refactor: use Array.from to build Array() from Map()
[poolifier.git] / src / pools / selection-strategies / weighted-round-robin-worker-choice-strategy.ts
index 4b7eac7a17d3f2f4963a21d3f7db429bc73a21b9..6ce55c9a2554c0e951d67b503642f800205b9805 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'
 
 /**
@@ -30,19 +30,23 @@ export class WeightedRoundRobinWorkerChoiceStrategy<
       average: true,
       median: false
     },
-    waitTime: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS,
+    waitTime: {
+      aggregate: true,
+      average: true,
+      median: false
+    },
     elu: DEFAULT_MEASUREMENT_STATISTICS_REQUIREMENTS
   }
 
   /**
-   * 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)
@@ -51,7 +55,7 @@ export class WeightedRoundRobinWorkerChoiceStrategy<
   /** @inheritDoc */
   public reset (): boolean {
     this.resetWorkerNodeKeyProperties()
-    this.workerNodeVirtualTaskRunTime = 0
+    this.workerNodeVirtualTaskExecutionTime = 0
     return true
   }
 
@@ -64,7 +68,7 @@ export class WeightedRoundRobinWorkerChoiceStrategy<
   public choose (): number | undefined {
     this.setPreviousWorkerNodeKey(this.nextWorkerNodeKey)
     this.weightedRoundRobinNextWorkerNodeKey()
-    this.checkNextWorkerNodeReadiness()
+    this.checkNextWorkerNodeKey()
     return this.nextWorkerNodeKey
   }
 
@@ -72,9 +76,10 @@ export class WeightedRoundRobinWorkerChoiceStrategy<
   public remove (workerNodeKey: number): boolean {
     if (this.pool.workerNodes.length === 0) {
       this.reset()
+      return true
     }
     if (this.nextWorkerNodeKey === workerNodeKey) {
-      this.workerNodeVirtualTaskRunTime = 0
+      this.workerNodeVirtualTaskExecutionTime = 0
       if (this.nextWorkerNodeKey > this.pool.workerNodes.length - 1) {
         this.nextWorkerNodeKey = this.pool.workerNodes.length - 1
       }
@@ -89,12 +94,14 @@ export class WeightedRoundRobinWorkerChoiceStrategy<
   }
 
   private weightedRoundRobinNextWorkerNodeKey (): number | undefined {
-    const workerWeight = this.opts.weights?.[
-      this.nextWorkerNodeKey ?? this.previousWorkerNodeKey
-    ] as number
-    if (this.workerNodeVirtualTaskRunTime < workerWeight) {
-      this.workerNodeVirtualTaskRunTime =
-        this.workerNodeVirtualTaskRunTime +
+    const workerWeight =
+      // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+      this.opts!.weights![this.nextWorkerNodeKey ?? this.previousWorkerNodeKey]
+    if (this.workerNodeVirtualTaskExecutionTime < workerWeight) {
+      this.workerNodeVirtualTaskExecutionTime +=
+        this.getWorkerNodeTaskWaitTime(
+          this.nextWorkerNodeKey ?? this.previousWorkerNodeKey
+        ) +
         this.getWorkerNodeTaskRunTime(
           this.nextWorkerNodeKey ?? this.previousWorkerNodeKey
         )
@@ -103,7 +110,7 @@ export class WeightedRoundRobinWorkerChoiceStrategy<
         this.nextWorkerNodeKey === this.pool.workerNodes.length - 1
           ? 0
           : (this.nextWorkerNodeKey ?? this.previousWorkerNodeKey) + 1
-      this.workerNodeVirtualTaskRunTime = 0
+      this.workerNodeVirtualTaskExecutionTime = 0
     }
     return this.nextWorkerNodeKey
   }