-import type { PoolOptions } from '../pool'
-import { PoolType } from '../pool-internal'
-import type { ThreadWorkerWithMessageChannel } from './fixed'
-import { FixedThreadPool } from './fixed'
+import { type PoolType, PoolTypes } from '../pool'
+import { checkDynamicPoolSize } from '../utils'
+import { FixedThreadPool, type ThreadPoolOptions } from './fixed'
/**
* A thread pool with a dynamic number of threads, but a guaranteed minimum number of threads.
*
* This thread pool creates new threads when the others are busy, up to the maximum number of threads.
- * When the maximum number of threads is reached, an event is emitted. If you want to listen to this event, use the pool's `emitter`.
+ * When the maximum number of threads is reached and workers are busy, an event is emitted. If you want to listen to this event, use the pool's `emitter`.
*
- * @template Data Type of data sent to the worker. This can only be serializable data.
- * @template Response Type of response of execution. This can only be serializable data.
+ * @typeParam Data - Type of data sent to the worker. This can only be structured-cloneable data.
+ * @typeParam Response - Type of execution response. This can only be structured-cloneable data.
* @author [Alessandro Pio Ardizio](https://github.com/pioardi)
* @since 0.0.1
*/
/**
* Constructs a new poolifier dynamic thread pool.
*
- * @param min Minimum number of threads which are always active.
- * @param max Maximum number of threads that can be created by this pool.
- * @param filePath Path to an implementation of a `ThreadWorker` file, which can be relative or absolute.
- * @param opts Options for this dynamic thread pool.
+ * @param min - Minimum number of threads which are always active.
+ * @param max - Maximum number of threads that can be created by this pool.
+ * @param filePath - Path to an implementation of a `ThreadWorker` file, which can be relative or absolute.
+ * @param opts - Options for this dynamic thread pool.
*/
public constructor (
min: number,
- public readonly max: number,
+ protected readonly max: number,
filePath: string,
- opts: PoolOptions<ThreadWorkerWithMessageChannel> = {}
+ opts: ThreadPoolOptions = {}
) {
super(min, filePath, opts)
+ checkDynamicPoolSize(this.numberOfWorkers, this.max)
}
/** @inheritDoc */
- public get type (): PoolType {
- return PoolType.DYNAMIC
+ protected get type (): PoolType {
+ return PoolTypes.dynamic
}
/** @inheritDoc */
- public get busy (): boolean {
- return this.workers.length === this.max
+ protected get busy (): boolean {
+ return this.full && this.internalBusy()
}
}