fix: ensure worker choice is retried at least the pool max size
[poolifier.git] / src / pools / selection-strategies / round-robin-worker-choice-strategy.ts
index 7968e621d49df510c06ad2bd4899b56770b3b163..2d08cff20621ba564bb0b424c32a4bcd904f53bb 100644 (file)
@@ -1,10 +1,9 @@
-import { DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS } from '../../utils'
 import type { IPool } from '../pool'
 import type { IWorker } from '../worker'
 import { AbstractWorkerChoiceStrategy } from './abstract-worker-choice-strategy'
 import type {
   IWorkerChoiceStrategy,
-  WorkerChoiceStrategyOptions
+  InternalWorkerChoiceStrategyOptions
 } from './selection-strategies-types'
 
 /**
@@ -24,15 +23,14 @@ export class RoundRobinWorkerChoiceStrategy<
   /** @inheritDoc */
   public constructor (
     pool: IPool<Worker, Data, Response>,
-    opts: WorkerChoiceStrategyOptions = DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS
+    opts: InternalWorkerChoiceStrategyOptions
   ) {
     super(pool, opts)
-    this.setTaskStatisticsRequirements(this.opts)
   }
 
   /** @inheritDoc */
   public reset (): boolean {
-    this.nextWorkerNodeKey = 0
+    this.resetWorkerNodeKeyProperties()
     return true
   }
 
@@ -44,19 +42,28 @@ export class RoundRobinWorkerChoiceStrategy<
   /** @inheritDoc */
   public choose (): number | undefined {
     const chosenWorkerNodeKey = this.nextWorkerNodeKey
+    this.setPreviousWorkerNodeKey(chosenWorkerNodeKey)
     this.roundRobinNextWorkerNodeKey()
-    this.checkNextWorkerNodeEligibility(chosenWorkerNodeKey)
+    this.checkNextWorkerNodeReadiness()
     return chosenWorkerNodeKey
   }
 
   /** @inheritDoc */
   public remove (workerNodeKey: number): boolean {
-    if (this.nextWorkerNodeKey === workerNodeKey) {
-      if (this.pool.workerNodes.length === 0) {
-        this.nextWorkerNodeKey = 0
-      } else if (this.nextWorkerNodeKey > this.pool.workerNodes.length - 1) {
-        this.nextWorkerNodeKey = this.pool.workerNodes.length - 1
-      }
+    if (this.pool.workerNodes.length === 0) {
+      this.reset()
+    }
+    if (
+      this.nextWorkerNodeKey === workerNodeKey &&
+      this.nextWorkerNodeKey > this.pool.workerNodes.length - 1
+    ) {
+      this.nextWorkerNodeKey = this.pool.workerNodes.length - 1
+    }
+    if (
+      this.previousWorkerNodeKey === workerNodeKey &&
+      this.previousWorkerNodeKey > this.pool.workerNodes.length - 1
+    ) {
+      this.previousWorkerNodeKey = this.pool.workerNodes.length - 1
     }
     return true
   }