Merge dependabot/npm_and_yarn/examples/typescript/http-server-pool/express-worker_thr...

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

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 7a50db7b6387d5426dd4c4847482c5314f611b74..19dd3872c116723756fb146a4a57506b10523ab0 100644 (file)
--- a/src/pools/selection-strategies/round-robin-worker-choice-strategy.ts
+++ b/src/pools/selection-strategies/round-robin-worker-choice-strategy.ts
@@ -32,7 +32,7 @@ export class RoundRobinWorkerChoiceStrategy<
 
   /** @inheritDoc */
   public reset (): boolean {
-    this.nextWorkerNodeKey = 0
+    this.resetWorkerNodeKeyProperties()
     return true
   }
 
@@ -44,32 +44,38 @@ export class RoundRobinWorkerChoiceStrategy<
   /** @inheritDoc */
   public choose (): number | undefined {
     const chosenWorkerNodeKey = this.nextWorkerNodeKey
+    this.setPreviousWorkerNodeKey(chosenWorkerNodeKey)
     this.roundRobinNextWorkerNodeKey()
-    if (!this.isWorkerNodeEligible(this.nextWorkerNodeKey as number)) {
-      this.nextWorkerNodeKey = undefined
-      this.previousWorkerNodeKey =
-        chosenWorkerNodeKey ?? this.previousWorkerNodeKey
-    }
     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
   }
 
   private roundRobinNextWorkerNodeKey (): number | undefined {
-    this.nextWorkerNodeKey =
-      this.nextWorkerNodeKey === this.pool.workerNodes.length - 1
-        ? 0
-        : (this.nextWorkerNodeKey ?? this.previousWorkerNodeKey) + 1
+    do {
+      this.nextWorkerNodeKey =
+        this.nextWorkerNodeKey === this.pool.workerNodes.length - 1
+          ? 0
+          : (this.nextWorkerNodeKey ?? this.previousWorkerNodeKey) + 1
+    } while (!this.isWorkerNodeReady(this.nextWorkerNodeKey))
     return this.nextWorkerNodeKey
   }
 }