perf: alternate worker selection between start and end of worker nodes

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

diff --git a/src/pools/pool.ts b/src/pools/pool.ts
index 5c90ff77c8b3e62ea444bbb998f03ec53937dc1f..bf2ac2c251d3052169727dfd6c1bab1d031e7066 100644 (file)
--- a/src/pools/pool.ts
+++ b/src/pools/pool.ts
@@ -83,6 +83,8 @@ export interface PoolOptions<Worker extends IWorker> {
   exitHandler?: ExitHandler<Worker>
   /**
    * The worker choice strategy to use in this pool.
+   *
+   * @defaultValue WorkerChoiceStrategies.ROUND_ROBIN
    */
   workerChoiceStrategy?: WorkerChoiceStrategy
   /**
@@ -98,14 +100,11 @@ export interface PoolOptions<Worker extends IWorker> {
   /**
    * Pool worker tasks queue.
    *
-   * @experimental
    * @defaultValue false
    */
   enableTasksQueue?: boolean
   /**
    * Pool worker tasks queue options.
-   *
-   * @experimental
    */
   tasksQueueOptions?: TasksQueueOptions
 }
@@ -142,7 +141,7 @@ export interface IPool<
    */
   readonly emitter?: PoolEmitter
   /**
-   * Finds a free worker node key based on the number of tasks the worker has applied.
+   * Finds the first free worker node key based on the number of tasks the worker has applied.
    *
    * If a worker is found with `0` running tasks, it is detected as free and its worker node key is returned.
    *
@@ -152,12 +151,22 @@ export interface IPool<
    */
   findFreeWorkerNodeKey: () => number
   /**
-   * Performs the task specified in the constructor with the data parameter.
+   * Finds the last free worker node key based on the number of tasks the worker has applied.
+   *
+   * If a worker is found with `0` running tasks, it is detected as free and its worker node key is returned.
+   *
+   * If no free worker is found, `-1` is returned.
+   *
+   * @returns A worker node key if there is one, `-1` otherwise.
+   */
+  findLastFreeWorkerNodeKey: () => number
+  /**
+   * Executes the function specified in the worker constructor with the task data input parameter.
    *
-   * @param data - The input for the specified task. This can only be serializable data.
-   * @returns Promise that will be resolved when the task is successfully completed.
+   * @param data - The task input data for the specified worker function. This can only be serializable data.
+   * @returns Promise that will be fulfilled when the task is completed.
    */
-  execute: (data: Data) => Promise<Response>
+  execute: (data?: Data) => Promise<Response>
   /**
    * Shutdowns every current worker in this pool.
    */
@@ -166,6 +175,34 @@ export interface IPool<
    * Sets the worker choice strategy in this pool.
    *
    * @param workerChoiceStrategy - The worker choice strategy.
+   * @param workerChoiceStrategyOptions - The worker choice strategy options.
+   */
+  setWorkerChoiceStrategy: (
+    workerChoiceStrategy: WorkerChoiceStrategy,
+    workerChoiceStrategyOptions?: WorkerChoiceStrategyOptions
+  ) => void
+  /**
+   * Sets the worker choice strategy options in this pool.
+   *
+   * @param workerChoiceStrategyOptions - The worker choice strategy options.
+   */
+  setWorkerChoiceStrategyOptions: (
+    workerChoiceStrategyOptions: WorkerChoiceStrategyOptions
+  ) => void
+  /**
+   * Enables/disables the worker tasks queue in this pool.
+   *
+   * @param enable - Whether to enable or disable the worker tasks queue.
+   * @param tasksQueueOptions - The worker tasks queue options.
+   */
+  enableTasksQueue: (
+    enable: boolean,
+    tasksQueueOptions?: TasksQueueOptions
+  ) => void
+  /**
+   * Sets the worker tasks queue options in this pool.
+   *
+   * @param tasksQueueOptions - The worker tasks queue options.
    */
-  setWorkerChoiceStrategy: (workerChoiceStrategy: WorkerChoiceStrategy) => void
+  setTasksQueueOptions: (tasksQueueOptions: TasksQueueOptions) => void
 }