X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fselection-strategies%2Fleast-busy-worker-choice-strategy.ts;h=0e8fdef31f27cdad48ba105554296f50df07f386;hb=516dcb0df1957823ec30f15db5f7585a7a302e8f;hp=14aee44f97a090f5270fa23d41389e32f0c5ee8d;hpb=f59e102739e13698f278f1d9d58ab26ed8150442;p=poolifier.git

diff --git a/src/pools/selection-strategies/least-busy-worker-choice-strategy.ts b/src/pools/selection-strategies/least-busy-worker-choice-strategy.ts
index 14aee44f..0e8fdef3 100644
--- a/src/pools/selection-strategies/least-busy-worker-choice-strategy.ts
+++ b/src/pools/selection-strategies/least-busy-worker-choice-strategy.ts
@@ -60,24 +60,32 @@ export class LeastBusyWorkerChoiceStrategy<
   }
 
   /** @inheritDoc */
-  public choose (): number {
+  public choose (): number | undefined {
+    this.setPreviousWorkerNodeKey(this.nextWorkerNodeKey)
+    this.nextWorkerNodeKey = this.leastBusyNextWorkerNodeKey()
+    return this.nextWorkerNodeKey
+  }
+
+  /** @inheritDoc */
+  public remove (): boolean {
+    return true
+  }
+
+  private leastBusyNextWorkerNodeKey (): number | undefined {
+    let chosenWorkerNodeKey: number | undefined
     let minTime = Infinity
     for (const [workerNodeKey, workerNode] of this.pool.workerNodes.entries()) {
       const workerTime =
-        workerNode.usage.runTime.aggregate + workerNode.usage.waitTime.aggregate
+        (workerNode.usage.runTime?.aggregate ?? 0) +
+        (workerNode.usage.waitTime?.aggregate ?? 0)
       if (workerTime === 0) {
-        this.nextWorkerNodeId = workerNodeKey
+        chosenWorkerNodeKey = workerNodeKey
         break
       } else if (workerTime < minTime) {
         minTime = workerTime
-        this.nextWorkerNodeId = workerNodeKey
+        chosenWorkerNodeKey = workerNodeKey
       }
     }
-    return this.nextWorkerNodeId
-  }
-
-  /** @inheritDoc */
-  public remove (): boolean {
-    return true
+    return chosenWorkerNodeKey
   }
 }