MessageValue,
PromiseWorkerResponseWrapper
} from '../utility-types'
-import { EMPTY_FUNCTION, EMPTY_LITERAL } from '../utils'
-import { isKillBehavior, KillBehaviors } from '../worker/worker-options'
+import { EMPTY_FUNCTION } from '../utils'
+import { KillBehaviors, isKillBehavior } from '../worker/worker-options'
import type { PoolOptions } from './pool'
import { PoolEmitter } from './pool'
import type { IPoolInternal, TasksUsage } from './pool-internal'
import type { IPoolWorker } from './pool-worker'
import {
WorkerChoiceStrategies,
- WorkerChoiceStrategy
+ type WorkerChoiceStrategy
} from './selection-strategies/selection-strategies-types'
import { WorkerChoiceStrategyContext } from './selection-strategies/worker-choice-strategy-context'
/**
* Base class that implements some shared logic for all poolifier pools.
*
- * @template Worker Type of worker which manages this pool.
- * @template Data Type of data sent to the worker. This can only be serializable data.
- * @template Response Type of response of execution. This can only be serializable data.
+ * @typeParam Worker - Type of worker which manages this pool.
+ * @typeParam Data - Type of data sent to the worker. This can only be serializable data.
+ * @typeParam Response - Type of response of execution. This can only be serializable data.
*/
export abstract class AbstractPool<
Worker extends IPoolWorker,
Data = unknown,
Response = unknown
> implements IPoolInternal<Worker, Data, Response> {
- /** @inheritDoc */
+ /** {@inheritDoc} */
public readonly workers: Worker[] = []
- /** @inheritDoc */
+ /** {@inheritDoc} */
public readonly workersTasksUsage: Map<Worker, TasksUsage> = new Map<
Worker,
TasksUsage
>()
- /** @inheritDoc */
+ /** {@inheritDoc} */
public readonly emitter?: PoolEmitter
/**
/**
* Constructs a new poolifier pool.
*
- * @param numberOfWorkers Number of workers that this pool should manage.
- * @param filePath Path to the worker-file.
- * @param opts Options for the pool.
+ * @param numberOfWorkers - Number of workers that this pool should manage.
+ * @param filePath - Path to the worker-file.
+ * @param opts - Options for the pool.
*/
public constructor (
public readonly numberOfWorkers: number,
this.getWorkerRunningTasks(workerCreated) === 0
) {
// Kill received from the worker, means that no new tasks are submitted to that worker for a while ( > maxInactiveTime)
- void (this.destroyWorker(workerCreated) as Promise<void>)
+ void this.destroyWorker(workerCreated)
}
})
return workerCreated
this.opts.enableEvents = opts.enableEvents ?? true
}
- /** @inheritDoc */
+ /** {@inheritDoc} */
public abstract get type (): PoolType
- /** @inheritDoc */
+ /** {@inheritDoc} */
public get numberOfRunningTasks (): number {
return this.promiseMap.size
}
- /** @inheritDoc */
+ /** {@inheritDoc} */
public getWorkerIndex (worker: Worker): number {
return this.workers.indexOf(worker)
}
- /** @inheritDoc */
+ /** {@inheritDoc} */
public getWorkerRunningTasks (worker: Worker): number | undefined {
return this.workersTasksUsage.get(worker)?.running
}
- /** @inheritDoc */
+ /** {@inheritDoc} */
public getWorkerAverageTasksRunTime (worker: Worker): number | undefined {
return this.workersTasksUsage.get(worker)?.avgRunTime
}
- /** @inheritDoc */
+ /** {@inheritDoc} */
public setWorkerChoiceStrategy (
workerChoiceStrategy: WorkerChoiceStrategy
): void {
)
}
- /** @inheritDoc */
+ /** {@inheritDoc} */
public abstract get busy (): boolean
protected internalGetBusyStatus (): boolean {
)
}
- /** @inheritDoc */
+ /** {@inheritDoc} */
public findFreeWorker (): Worker | false {
for (const worker of this.workers) {
if (this.getWorkerRunningTasks(worker) === 0) {
return false
}
- /** @inheritDoc */
+ /** {@inheritDoc} */
public async execute (data: Data): Promise<Response> {
// Configure worker to handle message with the specified task
const worker = this.chooseWorker()
const res = this.internalExecute(worker, this.nextMessageId)
this.checkAndEmitBusy()
this.sendToWorker(worker, {
- data: data ?? (EMPTY_LITERAL as Data),
+ // eslint-disable-next-line @typescript-eslint/consistent-type-assertions
+ data: data ?? ({} as Data),
id: this.nextMessageId
})
++this.nextMessageId
return res
}
- /** @inheritDoc */
+ /** {@inheritDoc} */
public async destroy (): Promise<void> {
- await Promise.all(this.workers.map(worker => this.destroyWorker(worker)))
+ await Promise.all(
+ this.workers.map(async worker => {
+ await this.destroyWorker(worker)
+ })
+ )
}
/**
* Shutdowns given worker.
*
- * @param worker A worker within `workers`.
+ * @param worker - A worker within `workers`.
*/
protected abstract destroyWorker (worker: Worker): void | Promise<void>
* Hook executed before the worker task promise resolution.
* Can be overridden.
*
- * @param worker The worker.
+ * @param worker - The worker.
*/
protected beforePromiseWorkerResponseHook (worker: Worker): void {
this.increaseWorkerRunningTasks(worker)
* Hook executed after the worker task promise resolution.
* Can be overridden.
*
- * @param message The received message.
- * @param promise The Promise response.
+ * @param message - The received message.
+ * @param promise - The Promise response.
*/
protected afterPromiseWorkerResponseHook (
message: MessageValue<Response>,
/**
* Removes the given worker from the pool.
*
- * @param worker The worker that will be removed.
+ * @param worker - The worker that will be removed.
*/
protected removeWorker (worker: Worker): void {
// Clean worker from data structure
/**
* Sends a message to the given worker.
*
- * @param worker The worker which should receive the message.
- * @param message The message.
+ * @param worker - The worker which should receive the message.
+ * @param message - The message.
*/
protected abstract sendToWorker (
worker: Worker,
/**
* Registers a listener callback on a given worker.
*
- * @param worker The worker which should register a listener.
- * @param listener The message listener callback.
+ * @param worker - The worker which should register a listener.
+ * @param listener - The message listener callback.
*/
protected abstract registerWorkerMessageListener<
Message extends Data | Response
/**
* Function that can be hooked up when a worker has been newly created and moved to the workers registry.
*
- * Can be used to update the `maxListeners` or binding the `main-worker`<->`worker` connection if not bind by default.
+ * Can be used to update the `maxListeners` or binding the `main-worker`\<-\>`worker` connection if not bind by default.
*
- * @param worker The newly created worker.
+ * @param worker - The newly created worker.
*/
protected abstract afterWorkerSetup (worker: Worker): void
worker.on('error', this.opts.errorHandler ?? EMPTY_FUNCTION)
worker.on('online', this.opts.onlineHandler ?? EMPTY_FUNCTION)
worker.on('exit', this.opts.exitHandler ?? EMPTY_FUNCTION)
- worker.once('exit', () => this.removeWorker(worker))
+ worker.once('exit', () => {
+ this.removeWorker(worker)
+ })
this.workers.push(worker)
/**
* Increases the number of tasks that the given worker has applied.
*
- * @param worker Worker which running tasks is increased.
+ * @param worker - Worker which running tasks is increased.
*/
private increaseWorkerRunningTasks (worker: Worker): void {
this.stepWorkerRunningTasks(worker, 1)
/**
* Decreases the number of tasks that the given worker has applied.
*
- * @param worker Worker which running tasks is decreased.
+ * @param worker - Worker which running tasks is decreased.
*/
private decreaseWorkerRunningTasks (worker: Worker): void {
this.stepWorkerRunningTasks(worker, -1)
/**
* Steps the number of tasks that the given worker has applied.
*
- * @param worker Worker which running tasks are stepped.
- * @param step Number of running tasks step.
+ * @param worker - Worker which running tasks are stepped.
+ * @param step - Number of running tasks step.
*/
private stepWorkerRunningTasks (worker: Worker, step: number): void {
if (this.checkWorkerTasksUsage(worker)) {
/**
* Steps the number of tasks that the given worker has run.
*
- * @param worker Worker which has run tasks.
- * @param step Number of run tasks step.
+ * @param worker - Worker which has run tasks.
+ * @param step - Number of run tasks step.
*/
private stepWorkerRunTasks (worker: Worker, step: number): void {
if (this.checkWorkerTasksUsage(worker)) {
/**
* Updates tasks runtime for the given worker.
*
- * @param worker Worker which run the task.
- * @param taskRunTime Worker task runtime.
+ * @param worker - Worker which run the task.
+ * @param taskRunTime - Worker task runtime.
*/
private updateWorkerTasksRunTime (
worker: Worker,
/**
* Checks if the given worker is registered in the workers tasks usage map.
*
- * @param worker Worker to check.
+ * @param worker - Worker to check.
* @returns `true` if the worker is registered in the workers tasks usage map. `false` otherwise.
*/
private checkWorkerTasksUsage (worker: Worker): boolean {
/**
* Initializes tasks usage statistics.
*
- * @param worker The worker.
+ * @param worker - The worker.
*/
private initWorkerTasksUsage (worker: Worker): void {
this.workersTasksUsage.set(worker, {
/**
* Removes worker tasks usage statistics.
*
- * @param worker The worker.
+ * @param worker - The worker.
*/
private removeWorkerTasksUsage (worker: Worker): void {
this.workersTasksUsage.delete(worker)
/**
* Resets worker tasks usage statistics.
*
- * @param worker The worker.
+ * @param worker - The worker.
*/
private resetWorkerTasksUsage (worker: Worker): void {
this.removeWorkerTasksUsage(worker)