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bbeadd16 | 1 | import { DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS } from '../../utils' |
c4855468 | 2 | import { PoolType, type IPool } from '../pool' |
f06e48d8 | 3 | import type { IWorker } from '../worker' |
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4 | import type { |
5 | IWorkerChoiceStrategy, | |
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6 | RequiredStatistics, |
7 | WorkerChoiceStrategyOptions | |
10fcfaf4 | 8 | } from './selection-strategies-types' |
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9 | |
10 | /** | |
9cd39dd4 | 11 | * Worker choice strategy abstract base class. |
bdaf31cd | 12 | * |
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13 | * @typeParam Worker - Type of worker which manages the strategy. |
14 | * @typeParam Data - Type of data sent to the worker. This can only be serializable data. | |
02706357 | 15 | * @typeParam Response - Type of execution response. This can only be serializable data. |
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16 | */ |
17 | export abstract class AbstractWorkerChoiceStrategy< | |
f06e48d8 | 18 | Worker extends IWorker, |
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19 | Data = unknown, |
20 | Response = unknown | |
17393ac8 | 21 | > implements IWorkerChoiceStrategy { |
afc003b2 | 22 | /** @inheritDoc */ |
8b4d4500 | 23 | protected readonly isDynamicPool: boolean |
afc003b2 | 24 | /** @inheritDoc */ |
da309861 | 25 | public readonly requiredStatistics: RequiredStatistics = { |
c6bd2650 | 26 | runTime: false, |
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27 | avgRunTime: false, |
28 | medRunTime: false | |
10fcfaf4 | 29 | } |
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30 | |
31 | /** | |
6533c3e6 | 32 | * Constructs a worker choice strategy bound to the pool. |
bdaf31cd | 33 | * |
38e795c1 | 34 | * @param pool - The pool instance. |
da309861 | 35 | * @param opts - The worker choice strategy options. |
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36 | */ |
37 | public constructor ( | |
c4855468 | 38 | protected readonly pool: IPool<Worker, Data, Response>, |
a20f0ba5 | 39 | protected opts: WorkerChoiceStrategyOptions = DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS |
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40 | ) { |
41 | this.isDynamicPool = this.pool.type === PoolType.DYNAMIC | |
1086026a | 42 | this.choose.bind(this) |
b8f3418c | 43 | } |
bdaf31cd | 44 | |
2fc5cae3 | 45 | protected checkOptions (opts: WorkerChoiceStrategyOptions): void { |
f9f00b5f | 46 | if (this.requiredStatistics.avgRunTime && opts.medRunTime === true) { |
2fc5cae3 JB |
47 | this.requiredStatistics.avgRunTime = false |
48 | this.requiredStatistics.medRunTime = opts.medRunTime as boolean | |
da309861 | 49 | } |
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50 | if (this.requiredStatistics.medRunTime && opts.medRunTime === false) { |
51 | this.requiredStatistics.avgRunTime = true | |
52 | this.requiredStatistics.medRunTime = opts.medRunTime as boolean | |
53 | } | |
da309861 JB |
54 | } |
55 | ||
afc003b2 | 56 | /** @inheritDoc */ |
a6f7f1b4 | 57 | public abstract reset (): boolean |
ea7a90d3 | 58 | |
afc003b2 | 59 | /** @inheritDoc */ |
c923ce56 | 60 | public abstract choose (): number |
97a2abc3 | 61 | |
afc003b2 | 62 | /** @inheritDoc */ |
f06e48d8 | 63 | public abstract remove (workerNodeKey: number): boolean |
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64 | |
65 | /** @inheritDoc */ | |
66 | public setOptions (opts: WorkerChoiceStrategyOptions): void { | |
d01e4d67 | 67 | opts = opts ?? DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS |
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68 | this.checkOptions(opts) |
69 | this.opts = opts | |
70 | } | |
bdaf31cd | 71 | } |