-import { buildInternalWorkerChoiceStrategyOptions } from '../../utils'
-import type { IPool } from '../pool'
-import type { IWorker } from '../worker'
-import { FairShareWorkerChoiceStrategy } from './fair-share-worker-choice-strategy'
-import { InterleavedWeightedRoundRobinWorkerChoiceStrategy } from './interleaved-weighted-round-robin-worker-choice-strategy'
-import { LeastBusyWorkerChoiceStrategy } from './least-busy-worker-choice-strategy'
-import { LeastUsedWorkerChoiceStrategy } from './least-used-worker-choice-strategy'
-import { LeastEluWorkerChoiceStrategy } from './least-elu-worker-choice-strategy'
-import { RoundRobinWorkerChoiceStrategy } from './round-robin-worker-choice-strategy'
+import type { IPool } from '../pool.js'
+import type { IWorker } from '../worker.js'
+import { getWorkerChoiceStrategyRetries } from '../../utils.js'
+import { FairShareWorkerChoiceStrategy } from './fair-share-worker-choice-strategy.js'
+import { InterleavedWeightedRoundRobinWorkerChoiceStrategy } from './interleaved-weighted-round-robin-worker-choice-strategy.js'
+import { LeastBusyWorkerChoiceStrategy } from './least-busy-worker-choice-strategy.js'
+import { LeastUsedWorkerChoiceStrategy } from './least-used-worker-choice-strategy.js'
+import { LeastEluWorkerChoiceStrategy } from './least-elu-worker-choice-strategy.js'
+import { RoundRobinWorkerChoiceStrategy } from './round-robin-worker-choice-strategy.js'
import type {
IWorkerChoiceStrategy,
- InternalWorkerChoiceStrategyOptions,
StrategyPolicy,
TaskStatisticsRequirements,
- WorkerChoiceStrategy
-} from './selection-strategies-types'
-import { WorkerChoiceStrategies } from './selection-strategies-types'
-import { WeightedRoundRobinWorkerChoiceStrategy } from './weighted-round-robin-worker-choice-strategy'
+ WorkerChoiceStrategy,
+ WorkerChoiceStrategyOptions
+} from './selection-strategies-types.js'
+import { WorkerChoiceStrategies } from './selection-strategies-types.js'
+import { WeightedRoundRobinWorkerChoiceStrategy } from './weighted-round-robin-worker-choice-strategy.js'
/**
* The worker choice strategy context.
Data = unknown,
Response = unknown
> {
+ /**
+ * The number of worker choice strategy execution retries.
+ */
+ public retriesCount: number
+
+ /**
+ * The worker choice strategy instances registered in the context.
+ */
private readonly workerChoiceStrategies: Map<
WorkerChoiceStrategy,
IWorkerChoiceStrategy
>
+ /**
+ * The maximum number of worker choice strategy execution retries.
+ */
+ private readonly retries: number
+
/**
* Worker choice strategy context constructor.
*
public constructor (
pool: IPool<Worker, Data, Response>,
private workerChoiceStrategy: WorkerChoiceStrategy = WorkerChoiceStrategies.ROUND_ROBIN,
- private opts?: InternalWorkerChoiceStrategyOptions
+ opts?: WorkerChoiceStrategyOptions
) {
- this.opts = buildInternalWorkerChoiceStrategyOptions(
- pool.info.maxSize,
- this.opts
- )
this.execute = this.execute.bind(this)
this.workerChoiceStrategies = new Map<
WorkerChoiceStrategy,
WorkerChoiceStrategies.ROUND_ROBIN,
new (RoundRobinWorkerChoiceStrategy.bind(this))<Worker, Data, Response>(
pool,
- this.opts
+ opts
)
],
[
WorkerChoiceStrategies.LEAST_USED,
new (LeastUsedWorkerChoiceStrategy.bind(this))<Worker, Data, Response>(
pool,
- this.opts
+ opts
)
],
[
WorkerChoiceStrategies.LEAST_BUSY,
new (LeastBusyWorkerChoiceStrategy.bind(this))<Worker, Data, Response>(
pool,
- this.opts
+ opts
)
],
[
WorkerChoiceStrategies.LEAST_ELU,
new (LeastEluWorkerChoiceStrategy.bind(this))<Worker, Data, Response>(
pool,
- this.opts
+ opts
)
],
[
WorkerChoiceStrategies.FAIR_SHARE,
new (FairShareWorkerChoiceStrategy.bind(this))<Worker, Data, Response>(
pool,
- this.opts
+ opts
)
],
[
Worker,
Data,
Response
- >(pool, this.opts)
+ >(pool, opts)
],
[
WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN,
Worker,
Data,
Response
- >(pool, this.opts)
+ >(pool, opts)
]
])
- this.setOptions(pool, this.opts)
+ this.retriesCount = 0
+ this.retries = getWorkerChoiceStrategyRetries(pool, opts)
}
/**
* @returns The strategy policy.
*/
public getStrategyPolicy (): StrategyPolicy {
- return (
- this.workerChoiceStrategies.get(
- this.workerChoiceStrategy
- ) as IWorkerChoiceStrategy
- ).strategyPolicy
+ // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+ return this.workerChoiceStrategies.get(this.workerChoiceStrategy)!
+ .strategyPolicy
}
/**
* @returns The task statistics requirements.
*/
public getTaskStatisticsRequirements (): TaskStatisticsRequirements {
- return (
- this.workerChoiceStrategies.get(
- this.workerChoiceStrategy
- ) as IWorkerChoiceStrategy
- ).taskStatisticsRequirements
+ // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+ return this.workerChoiceStrategies.get(this.workerChoiceStrategy)!
+ .taskStatisticsRequirements
}
/**
* @returns `true` if the update is successful, `false` otherwise.
*/
public update (workerNodeKey: number): boolean {
- return (
- this.workerChoiceStrategies.get(
- this.workerChoiceStrategy
- ) as IWorkerChoiceStrategy
- ).update(workerNodeKey)
+ // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+ return this.workerChoiceStrategies
+ .get(this.workerChoiceStrategy)!
+ .update(workerNodeKey)
}
/**
* Executes the worker choice strategy in the context algorithm.
*
* @returns The key of the worker node.
- * @throws {@link https://nodejs.org/api/errors.html#class-error} If after configured retries the worker node key is null or undefined.
+ * @throws {@link https://nodejs.org/api/errors.html#class-error} If after computed retries the worker node key is null or undefined.
*/
public execute (): number {
- const workerChoiceStrategy = this.workerChoiceStrategies.get(
- this.workerChoiceStrategy
- ) as IWorkerChoiceStrategy
- if (!workerChoiceStrategy.hasPoolWorkerNodesReady()) {
- return this.execute()
- }
- return this.executeStrategy(workerChoiceStrategy)
+ return this.executeStrategy(
+ // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+ this.workerChoiceStrategies.get(this.workerChoiceStrategy)!
+ )
}
/**
*
* @param workerChoiceStrategy - The worker choice strategy.
* @returns The key of the worker node.
- * @throws {@link https://nodejs.org/api/errors.html#class-error} If after configured retries the worker node key is null or undefined.
+ * @throws {@link https://nodejs.org/api/errors.html#class-error} If after computed retries the worker node key is null or undefined.
*/
private executeStrategy (workerChoiceStrategy: IWorkerChoiceStrategy): number {
let workerNodeKey: number | undefined
do {
workerNodeKey = workerChoiceStrategy.choose()
if (workerNodeKey == null && chooseCount > 0) {
- retriesCount++
+ ++retriesCount
+ ++this.retriesCount
}
chooseCount++
- } while (
- workerNodeKey == null &&
- retriesCount < (this.opts?.retries as number)
- )
+ } while (workerNodeKey == null && retriesCount < this.retries)
if (workerNodeKey == null) {
throw new Error(
`Worker node key chosen is null or undefined after ${retriesCount} retries`
* @returns `true` if the removal is successful, `false` otherwise.
*/
public remove (workerNodeKey: number): boolean {
- return (
- this.workerChoiceStrategies.get(
- this.workerChoiceStrategy
- ) as IWorkerChoiceStrategy
- ).remove(workerNodeKey)
+ // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+ return this.workerChoiceStrategies
+ .get(this.workerChoiceStrategy)!
+ .remove(workerNodeKey)
}
/**
* Sets the worker choice strategies in the context options.
*
- * @param pool - The pool instance.
* @param opts - The worker choice strategy options.
*/
- public setOptions (
- pool: IPool<Worker, Data, Response>,
- opts?: InternalWorkerChoiceStrategyOptions
- ): void {
- this.opts = buildInternalWorkerChoiceStrategyOptions(
- pool.info.maxSize,
- opts
- )
+ public setOptions (opts: WorkerChoiceStrategyOptions | undefined): void {
for (const workerChoiceStrategy of this.workerChoiceStrategies.values()) {
- workerChoiceStrategy.setOptions(this.opts)
+ workerChoiceStrategy.setOptions(opts)
}
}
}
repositories / poolifier.git / blobdiff