refactor: forEach -> for ... of on collections
[poolifier.git] / src / pools / selection-strategies / abstract-worker-choice-strategy.ts
index 2af13d631e2b77708729544787a575896b6c2e2e..c3fb28c4f1e162185f65e08029c886e8df826d99 100644 (file)
@@ -43,7 +43,7 @@ export abstract class AbstractWorkerChoiceStrategy<
     this.choose = this.choose.bind(this)
   }
 
-  protected checkOptions (opts: WorkerChoiceStrategyOptions): void {
+  protected setRequiredStatistics (opts: WorkerChoiceStrategyOptions): void {
     if (this.requiredStatistics.avgRunTime && opts.medRunTime === true) {
       this.requiredStatistics.avgRunTime = false
       this.requiredStatistics.medRunTime = opts.medRunTime as boolean
@@ -52,19 +52,14 @@ export abstract class AbstractWorkerChoiceStrategy<
       this.requiredStatistics.avgRunTime = true
       this.requiredStatistics.medRunTime = opts.medRunTime as boolean
     }
-    if (
-      opts.weights != null &&
-      Object.keys(opts.weights).length < this.pool.size
-    ) {
-      throw new Error(
-        'Worker choice strategy options must have a weight for each worker node.'
-      )
-    }
   }
 
   /** @inheritDoc */
   public abstract reset (): boolean
 
+  /** @inheritDoc */
+  public abstract update (workerNodeKey: number): boolean
+
   /** @inheritDoc */
   public abstract choose (): number
 
@@ -74,7 +69,7 @@ export abstract class AbstractWorkerChoiceStrategy<
   /** @inheritDoc */
   public setOptions (opts: WorkerChoiceStrategyOptions): void {
     opts = opts ?? DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS
-    this.checkOptions(opts)
+    this.setRequiredStatistics(opts)
     this.opts = opts
   }
 
@@ -103,7 +98,7 @@ export abstract class AbstractWorkerChoiceStrategy<
    */
   private findFirstFreeWorkerNodeKey (): number {
     return this.pool.workerNodes.findIndex(workerNode => {
-      return workerNode.tasksUsage?.running === 0
+      return workerNode.tasksUsage.running === 0
     })
   }
 
@@ -119,11 +114,15 @@ export abstract class AbstractWorkerChoiceStrategy<
   private findLastFreeWorkerNodeKey (): number {
     // It requires node >= 18.0.0:
     // return this.workerNodes.findLastIndex(workerNode => {
-    //   return workerNode.tasksUsage?.running === 0
+    //   return workerNode.tasksUsage.running === 0
     // })
-    for (let i = this.pool.workerNodes.length - 1; i >= 0; i--) {
-      if (this.pool.workerNodes[i].tasksUsage?.running === 0) {
-        return i
+    for (
+      let workerNodeKey = this.pool.workerNodes.length - 1;
+      workerNodeKey >= 0;
+      workerNodeKey--
+    ) {
+      if (this.pool.workerNodes[workerNodeKey].tasksUsage.running === 0) {
+        return workerNodeKey
       }
     }
     return -1