Commit | Line | Data |
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fc3e6586 | 1 | import crypto from 'node:crypto' |
2740a743 | 2 | import type { MessageValue, PromiseResponseWrapper } from '../utility-types' |
78099a15 | 3 | import { EMPTY_FUNCTION, median } from '../utils' |
34a0cfab | 4 | import { KillBehaviors, isKillBehavior } from '../worker/worker-options' |
aee46736 | 5 | import { PoolEvents, type PoolOptions } from './pool' |
b4904890 | 6 | import { PoolEmitter } from './pool' |
ffcbbad8 | 7 | import type { IPoolInternal, TasksUsage, WorkerType } from './pool-internal' |
b4904890 | 8 | import { PoolType } from './pool-internal' |
ea7a90d3 | 9 | import type { IPoolWorker } from './pool-worker' |
a35560ba S |
10 | import { |
11 | WorkerChoiceStrategies, | |
63220255 | 12 | type WorkerChoiceStrategy |
bdaf31cd JB |
13 | } from './selection-strategies/selection-strategies-types' |
14 | import { WorkerChoiceStrategyContext } from './selection-strategies/worker-choice-strategy-context' | |
78099a15 | 15 | import { CircularArray } from '../circular-array' |
c97c7edb | 16 | |
729c563d | 17 | /** |
ea7a90d3 | 18 | * Base class that implements some shared logic for all poolifier pools. |
729c563d | 19 | * |
38e795c1 JB |
20 | * @typeParam Worker - Type of worker which manages this pool. |
21 | * @typeParam Data - Type of data sent to the worker. This can only be serializable data. | |
22 | * @typeParam Response - Type of response of execution. This can only be serializable data. | |
729c563d | 23 | */ |
c97c7edb | 24 | export abstract class AbstractPool< |
ea7a90d3 | 25 | Worker extends IPoolWorker, |
d3c8a1a8 S |
26 | Data = unknown, |
27 | Response = unknown | |
9b2fdd9f | 28 | > implements IPoolInternal<Worker, Data, Response> { |
afc003b2 | 29 | /** @inheritDoc */ |
e65c6cd9 | 30 | public readonly workers: Array<WorkerType<Worker>> = [] |
4a6952ff | 31 | |
afc003b2 | 32 | /** @inheritDoc */ |
7c0ba920 JB |
33 | public readonly emitter?: PoolEmitter |
34 | ||
be0676b3 | 35 | /** |
2740a743 | 36 | * The promise response map. |
be0676b3 | 37 | * |
2740a743 | 38 | * - `key`: The message id of each submitted task. |
c923ce56 | 39 | * - `value`: An object that contains the worker, the promise resolve and reject callbacks. |
be0676b3 | 40 | * |
2740a743 | 41 | * When we receive a message from the worker we get a map entry with the promise resolve/reject bound to the message. |
be0676b3 | 42 | */ |
c923ce56 JB |
43 | protected promiseResponseMap: Map< |
44 | string, | |
45 | PromiseResponseWrapper<Worker, Response> | |
46 | > = new Map<string, PromiseResponseWrapper<Worker, Response>>() | |
c97c7edb | 47 | |
a35560ba | 48 | /** |
51fe3d3c | 49 | * Worker choice strategy context referencing a worker choice algorithm implementation. |
a35560ba | 50 | * |
51fe3d3c | 51 | * Default to a round robin algorithm. |
a35560ba S |
52 | */ |
53 | protected workerChoiceStrategyContext: WorkerChoiceStrategyContext< | |
78cea37e JB |
54 | Worker, |
55 | Data, | |
56 | Response | |
a35560ba S |
57 | > |
58 | ||
729c563d S |
59 | /** |
60 | * Constructs a new poolifier pool. | |
61 | * | |
38e795c1 JB |
62 | * @param numberOfWorkers - Number of workers that this pool should manage. |
63 | * @param filePath - Path to the worker-file. | |
64 | * @param opts - Options for the pool. | |
729c563d | 65 | */ |
c97c7edb | 66 | public constructor ( |
5c5a1fb7 | 67 | public readonly numberOfWorkers: number, |
c97c7edb | 68 | public readonly filePath: string, |
1927ee67 | 69 | public readonly opts: PoolOptions<Worker> |
c97c7edb | 70 | ) { |
78cea37e | 71 | if (!this.isMain()) { |
c97c7edb S |
72 | throw new Error('Cannot start a pool from a worker!') |
73 | } | |
8d3782fa | 74 | this.checkNumberOfWorkers(this.numberOfWorkers) |
c510fea7 | 75 | this.checkFilePath(this.filePath) |
7c0ba920 | 76 | this.checkPoolOptions(this.opts) |
1086026a JB |
77 | |
78 | this.chooseWorker.bind(this) | |
79 | this.internalExecute.bind(this) | |
164d950a | 80 | this.checkAndEmitFull.bind(this) |
1086026a JB |
81 | this.checkAndEmitBusy.bind(this) |
82 | this.sendToWorker.bind(this) | |
83 | ||
c97c7edb S |
84 | this.setupHook() |
85 | ||
5c5a1fb7 | 86 | for (let i = 1; i <= this.numberOfWorkers; i++) { |
280c2a77 | 87 | this.createAndSetupWorker() |
c97c7edb S |
88 | } |
89 | ||
6bd72cd0 | 90 | if (this.opts.enableEvents === true) { |
7c0ba920 JB |
91 | this.emitter = new PoolEmitter() |
92 | } | |
d59df138 JB |
93 | this.workerChoiceStrategyContext = new WorkerChoiceStrategyContext< |
94 | Worker, | |
95 | Data, | |
96 | Response | |
17393ac8 | 97 | >(this, this.opts.workerChoiceStrategy) |
c97c7edb S |
98 | } |
99 | ||
a35560ba | 100 | private checkFilePath (filePath: string): void { |
ffcbbad8 JB |
101 | if ( |
102 | filePath == null || | |
103 | (typeof filePath === 'string' && filePath.trim().length === 0) | |
104 | ) { | |
c510fea7 APA |
105 | throw new Error('Please specify a file with a worker implementation') |
106 | } | |
107 | } | |
108 | ||
8d3782fa JB |
109 | private checkNumberOfWorkers (numberOfWorkers: number): void { |
110 | if (numberOfWorkers == null) { | |
111 | throw new Error( | |
112 | 'Cannot instantiate a pool without specifying the number of workers' | |
113 | ) | |
78cea37e | 114 | } else if (!Number.isSafeInteger(numberOfWorkers)) { |
473c717a | 115 | throw new TypeError( |
8d3782fa JB |
116 | 'Cannot instantiate a pool with a non integer number of workers' |
117 | ) | |
118 | } else if (numberOfWorkers < 0) { | |
473c717a | 119 | throw new RangeError( |
8d3782fa JB |
120 | 'Cannot instantiate a pool with a negative number of workers' |
121 | ) | |
7c0ba920 | 122 | } else if (this.type === PoolType.FIXED && numberOfWorkers === 0) { |
8d3782fa JB |
123 | throw new Error('Cannot instantiate a fixed pool with no worker') |
124 | } | |
125 | } | |
126 | ||
7c0ba920 | 127 | private checkPoolOptions (opts: PoolOptions<Worker>): void { |
e843b904 JB |
128 | this.opts.workerChoiceStrategy = |
129 | opts.workerChoiceStrategy ?? WorkerChoiceStrategies.ROUND_ROBIN | |
aee46736 JB |
130 | this.checkValidWorkerChoiceStrategy(this.opts.workerChoiceStrategy) |
131 | this.opts.enableEvents = opts.enableEvents ?? true | |
132 | } | |
133 | ||
134 | private checkValidWorkerChoiceStrategy ( | |
135 | workerChoiceStrategy: WorkerChoiceStrategy | |
136 | ): void { | |
137 | if (!Object.values(WorkerChoiceStrategies).includes(workerChoiceStrategy)) { | |
b529c323 | 138 | throw new Error( |
aee46736 | 139 | `Invalid worker choice strategy '${workerChoiceStrategy}'` |
b529c323 JB |
140 | ) |
141 | } | |
7c0ba920 JB |
142 | } |
143 | ||
afc003b2 | 144 | /** @inheritDoc */ |
7c0ba920 JB |
145 | public abstract get type (): PoolType |
146 | ||
c2ade475 | 147 | /** |
51fe3d3c | 148 | * Number of tasks concurrently running in the pool. |
c2ade475 JB |
149 | */ |
150 | private get numberOfRunningTasks (): number { | |
2740a743 | 151 | return this.promiseResponseMap.size |
a35560ba S |
152 | } |
153 | ||
ffcbbad8 | 154 | /** |
b4e75778 | 155 | * Gets the given worker key. |
ffcbbad8 JB |
156 | * |
157 | * @param worker - The worker. | |
7cf00f70 | 158 | * @returns The worker key if the worker is found in the pool, `-1` otherwise. |
ffcbbad8 | 159 | */ |
e65c6cd9 JB |
160 | private getWorkerKey (worker: Worker): number { |
161 | return this.workers.findIndex(workerItem => workerItem.worker === worker) | |
bf9549ae JB |
162 | } |
163 | ||
afc003b2 | 164 | /** @inheritDoc */ |
a35560ba S |
165 | public setWorkerChoiceStrategy ( |
166 | workerChoiceStrategy: WorkerChoiceStrategy | |
167 | ): void { | |
aee46736 | 168 | this.checkValidWorkerChoiceStrategy(workerChoiceStrategy) |
b98ec2e6 | 169 | this.opts.workerChoiceStrategy = workerChoiceStrategy |
c923ce56 JB |
170 | for (const [index, workerItem] of this.workers.entries()) { |
171 | this.setWorker(index, workerItem.worker, { | |
ffcbbad8 JB |
172 | run: 0, |
173 | running: 0, | |
174 | runTime: 0, | |
78099a15 | 175 | runTimeHistory: new CircularArray(), |
2740a743 | 176 | avgRunTime: 0, |
78099a15 | 177 | medRunTime: 0, |
2740a743 | 178 | error: 0 |
ffcbbad8 | 179 | }) |
ea7a90d3 | 180 | } |
a35560ba S |
181 | this.workerChoiceStrategyContext.setWorkerChoiceStrategy( |
182 | workerChoiceStrategy | |
183 | ) | |
184 | } | |
185 | ||
afc003b2 | 186 | /** @inheritDoc */ |
c2ade475 JB |
187 | public abstract get full (): boolean |
188 | ||
afc003b2 | 189 | /** @inheritDoc */ |
7c0ba920 JB |
190 | public abstract get busy (): boolean |
191 | ||
c2ade475 | 192 | protected internalBusy (): boolean { |
7c0ba920 JB |
193 | return ( |
194 | this.numberOfRunningTasks >= this.numberOfWorkers && | |
bf90656c | 195 | this.findFreeWorkerKey() === -1 |
7c0ba920 JB |
196 | ) |
197 | } | |
198 | ||
afc003b2 | 199 | /** @inheritDoc */ |
bf90656c JB |
200 | public findFreeWorkerKey (): number { |
201 | return this.workers.findIndex(workerItem => { | |
c923ce56 JB |
202 | return workerItem.tasksUsage.running === 0 |
203 | }) | |
7c0ba920 JB |
204 | } |
205 | ||
afc003b2 | 206 | /** @inheritDoc */ |
78cea37e | 207 | public async execute (data: Data): Promise<Response> { |
c923ce56 | 208 | const [workerKey, worker] = this.chooseWorker() |
b4e75778 | 209 | const messageId = crypto.randomUUID() |
c923ce56 | 210 | const res = this.internalExecute(workerKey, worker, messageId) |
164d950a | 211 | this.checkAndEmitFull() |
14916bf9 | 212 | this.checkAndEmitBusy() |
a05c10de | 213 | this.sendToWorker(worker, { |
e5a5c0fc JB |
214 | // eslint-disable-next-line @typescript-eslint/consistent-type-assertions |
215 | data: data ?? ({} as Data), | |
b4e75778 | 216 | id: messageId |
a05c10de | 217 | }) |
78cea37e | 218 | // eslint-disable-next-line @typescript-eslint/return-await |
280c2a77 S |
219 | return res |
220 | } | |
c97c7edb | 221 | |
afc003b2 | 222 | /** @inheritDoc */ |
c97c7edb | 223 | public async destroy (): Promise<void> { |
1fbcaa7c | 224 | await Promise.all( |
e65c6cd9 JB |
225 | this.workers.map(async workerItem => { |
226 | await this.destroyWorker(workerItem.worker) | |
1fbcaa7c JB |
227 | }) |
228 | ) | |
c97c7edb S |
229 | } |
230 | ||
4a6952ff | 231 | /** |
afc003b2 | 232 | * Shutdowns given worker in the pool. |
4a6952ff | 233 | * |
38e795c1 | 234 | * @param worker - A worker within `workers`. |
4a6952ff JB |
235 | */ |
236 | protected abstract destroyWorker (worker: Worker): void | Promise<void> | |
c97c7edb | 237 | |
729c563d | 238 | /** |
280c2a77 S |
239 | * Setup hook that can be overridden by a Poolifier pool implementation |
240 | * to run code before workers are created in the abstract constructor. | |
d99ba5a8 | 241 | * Can be overridden |
afc003b2 JB |
242 | * |
243 | * @virtual | |
729c563d | 244 | */ |
280c2a77 | 245 | protected setupHook (): void { |
d99ba5a8 | 246 | // Intentionally empty |
280c2a77 | 247 | } |
c97c7edb | 248 | |
729c563d | 249 | /** |
280c2a77 S |
250 | * Should return whether the worker is the main worker or not. |
251 | */ | |
252 | protected abstract isMain (): boolean | |
253 | ||
254 | /** | |
bf9549ae JB |
255 | * Hook executed before the worker task promise resolution. |
256 | * Can be overridden. | |
729c563d | 257 | * |
2740a743 | 258 | * @param workerKey - The worker key. |
729c563d | 259 | */ |
2740a743 JB |
260 | protected beforePromiseResponseHook (workerKey: number): void { |
261 | ++this.workers[workerKey].tasksUsage.running | |
c97c7edb S |
262 | } |
263 | ||
c01733f1 | 264 | /** |
bf9549ae JB |
265 | * Hook executed after the worker task promise resolution. |
266 | * Can be overridden. | |
c01733f1 | 267 | * |
c923ce56 | 268 | * @param worker - The worker. |
38e795c1 | 269 | * @param message - The received message. |
c01733f1 | 270 | */ |
2740a743 | 271 | protected afterPromiseResponseHook ( |
c923ce56 | 272 | worker: Worker, |
2740a743 | 273 | message: MessageValue<Response> |
bf9549ae | 274 | ): void { |
c923ce56 | 275 | const workerTasksUsage = this.getWorkerTasksUsage(worker) as TasksUsage |
3032893a JB |
276 | --workerTasksUsage.running |
277 | ++workerTasksUsage.run | |
2740a743 JB |
278 | if (message.error != null) { |
279 | ++workerTasksUsage.error | |
280 | } | |
97a2abc3 | 281 | if (this.workerChoiceStrategyContext.getRequiredStatistics().runTime) { |
aee46736 | 282 | workerTasksUsage.runTime += message.runTime ?? 0 |
c6bd2650 JB |
283 | if ( |
284 | this.workerChoiceStrategyContext.getRequiredStatistics().avgRunTime && | |
285 | workerTasksUsage.run !== 0 | |
286 | ) { | |
3032893a JB |
287 | workerTasksUsage.avgRunTime = |
288 | workerTasksUsage.runTime / workerTasksUsage.run | |
289 | } | |
78099a15 JB |
290 | if (this.workerChoiceStrategyContext.getRequiredStatistics().medRunTime) { |
291 | workerTasksUsage.runTimeHistory.push(message.runTime ?? 0) | |
292 | workerTasksUsage.medRunTime = median(workerTasksUsage.runTimeHistory) | |
293 | } | |
3032893a | 294 | } |
c01733f1 | 295 | } |
296 | ||
280c2a77 | 297 | /** |
675bb809 | 298 | * Chooses a worker for the next task. |
280c2a77 | 299 | * |
51fe3d3c | 300 | * The default uses a round robin algorithm to distribute the load. |
280c2a77 | 301 | * |
c923ce56 | 302 | * @returns [worker key, worker]. |
280c2a77 | 303 | */ |
c923ce56 | 304 | protected chooseWorker (): [number, Worker] { |
17393ac8 JB |
305 | let workerKey: number |
306 | if ( | |
307 | this.type === PoolType.DYNAMIC && | |
308 | !this.full && | |
309 | this.findFreeWorkerKey() === -1 | |
310 | ) { | |
311 | const createdWorker = this.createAndSetupWorker() | |
312 | this.registerWorkerMessageListener(createdWorker, message => { | |
313 | if ( | |
314 | isKillBehavior(KillBehaviors.HARD, message.kill) || | |
d2097c13 JB |
315 | (message.kill != null && |
316 | this.getWorkerTasksUsage(createdWorker)?.running === 0) | |
17393ac8 | 317 | ) { |
aee46736 | 318 | // Kill message received from the worker, means that no new tasks are submitted to that worker for a while ( > maxInactiveTime) |
17393ac8 JB |
319 | void this.destroyWorker(createdWorker) |
320 | } | |
321 | }) | |
322 | workerKey = this.getWorkerKey(createdWorker) | |
323 | } else { | |
324 | workerKey = this.workerChoiceStrategyContext.execute() | |
325 | } | |
c923ce56 | 326 | return [workerKey, this.workers[workerKey].worker] |
c97c7edb S |
327 | } |
328 | ||
280c2a77 | 329 | /** |
675bb809 | 330 | * Sends a message to the given worker. |
280c2a77 | 331 | * |
38e795c1 JB |
332 | * @param worker - The worker which should receive the message. |
333 | * @param message - The message. | |
280c2a77 S |
334 | */ |
335 | protected abstract sendToWorker ( | |
336 | worker: Worker, | |
337 | message: MessageValue<Data> | |
338 | ): void | |
339 | ||
4a6952ff | 340 | /** |
bdede008 | 341 | * Registers a listener callback on a given worker. |
4a6952ff | 342 | * |
38e795c1 JB |
343 | * @param worker - The worker which should register a listener. |
344 | * @param listener - The message listener callback. | |
4a6952ff JB |
345 | */ |
346 | protected abstract registerWorkerMessageListener< | |
4f7fa42a | 347 | Message extends Data | Response |
78cea37e | 348 | >(worker: Worker, listener: (message: MessageValue<Message>) => void): void |
c97c7edb | 349 | |
729c563d S |
350 | /** |
351 | * Returns a newly created worker. | |
352 | */ | |
280c2a77 | 353 | protected abstract createWorker (): Worker |
c97c7edb | 354 | |
729c563d S |
355 | /** |
356 | * Function that can be hooked up when a worker has been newly created and moved to the workers registry. | |
357 | * | |
38e795c1 | 358 | * Can be used to update the `maxListeners` or binding the `main-worker`\<-\>`worker` connection if not bind by default. |
729c563d | 359 | * |
38e795c1 | 360 | * @param worker - The newly created worker. |
afc003b2 | 361 | * @virtual |
729c563d | 362 | */ |
280c2a77 | 363 | protected abstract afterWorkerSetup (worker: Worker): void |
c97c7edb | 364 | |
4a6952ff JB |
365 | /** |
366 | * Creates a new worker for this pool and sets it up completely. | |
367 | * | |
368 | * @returns New, completely set up worker. | |
369 | */ | |
370 | protected createAndSetupWorker (): Worker { | |
bdacc2d2 | 371 | const worker = this.createWorker() |
280c2a77 | 372 | |
35cf1c03 | 373 | worker.on('message', this.opts.messageHandler ?? EMPTY_FUNCTION) |
a35560ba S |
374 | worker.on('error', this.opts.errorHandler ?? EMPTY_FUNCTION) |
375 | worker.on('online', this.opts.onlineHandler ?? EMPTY_FUNCTION) | |
376 | worker.on('exit', this.opts.exitHandler ?? EMPTY_FUNCTION) | |
a974afa6 JB |
377 | worker.once('exit', () => { |
378 | this.removeWorker(worker) | |
379 | }) | |
280c2a77 | 380 | |
c923ce56 | 381 | this.pushWorker(worker, { |
ffcbbad8 JB |
382 | run: 0, |
383 | running: 0, | |
384 | runTime: 0, | |
78099a15 | 385 | runTimeHistory: new CircularArray(), |
2740a743 | 386 | avgRunTime: 0, |
78099a15 | 387 | medRunTime: 0, |
2740a743 | 388 | error: 0 |
ffcbbad8 | 389 | }) |
280c2a77 S |
390 | |
391 | this.afterWorkerSetup(worker) | |
392 | ||
c97c7edb S |
393 | return worker |
394 | } | |
be0676b3 APA |
395 | |
396 | /** | |
397 | * This function is the listener registered for each worker. | |
398 | * | |
bdacc2d2 | 399 | * @returns The listener function to execute when a message is received from a worker. |
be0676b3 APA |
400 | */ |
401 | protected workerListener (): (message: MessageValue<Response>) => void { | |
4a6952ff | 402 | return message => { |
b1989cfd | 403 | if (message.id != null) { |
aee46736 | 404 | // Task response received |
2740a743 | 405 | const promiseResponse = this.promiseResponseMap.get(message.id) |
b1989cfd | 406 | if (promiseResponse != null) { |
78cea37e | 407 | if (message.error != null) { |
2740a743 | 408 | promiseResponse.reject(message.error) |
a05c10de | 409 | } else { |
2740a743 | 410 | promiseResponse.resolve(message.data as Response) |
a05c10de | 411 | } |
c923ce56 | 412 | this.afterPromiseResponseHook(promiseResponse.worker, message) |
2740a743 | 413 | this.promiseResponseMap.delete(message.id) |
be0676b3 APA |
414 | } |
415 | } | |
416 | } | |
be0676b3 | 417 | } |
7c0ba920 | 418 | |
78cea37e | 419 | private async internalExecute ( |
2740a743 | 420 | workerKey: number, |
c923ce56 | 421 | worker: Worker, |
b4e75778 | 422 | messageId: string |
78cea37e | 423 | ): Promise<Response> { |
2740a743 | 424 | this.beforePromiseResponseHook(workerKey) |
78cea37e | 425 | return await new Promise<Response>((resolve, reject) => { |
c923ce56 | 426 | this.promiseResponseMap.set(messageId, { resolve, reject, worker }) |
78cea37e JB |
427 | }) |
428 | } | |
429 | ||
7c0ba920 | 430 | private checkAndEmitBusy (): void { |
78cea37e | 431 | if (this.opts.enableEvents === true && this.busy) { |
aee46736 | 432 | this.emitter?.emit(PoolEvents.busy) |
7c0ba920 JB |
433 | } |
434 | } | |
bf9549ae | 435 | |
164d950a JB |
436 | private checkAndEmitFull (): void { |
437 | if ( | |
438 | this.type === PoolType.DYNAMIC && | |
439 | this.opts.enableEvents === true && | |
440 | this.full | |
441 | ) { | |
aee46736 | 442 | this.emitter?.emit(PoolEvents.full) |
164d950a JB |
443 | } |
444 | } | |
445 | ||
c923ce56 | 446 | /** |
afc003b2 | 447 | * Gets the given worker tasks usage in the pool. |
c923ce56 JB |
448 | * |
449 | * @param worker - The worker. | |
450 | * @returns The worker tasks usage. | |
451 | */ | |
452 | private getWorkerTasksUsage (worker: Worker): TasksUsage | undefined { | |
3032893a | 453 | const workerKey = this.getWorkerKey(worker) |
e65c6cd9 JB |
454 | if (workerKey !== -1) { |
455 | return this.workers[workerKey].tasksUsage | |
ffcbbad8 | 456 | } |
3032893a | 457 | throw new Error('Worker could not be found in the pool') |
a05c10de JB |
458 | } |
459 | ||
460 | /** | |
51fe3d3c | 461 | * Pushes the given worker in the pool. |
ea7a90d3 | 462 | * |
38e795c1 | 463 | * @param worker - The worker. |
ffcbbad8 | 464 | * @param tasksUsage - The worker tasks usage. |
ea7a90d3 | 465 | */ |
c923ce56 | 466 | private pushWorker (worker: Worker, tasksUsage: TasksUsage): void { |
e65c6cd9 | 467 | this.workers.push({ |
ffcbbad8 JB |
468 | worker, |
469 | tasksUsage | |
ea7a90d3 JB |
470 | }) |
471 | } | |
c923ce56 JB |
472 | |
473 | /** | |
51fe3d3c | 474 | * Sets the given worker in the pool. |
c923ce56 JB |
475 | * |
476 | * @param workerKey - The worker key. | |
477 | * @param worker - The worker. | |
478 | * @param tasksUsage - The worker tasks usage. | |
479 | */ | |
480 | private setWorker ( | |
481 | workerKey: number, | |
482 | worker: Worker, | |
483 | tasksUsage: TasksUsage | |
484 | ): void { | |
485 | this.workers[workerKey] = { | |
486 | worker, | |
487 | tasksUsage | |
488 | } | |
489 | } | |
51fe3d3c JB |
490 | |
491 | /** | |
492 | * Removes the given worker from the pool. | |
493 | * | |
494 | * @param worker - The worker that will be removed. | |
495 | */ | |
496 | protected removeWorker (worker: Worker): void { | |
497 | const workerKey = this.getWorkerKey(worker) | |
498 | this.workers.splice(workerKey, 1) | |
499 | this.workerChoiceStrategyContext.remove(workerKey) | |
500 | } | |
c97c7edb | 501 | } |