fix: do not run scripts while installing deps in docker image

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

diff --git a/src/worker/WorkerAbstract.ts b/src/worker/WorkerAbstract.ts
index 356e1a7ab8997c2dac8eeab4c03e4c09f0fac0e1..0ef5470649c2e943e0ff7134cb89b9a3ed29ae3a 100644 (file)
--- a/src/worker/WorkerAbstract.ts
+++ b/src/worker/WorkerAbstract.ts
@@ -1,13 +1,20 @@
-import fs from 'fs';
+import type EventEmitterAsyncResource from 'node:events';
+import fs from 'node:fs';
+import type { Worker } from 'node:worker_threads';
 
-import type { WorkerData, WorkerOptions } from '../types/Worker';
-import WorkerConstants from './WorkerConstants';
+import type { ErrorHandler, ExitHandler, PoolInfo } from 'poolifier';
 
-export default abstract class WorkerAbstract<T extends WorkerData> {
+import { WorkerConstants } from './WorkerConstants';
+import type { SetInfo, WorkerData, WorkerOptions } from './WorkerTypes';
+import { defaultErrorHandler, defaultExitHandler } from './WorkerUtils';
+
+export abstract class WorkerAbstract<T extends WorkerData> {
   protected readonly workerScript: string;
   protected readonly workerOptions: WorkerOptions;
+  public abstract readonly info: PoolInfo | SetInfo;
   public abstract readonly size: number;
-  public abstract readonly maxElementsPerWorker: number | null;
+  public abstract readonly maxElementsPerWorker: number | undefined;
+  public abstract readonly emitter: EventEmitterAsyncResource | undefined;
 
   /**
    * `WorkerAbstract` constructor.
@@ -24,22 +31,41 @@ export default abstract class WorkerAbstract<T extends WorkerData> {
       poolMaxSize: WorkerConstants.DEFAULT_POOL_MAX_SIZE,
       elementsPerWorker: WorkerConstants.DEFAULT_ELEMENTS_PER_WORKER,
       poolOptions: {},
-      messageHandler: () => {
-        /* This is intentional */
-      },
     }
   ) {
-    if (!workerScript) {
+    if (workerScript === null || workerScript === undefined) {
       throw new Error('Worker script is not defined');
     }
+    if (typeof workerScript === 'string' && workerScript.trim().length === 0) {
+      throw new Error('Worker script is empty');
+    }
     if (!fs.existsSync(workerScript)) {
       throw new Error('Worker script file does not exist');
     }
     this.workerScript = workerScript;
     this.workerOptions = workerOptions;
+    this.workerOptions.poolOptions?.messageHandler?.bind(this);
+    this.workerOptions.poolOptions.errorHandler = (
+      this.workerOptions?.poolOptions?.errorHandler ?? defaultErrorHandler
+    ).bind(this) as ErrorHandler<Worker>;
+    this.workerOptions.poolOptions?.onlineHandler?.bind(this);
+    this.workerOptions.poolOptions.exitHandler = (
+      this.workerOptions?.poolOptions?.exitHandler ?? defaultExitHandler
+    ).bind(this) as ExitHandler<Worker>;
   }
 
+  /**
+   * Start the worker pool/set.
+   */
   public abstract start(): Promise<void>;
+  /**
+   * Stop the worker pool/set.
+   */
   public abstract stop(): Promise<void>;
+  /**
+   * Add a task element to the worker pool/set.
+   *
+   * @param elementData -
+   */
   public abstract addElement(elementData: T): Promise<void>;
 }