Fix WRR worker choice strategy implementation

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

diff --git a/src/pools/pool.ts b/src/pools/pool.ts
index f48d8843d9596f914f60ae1349ff258af7df4518..6f677da8ba64d695e5b4b82f904f4b21ef1c7208 100644 (file)
--- a/src/pools/pool.ts
+++ b/src/pools/pool.ts
@@ -1,3 +1,43 @@
+import type {
+  ErrorHandler,
+  ExitHandler,
+  MessageHandler,
+  OnlineHandler
+} from './pool-worker'
+import type { WorkerChoiceStrategy } from './selection-strategies/selection-strategies-types'
+
+/**
+ * Options for a poolifier pool.
+ */
+export interface PoolOptions<Worker> {
+  /**
+   * A function that will listen for message event on each worker.
+   */
+  messageHandler?: MessageHandler<Worker>
+  /**
+   * A function that will listen for error event on each worker.
+   */
+  errorHandler?: ErrorHandler<Worker>
+  /**
+   * A function that will listen for online event on each worker.
+   */
+  onlineHandler?: OnlineHandler<Worker>
+  /**
+   * A function that will listen for exit event on each worker.
+   */
+  exitHandler?: ExitHandler<Worker>
+  /**
+   * The work choice strategy to use in this pool.
+   */
+  workerChoiceStrategy?: WorkerChoiceStrategy
+  /**
+   * Pool events emission.
+   *
+   * @default true
+   */
+  enableEvents?: boolean
+}
+
 /**
  * Contract definition for a poolifier pool.
  *
@@ -13,7 +53,13 @@ export interface IPool<Data = unknown, Response = unknown> {
    */
   execute(data: Data): Promise<Response>
   /**
-   * Shut down every current worker in this pool.
+   * Shutdowns every current worker in this pool.
    */
   destroy(): Promise<void>
+  /**
+   * Set the worker choice strategy in this pool.
+   *
+   * @param workerChoiceStrategy The worker choice strategy.
+   */
+  setWorkerChoiceStrategy(workerChoiceStrategy: WorkerChoiceStrategy): void
 }