Extract selection strategies to classes (#176)

[poolifier.git] / src / pools / cluster / dynamic.ts

diff --git a/src/pools/cluster/dynamic.ts b/src/pools/cluster/dynamic.ts
index 2a25f7b3c81eae02270259671dc1b8f8fa0a021b..5445bd03d4a4faf772610c3c966b4056231319de 100644 (file)
--- a/src/pools/cluster/dynamic.ts
+++ b/src/pools/cluster/dynamic.ts
@@ -1,5 +1,3 @@
-import type { Worker } from 'cluster'
-import { isKillBehavior, KillBehaviors } from '../../worker/worker-options'
 import type { ClusterPoolOptions } from './fixed'
 import { FixedClusterPool } from './fixed'
 
@@ -36,40 +34,8 @@ export class DynamicClusterPool<
     super(min, filePath, opts)
   }
 
-  /**
-   * Choose a worker for the next task.
-   *
-   * It will first check for and return an idle worker.
-   * If all workers are busy, then it will try to create a new one up to the `max` worker count.
-   * If the max worker count is reached, the emitter will emit a `FullPool` event and it will fall back to using a round robin algorithm to distribute the load.
-   *
-   * @returns Cluster worker.
-   */
-  protected chooseWorker (): Worker {
-    for (const [worker, numberOfTasks] of this.tasks) {
-      if (numberOfTasks === 0) {
-        // A worker is free, use it
-        return worker
-      }
-    }
-
-    if (this.workers.length === this.max) {
-      this.emitter.emit('FullPool')
-      return super.chooseWorker()
-    }
-
-    // All workers are busy, create a new worker
-    const workerCreated = this.createAndSetupWorker()
-    this.registerWorkerMessageListener<Data>(workerCreated, message => {
-      const tasksInProgress = this.tasks.get(workerCreated)
-      if (
-        isKillBehavior(KillBehaviors.HARD, message.kill) ||
-        tasksInProgress === 0
-      ) {
-        // Kill received from the worker, means that no new tasks are submitted to that worker for a while ( > maxInactiveTime)
-        void this.destroyWorker(workerCreated)
-      }
-    })
-    return workerCreated
+  /** @inheritdoc */
+  public isDynamic (): boolean {
+    return true
   }
 }