Extract selection strategies to classes (#176)

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

diff --git a/src/pools/thread/dynamic.ts b/src/pools/thread/dynamic.ts
index 3e74a4ea4b7fe053445f3c204104b13f28e43e65..fcf4b2ff4652b58b3050adbd46153d4b9ca2c10c 100644 (file)
--- a/src/pools/thread/dynamic.ts
+++ b/src/pools/thread/dynamic.ts
@@ -1,4 +1,3 @@
-import { isKillBehavior, KillBehaviors } from '../../worker/worker-options'
 import type { PoolOptions } from '../abstract-pool'
 import type { ThreadWorkerWithMessageChannel } from './fixed'
 import { FixedThreadPool } from './fixed'
@@ -36,40 +35,8 @@ export class DynamicThreadPool<
     super(min, filePath, opts)
   }
 
-  /**
-   * Choose a thread for the next task.
-   *
-   * It will first check for and return an idle thread.
-   * If all threads are busy, then it will try to create a new one up to the `max` thread count.
-   * If the max thread 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 Thread worker.
-   */
-  protected chooseWorker (): ThreadWorkerWithMessageChannel {
-    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
   }
 }