refactor: use Array.from to build Array() from Map()

[poolifier.git] / src / pools / selection-strategies / weighted-round-robin-worker-choice-strategy.ts

diff --git a/src/pools/selection-strategies/weighted-round-robin-worker-choice-strategy.ts b/src/pools/selection-strategies/weighted-round-robin-worker-choice-strategy.ts
index fea72350ffafbb50b44f9a56935f17038952ef91..6ce55c9a2554c0e951d67b503642f800205b9805 100644 (file)
--- a/src/pools/selection-strategies/weighted-round-robin-worker-choice-strategy.ts
+++ b/src/pools/selection-strategies/weighted-round-robin-worker-choice-strategy.ts
@@ -1,12 +1,12 @@
-import type { IWorker } from '../worker'
-import type { IPool } from '../pool'
-import { DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS } from '../../utils'
-import { AbstractWorkerChoiceStrategy } from './abstract-worker-choice-strategy'
+import type { IPool } from '../pool.js'
+import { DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS } from '../utils.js'
+import type { IWorker } from '../worker.js'
+import { AbstractWorkerChoiceStrategy } from './abstract-worker-choice-strategy.js'
 import type {
   IWorkerChoiceStrategy,
-  InternalWorkerChoiceStrategyOptions,
-  TaskStatisticsRequirements
-} from './selection-strategies-types'
+  TaskStatisticsRequirements,
+  WorkerChoiceStrategyOptions
+} from './selection-strategies-types.js'
 
 /**
  * Selects the next worker with a weighted round robin scheduling algorithm.
@@ -30,33 +30,32 @@ export class WeightedRoundRobinWorkerChoiceStrategy<
       average: true,
       median: false
     },
-    waitTime: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS,
+    waitTime: {
+      aggregate: true,
+      average: true,
+      median: false
+    },
     elu: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS
   }
 
   /**
-   * Default worker weight.
+   * Worker node virtual execution time.
    */
-  private readonly defaultWorkerWeight: number
-  /**
-   * Worker node virtual task runtime.
-   */
-  private workerNodeVirtualTaskRunTime: number = 0
+  private workerNodeVirtualTaskExecutionTime = 0
 
   /** @inheritDoc */
   public constructor (
     pool: IPool<Worker, Data, Response>,
-    opts: InternalWorkerChoiceStrategyOptions
+    opts?: WorkerChoiceStrategyOptions
   ) {
     super(pool, opts)
     this.setTaskStatisticsRequirements(this.opts)
-    this.defaultWorkerWeight = this.computeDefaultWorkerWeight()
   }
 
   /** @inheritDoc */
   public reset (): boolean {
     this.resetWorkerNodeKeyProperties()
-    this.workerNodeVirtualTaskRunTime = 0
+    this.workerNodeVirtualTaskExecutionTime = 0
     return true
   }
 
@@ -69,7 +68,7 @@ export class WeightedRoundRobinWorkerChoiceStrategy<
   public choose (): number | undefined {
     this.setPreviousWorkerNodeKey(this.nextWorkerNodeKey)
     this.weightedRoundRobinNextWorkerNodeKey()
-    this.checkNextWorkerNodeReadiness()
+    this.checkNextWorkerNodeKey()
     return this.nextWorkerNodeKey
   }
 
@@ -77,9 +76,10 @@ export class WeightedRoundRobinWorkerChoiceStrategy<
   public remove (workerNodeKey: number): boolean {
     if (this.pool.workerNodes.length === 0) {
       this.reset()
+      return true
     }
     if (this.nextWorkerNodeKey === workerNodeKey) {
-      this.workerNodeVirtualTaskRunTime = 0
+      this.workerNodeVirtualTaskExecutionTime = 0
       if (this.nextWorkerNodeKey > this.pool.workerNodes.length - 1) {
         this.nextWorkerNodeKey = this.pool.workerNodes.length - 1
       }
@@ -95,12 +95,13 @@ export class WeightedRoundRobinWorkerChoiceStrategy<
 
   private weightedRoundRobinNextWorkerNodeKey (): number | undefined {
     const workerWeight =
-      this.opts.weights?.[
-        this.nextWorkerNodeKey ?? this.previousWorkerNodeKey
-      ] ?? this.defaultWorkerWeight
-    if (this.workerNodeVirtualTaskRunTime < workerWeight) {
-      this.workerNodeVirtualTaskRunTime =
-        this.workerNodeVirtualTaskRunTime +
+      // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+      this.opts!.weights![this.nextWorkerNodeKey ?? this.previousWorkerNodeKey]
+    if (this.workerNodeVirtualTaskExecutionTime < workerWeight) {
+      this.workerNodeVirtualTaskExecutionTime +=
+        this.getWorkerNodeTaskWaitTime(
+          this.nextWorkerNodeKey ?? this.previousWorkerNodeKey
+        ) +
         this.getWorkerNodeTaskRunTime(
           this.nextWorkerNodeKey ?? this.previousWorkerNodeKey
         )
@@ -109,7 +110,7 @@ export class WeightedRoundRobinWorkerChoiceStrategy<
         this.nextWorkerNodeKey === this.pool.workerNodes.length - 1
           ? 0
           : (this.nextWorkerNodeKey ?? this.previousWorkerNodeKey) + 1
-      this.workerNodeVirtualTaskRunTime = 0
+      this.workerNodeVirtualTaskExecutionTime = 0
     }
     return this.nextWorkerNodeKey
   }