Add configuration tunable for pool worker choice strategy

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

diff --git a/src/worker/WorkerDynamicPool.ts b/src/worker/WorkerDynamicPool.ts
index 339aebcace72c63dce0472389664594b1100793b..a8f689782b37a414545799c3beacb2e8de6932ac 100644 (file)
--- a/src/worker/WorkerDynamicPool.ts
+++ b/src/worker/WorkerDynamicPool.ts
@@ -1,6 +1,5 @@
 import { DynamicThreadPool, PoolOptions } from 'poolifier';
 
-import Constants from '../utils/Constants';
 import Utils from '../utils/Utils';
 import { Worker } from 'worker_threads';
 import WorkerAbstract from './WorkerAbstract';
@@ -13,10 +12,14 @@ export default class WorkerDynamicPool<T> extends WorkerAbstract {
    * Create a new `WorkerDynamicPool`.
    *
    * @param {string} workerScript
+   * @param {number} min
+   * @param {number} max
+   * @param {number} workerStartDelay
+   * @param {PoolOptions} opts
    */
-  constructor(workerScript: string, min: number, max: number,) {
-    super(workerScript);
-    this.pool = DynamicPool.getInstance(min, max, this.workerScript);
+  constructor(workerScript: string, min: number, max: number, workerStartDelay?: number, opts?: PoolOptions<Worker>) {
+    super(workerScript, workerStartDelay);
+    this.pool = DynamicPool.getInstance(min, max, this.workerScript, opts);
   }
 
   get size(): number {
@@ -29,7 +32,7 @@ export default class WorkerDynamicPool<T> extends WorkerAbstract {
 
   /**
    *
-   * @return {Promise<void>}
+   * @returns {Promise<void>}
    * @public
    */
   // eslint-disable-next-line @typescript-eslint/no-empty-function
@@ -37,7 +40,7 @@ export default class WorkerDynamicPool<T> extends WorkerAbstract {
 
   /**
    *
-   * @return {Promise<void>}
+   * @returns {Promise<void>}
    * @public
    */
   // eslint-disable-next-line @typescript-eslint/require-await
@@ -47,13 +50,14 @@ export default class WorkerDynamicPool<T> extends WorkerAbstract {
 
   /**
    *
-   * @return {Promise<void>}
+   * @param 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);
   }
 }
 
@@ -64,17 +68,14 @@ class DynamicPool extends DynamicThreadPool<WorkerData> {
     super(min, max, workerScript, opts);
   }
 
-  public static getInstance(min: number, max: number, workerScript: string): DynamicPool {
+  public static getInstance(min: number, max: number, workerScript: string, opts?: PoolOptions<Worker>): DynamicPool {
     if (!DynamicPool.instance) {
-      DynamicPool.instance = new DynamicPool(min, max, 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}`);
         }
-      );
+      });
+      DynamicPool.instance = new DynamicPool(min, max, workerScript, opts);
     }
     return DynamicPool.instance;
   }