feat: add worker choice strategies retry mechanism

[poolifier.git] / src / pools / abstract-pool.ts

diff --git a/src/pools/abstract-pool.ts b/src/pools/abstract-pool.ts
index 768114e4cafcce5249f04e448240f0e9eb7bc5c6..64fda2545627eec3fbcd3a7bdc3b7edd4ecb7ed2 100644 (file)
--- a/src/pools/abstract-pool.ts
+++ b/src/pools/abstract-pool.ts
@@ -204,9 +204,10 @@ export abstract class AbstractPool<
       this.opts.workerChoiceStrategy =
         opts.workerChoiceStrategy ?? WorkerChoiceStrategies.ROUND_ROBIN
       this.checkValidWorkerChoiceStrategy(this.opts.workerChoiceStrategy)
-      this.opts.workerChoiceStrategyOptions =
-        opts.workerChoiceStrategyOptions ??
-        DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS
+      this.opts.workerChoiceStrategyOptions = {
+        ...DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS,
+        ...opts.workerChoiceStrategyOptions
+      }
       this.checkValidWorkerChoiceStrategyOptions(
         this.opts.workerChoiceStrategyOptions
       )
@@ -244,6 +245,22 @@ export abstract class AbstractPool<
         'Invalid worker choice strategy options: must be a plain object'
       )
     }
+    if (
+      workerChoiceStrategyOptions.choiceRetries != null &&
+      !Number.isSafeInteger(workerChoiceStrategyOptions.choiceRetries)
+    ) {
+      throw new TypeError(
+        'Invalid worker choice strategy options: choice retries must be an integer'
+      )
+    }
+    if (
+      workerChoiceStrategyOptions.choiceRetries != null &&
+      workerChoiceStrategyOptions.choiceRetries <= 0
+    ) {
+      throw new RangeError(
+        `Invalid worker choice strategy options: choice retries '${workerChoiceStrategyOptions.choiceRetries}' must be greater than zero`
+      )
+    }
     if (
       workerChoiceStrategyOptions.weights != null &&
       Object.keys(workerChoiceStrategyOptions.weights).length !== this.maxSize
@@ -566,7 +583,10 @@ export abstract class AbstractPool<
     workerChoiceStrategyOptions: WorkerChoiceStrategyOptions
   ): void {
     this.checkValidWorkerChoiceStrategyOptions(workerChoiceStrategyOptions)
-    this.opts.workerChoiceStrategyOptions = workerChoiceStrategyOptions
+    this.opts.workerChoiceStrategyOptions = {
+      ...DEFAULT_WORKER_CHOICE_STRATEGY_OPTIONS,
+      ...workerChoiceStrategyOptions
+    }
     this.workerChoiceStrategyContext.setOptions(
       this.opts.workerChoiceStrategyOptions
     )