+    await Utils.sleep(this.workerStartDelay);
   }
 }
 
 class StaticPool extends FixedThreadPool<WorkerData> {
   private static instance: StaticPool;
 
-  private constructor(numThreads: number, workerScript: string, opts?: FixedThreadPoolOptions) {
-    super(numThreads, workerScript, opts);
+  private constructor(numberOfThreads: number, workerScript: string, opts?: PoolOptions<Worker>) {
+    super(numberOfThreads, workerScript, opts);
   }
 
-  public static getInstance(numThreads: number, workerScript: string): StaticPool {
+  public static getInstance(numberOfThreads: number, workerScript: string, opts?: PoolOptions<Worker>): StaticPool {
     if (!StaticPool.instance) {
-      StaticPool.instance = new StaticPool(numThreads, workerScript,
-        {
-          exitHandler: (code) => {
-            if (code !== 0) {
-              console.error(`Worker stopped with exit code ${code}`);
-            }
-          }
+      opts.exitHandler = opts?.exitHandler ?? ((code) => {
+        if (code !== 0) {
+          console.error(`Worker stopped with exit code ${code}`);
         }
-      );
+      });
+      StaticPool.instance = new StaticPool(numberOfThreads, workerScript, opts);
     }
     return StaticPool.instance;
   }