X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fpool.ts;h=8a5e505f4f2d23909db36ef3d66e987eee9e9afd;hb=9cd39dd47830f0923cd3ebf53b709bf7fb07e788;hp=0c9b232f2bca650dc6f7aed065f15e6e0061a99d;hpb=c97c7edb14ea0699cd82bce5d0ffe50ae26af667;p=poolifier.git diff --git a/src/pools/pool.ts b/src/pools/pool.ts index 0c9b232f..8a5e505f 100644 --- a/src/pools/pool.ts +++ b/src/pools/pool.ts @@ -1,9 +1,79 @@ -export interface IPool< - // eslint-disable-next-line @typescript-eslint/no-explicit-any - Data = any, - // eslint-disable-next-line @typescript-eslint/no-explicit-any - Response = any -> { - destroy(): Promise - execute(data: Data): Promise +import EventEmitter from 'node:events' +import type { + ErrorHandler, + ExitHandler, + MessageHandler, + OnlineHandler +} from './pool-worker' +import type { WorkerChoiceStrategy } from './selection-strategies/selection-strategies-types' + +/** + * Pool events emitter. + */ +export class PoolEmitter extends EventEmitter {} + +/** + * Options for a poolifier pool. + */ +export interface PoolOptions { + /** + * A function that will listen for message event on each worker. + */ + messageHandler?: MessageHandler + /** + * A function that will listen for error event on each worker. + */ + errorHandler?: ErrorHandler + /** + * A function that will listen for online event on each worker. + */ + onlineHandler?: OnlineHandler + /** + * A function that will listen for exit event on each worker. + */ + exitHandler?: ExitHandler + /** + * The worker choice strategy to use in this pool. + */ + workerChoiceStrategy?: WorkerChoiceStrategy + /** + * Pool events emission. + * + * @defaultValue true + */ + enableEvents?: boolean +} + +/** + * Contract definition for a poolifier 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 interface IPool { + /** + * Emitter on which events can be listened to. + * + * Events that can currently be listened to: + * + * - `'busy'` + */ + readonly emitter?: PoolEmitter + /** + * Performs the task specified in the constructor with the data parameter. + * + * @param data - The input for the specified task. This can only be serializable data. + * @returns Promise that will be resolved when the task is successfully completed. + */ + execute: (data: Data) => Promise + /** + * Shutdowns every current worker in this pool. + */ + destroy: () => Promise + /** + * Sets the worker choice strategy in this pool. + * + * @param workerChoiceStrategy - The worker choice strategy. + */ + setWorkerChoiceStrategy: (workerChoiceStrategy: WorkerChoiceStrategy) => void }