refactor: use Array.from to build Array() from Map()
[poolifier.git] / src / pools / selection-strategies / interleaved-weighted-round-robin-worker-choice-strategy.ts
index fe4b48833ee98459880878c91a82204cac8408f5..4048924c5f9e4b86e72c42697d06a15e271aa08b 100644 (file)
@@ -1,11 +1,11 @@
-import type { IWorker } from '../worker.js'
 import type { IPool } from '../pool.js'
-import { DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS } from '../../utils.js'
+import { DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS } from '../utils.js'
+import type { IWorker } from '../worker.js'
 import { AbstractWorkerChoiceStrategy } from './abstract-worker-choice-strategy.js'
 import type {
   IWorkerChoiceStrategy,
-  InternalWorkerChoiceStrategyOptions,
-  TaskStatisticsRequirements
+  TaskStatisticsRequirements,
+  WorkerChoiceStrategyOptions
 } from './selection-strategies-types.js'
 
 /**
@@ -29,14 +29,18 @@ export class InterleavedWeightedRoundRobinWorkerChoiceStrategy<
       average: true,
       median: false
     },
-    waitTime: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS,
+    waitTime: {
+      aggregate: true,
+      average: true,
+      median: false
+    },
     elu: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS
   }
 
   /**
    * Round id.
    */
-  private roundId: number = 0
+  private roundId = 0
   /**
    * Round weights.
    */
@@ -44,16 +48,16 @@ export class InterleavedWeightedRoundRobinWorkerChoiceStrategy<
   /**
    * Worker node id.
    */
-  private workerNodeId: number = 0
+  private workerNodeId = 0
   /**
-   * Worker node virtual task runtime.
+   * Worker node virtual execution time.
    */
-  private workerNodeVirtualTaskRunTime: number = 0
+  private workerNodeVirtualTaskExecutionTime = 0
 
   /** @inheritDoc */
   public constructor (
     pool: IPool<Worker, Data, Response>,
-    opts: InternalWorkerChoiceStrategyOptions
+    opts?: WorkerChoiceStrategyOptions
   ) {
     super(pool, opts)
     this.setTaskStatisticsRequirements(this.opts)
@@ -65,7 +69,7 @@ export class InterleavedWeightedRoundRobinWorkerChoiceStrategy<
     this.resetWorkerNodeKeyProperties()
     this.roundId = 0
     this.workerNodeId = 0
-    this.workerNodeVirtualTaskRunTime = 0
+    this.workerNodeVirtualTaskExecutionTime = 0
     return true
   }
 
@@ -90,19 +94,19 @@ export class InterleavedWeightedRoundRobinWorkerChoiceStrategy<
         this.workerNodeId = workerNodeKey
         if (
           this.workerNodeId !== this.nextWorkerNodeKey &&
-          this.workerNodeVirtualTaskRunTime !== 0
+          this.workerNodeVirtualTaskExecutionTime !== 0
         ) {
-          this.workerNodeVirtualTaskRunTime = 0
+          this.workerNodeVirtualTaskExecutionTime = 0
         }
         // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-        const workerWeight = this.opts.weights![workerNodeKey]!
+        const workerWeight = this.opts!.weights![workerNodeKey]
         if (
           this.isWorkerNodeReady(workerNodeKey) &&
           workerWeight >= this.roundWeights[roundIndex] &&
-          this.workerNodeVirtualTaskRunTime < workerWeight
+          this.workerNodeVirtualTaskExecutionTime < workerWeight
         ) {
-          this.workerNodeVirtualTaskRunTime =
-            this.workerNodeVirtualTaskRunTime +
+          this.workerNodeVirtualTaskExecutionTime +=
+            this.getWorkerNodeTaskWaitTime(workerNodeKey) +
             this.getWorkerNodeTaskRunTime(workerNodeKey)
           this.setPreviousWorkerNodeKey(this.nextWorkerNodeKey)
           this.nextWorkerNodeKey = workerNodeKey
@@ -114,7 +118,9 @@ export class InterleavedWeightedRoundRobinWorkerChoiceStrategy<
   }
 
   private interleavedWeightedRoundRobinNextWorkerNodeId (): void {
-    if (
+    if (this.pool.workerNodes.length === 0) {
+      this.workerNodeId = 0
+    } else if (
       this.roundId === this.roundWeights.length - 1 &&
       this.workerNodeId === this.pool.workerNodes.length - 1
     ) {
@@ -131,7 +137,10 @@ export class InterleavedWeightedRoundRobinWorkerChoiceStrategy<
   /** @inheritDoc */
   public remove (workerNodeKey: number): boolean {
     if (this.pool.workerNodes.length === 0) {
-      this.reset()
+      this.resetWorkerNodeKeyProperties()
+      this.workerNodeId = 0
+      this.workerNodeVirtualTaskExecutionTime = 0
+      return true
     }
     if (
       this.workerNodeId === workerNodeKey &&
@@ -149,7 +158,7 @@ export class InterleavedWeightedRoundRobinWorkerChoiceStrategy<
   }
 
   /** @inheritDoc */
-  public setOptions (opts: InternalWorkerChoiceStrategyOptions): void {
+  public setOptions (opts: WorkerChoiceStrategyOptions | undefined): void {
     super.setOptions(opts)
     this.roundWeights = this.getRoundWeights()
   }
@@ -158,7 +167,7 @@ export class InterleavedWeightedRoundRobinWorkerChoiceStrategy<
     return [
       ...new Set(
         // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-        Object.values(this.opts.weights!)
+        Object.values(this.opts!.weights!)
           .slice()
           .sort((a, b) => a - b)
       )