X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Fpools%2Fthread%2Fdynamic.ts;h=04125854e2f24e7bb6c1d058bb57fa953105eb35;hb=1927ee6758147bb8a2479b987322564cea20992b;hp=fddae4662e8b4a4a2b68baf043015fa498d78b4f;hpb=4f7fa42a78e36031814421ba6310586da9dd46d2;p=poolifier.git diff --git a/src/pools/thread/dynamic.ts b/src/pools/thread/dynamic.ts index fddae466..04125854 100644 --- a/src/pools/thread/dynamic.ts +++ b/src/pools/thread/dynamic.ts @@ -1,4 +1,3 @@ -import type { JSONValue } from '../../utility-types' import type { PoolOptions } from '../abstract-pool' import type { ThreadWorkerWithMessageChannel } from './fixed' import { FixedThreadPool } from './fixed' @@ -9,63 +8,35 @@ import { FixedThreadPool } from './fixed' * This thread pool creates new threads when the others are busy, up to the maximum number of threads. * When the maximum number of threads is reached, an event is emitted. If you want to listen to this event, use the pool's `emitter`. * - * @template Data Type of data sent to the worker. - * @template Response Type of response of execution. + * @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. * * @author [Alessandro Pio Ardizio](https://github.com/pioardi) * @since 0.0.1 */ export class DynamicThreadPool< - Data extends JSONValue = JSONValue, - Response extends JSONValue = JSONValue + Data = unknown, + Response = unknown > extends FixedThreadPool { /** * Constructs a new poolifier dynamic thread pool. * * @param min Minimum number of threads which are always active. * @param max Maximum number of threads that can be created by this pool. - * @param filename Path to an implementation of a `ThreadWorker` file, which can be relative or absolute. - * @param opts Options for this fixed thread pool. Default: `{ maxTasks: 1000 }` + * @param filePath Path to an implementation of a `ThreadWorker` file, which can be relative or absolute. + * @param opts Options for this dynamic thread pool. Default: `{}` */ public constructor ( min: number, public readonly max: number, - filename: string, - opts: PoolOptions = { maxTasks: 1000 } + filePath: string, + opts: PoolOptions = {} ) { - super(min, filename, opts) + super(min, filePath, opts) } - /** - * Choose a thread for the next task. - * - * It will first check for and return an idle thread. - * If all threads are busy, then it will try to create a new one up to the `max` thread count. - * If the max thread count is reached, the emitter will emit a `FullPool` event and it will fall back to using a round robin algorithm to distribute the load. - * - * @returns Thread worker. - */ - protected chooseWorker (): ThreadWorkerWithMessageChannel { - for (const [worker, numberOfTasks] of this.tasks) { - if (numberOfTasks === 0) { - // A worker is free, use it - return worker - } - } - - if (this.workers.length === this.max) { - this.emitter.emit('FullPool') - return super.chooseWorker() - } - - // All workers are busy, create a new worker - const worker = this.createAndSetupWorker() - this.registerWorkerMessageListener(worker, message => { - if (message.kill) { - this.sendToWorker(worker, { kill: 1 }) - void this.destroyWorker(worker) - } - }) - return worker + /** @inheritdoc */ + public isDynamic (): boolean { + return true } }