X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fselection-strategies%2Fround-robin-worker-choice-strategy.ts;h=2d08cff20621ba564bb0b424c32a4bcd904f53bb;hb=8b3fccaac505706915540210b9d123e1a12e79ab;hp=d2d6f6d6574a23b092da2323957b312deee13d4d;hpb=a20f0ba5aa9c6946254aa197286ad9b70b6a0319;p=poolifier.git

diff --git a/src/pools/selection-strategies/round-robin-worker-choice-strategy.ts b/src/pools/selection-strategies/round-robin-worker-choice-strategy.ts
index d2d6f6d6..2d08cff2 100644
--- a/src/pools/selection-strategies/round-robin-worker-choice-strategy.ts
+++ b/src/pools/selection-strategies/round-robin-worker-choice-strategy.ts
@@ -1,18 +1,17 @@
-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'
 
 /**
  * Selects the next worker in a round robin fashion.
  *
  * @typeParam Worker - Type of worker which manages the strategy.
- * @typeParam Data - Type of data sent to the worker. This can only be serializable data.
- * @typeParam Response - Type of execution response. This can only be serializable data.
+ * @typeParam Data - Type of data sent to the worker. This can only be structured-cloneable data.
+ * @typeParam Response - Type of execution response. This can only be structured-cloneable data.
  */
 export class RoundRobinWorkerChoiceStrategy<
     Worker extends IWorker,
@@ -21,48 +20,59 @@ export class RoundRobinWorkerChoiceStrategy<
   >
   extends AbstractWorkerChoiceStrategy<Worker, Data, Response>
   implements IWorkerChoiceStrategy {
-  /**
-   * Id of the next worker node.
-   */
-  private nextWorkerNodeId: number = 0
-
   /** @inheritDoc */
   public constructor (
     pool: IPool<Worker, Data, Response>,
-    opts: WorkerChoiceStrategyOptions = DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS
+    opts: InternalWorkerChoiceStrategyOptions
   ) {
     super(pool, opts)
-    this.checkOptions(this.opts)
   }
 
   /** @inheritDoc */
   public reset (): boolean {
-    this.nextWorkerNodeId = 0
+    this.resetWorkerNodeKeyProperties()
     return true
   }
 
   /** @inheritDoc */
-  public choose (): number {
-    const chosenWorkerNodeKey = this.nextWorkerNodeId
-    this.nextWorkerNodeId =
-      this.nextWorkerNodeId === this.pool.workerNodes.length - 1
-        ? 0
-        : this.nextWorkerNodeId + 1
+  public update (): boolean {
+    return true
+  }
+
+  /** @inheritDoc */
+  public choose (): number | undefined {
+    const chosenWorkerNodeKey = this.nextWorkerNodeKey
+    this.setPreviousWorkerNodeKey(chosenWorkerNodeKey)
+    this.roundRobinNextWorkerNodeKey()
+    this.checkNextWorkerNodeReadiness()
     return chosenWorkerNodeKey
   }
 
   /** @inheritDoc */
   public remove (workerNodeKey: number): boolean {
-    if (this.nextWorkerNodeId === workerNodeKey) {
-      if (this.pool.workerNodes.length === 0) {
-        this.nextWorkerNodeId = 0
-      } else {
-        this.nextWorkerNodeId =
-          this.nextWorkerNodeId > this.pool.workerNodes.length - 1
-            ? this.pool.workerNodes.length - 1
-            : this.nextWorkerNodeId
-      }
+    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
   }
+
+  private roundRobinNextWorkerNodeKey (): number | undefined {
+    this.nextWorkerNodeKey =
+      this.nextWorkerNodeKey === this.pool.workerNodes.length - 1
+        ? 0
+        : (this.nextWorkerNodeKey ?? this.previousWorkerNodeKey) + 1
+    return this.nextWorkerNodeKey
+  }
 }