| 1 | import type { AbstractPoolWorker } from '../abstract-pool-worker' |
| 2 | |
| 3 | /** |
| 4 | * Enumeration of worker choice strategies. |
| 5 | */ |
| 6 | export const WorkerChoiceStrategies = Object.freeze({ |
| 7 | /** |
| 8 | * Round robin worker selection strategy. |
| 9 | */ |
| 10 | ROUND_ROBIN: 'ROUND_ROBIN', |
| 11 | /** |
| 12 | * Less recently used worker selection strategy. |
| 13 | */ |
| 14 | LESS_RECENTLY_USED: 'LESS_RECENTLY_USED' |
| 15 | } as const) |
| 16 | |
| 17 | /** |
| 18 | * Worker choice strategy. |
| 19 | */ |
| 20 | export type WorkerChoiceStrategy = keyof typeof WorkerChoiceStrategies |
| 21 | |
| 22 | /** |
| 23 | * Worker choice strategy interface. |
| 24 | * |
| 25 | * @template Worker Type of worker which manages the strategy. |
| 26 | */ |
| 27 | export interface IWorkerChoiceStrategy<Worker extends AbstractPoolWorker> { |
| 28 | /** |
| 29 | * Is the pool attached to the strategy dynamic?. |
| 30 | */ |
| 31 | isDynamicPool: boolean |
| 32 | /** |
| 33 | * Choose a worker in the pool. |
| 34 | */ |
| 35 | choose(): Worker |
| 36 | } |