X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fselection-strategies%2Fselection-strategies-types.ts;h=563b04b00086a7a31a68f7cb25ca4bde6b513c92;hb=43b84974f72aecd75b4b592e0009359bd5baf228;hp=0fbb4d4d43165737d3bd3c0c7378b2c55d7e03d2;hpb=4a59691c9f48b3a6602510aeece809e2a0fe14c1;p=poolifier.git

diff --git a/src/pools/selection-strategies/selection-strategies-types.ts b/src/pools/selection-strategies/selection-strategies-types.ts
index 0fbb4d4d..563b04b0 100644
--- a/src/pools/selection-strategies/selection-strategies-types.ts
+++ b/src/pools/selection-strategies/selection-strategies-types.ts
@@ -41,39 +41,63 @@ export const WorkerChoiceStrategies = Object.freeze({
  */
 export type WorkerChoiceStrategy = keyof typeof WorkerChoiceStrategies
 
+/**
+ * Enumeration of measurements.
+ */
+export const Measurements = Object.freeze({
+  runTime: 'runTime',
+  waitTime: 'waitTime',
+  elu: 'elu'
+} as const)
+
+/**
+ * Measurement.
+ */
+export type Measurement = keyof typeof Measurements
+
 /**
  * Measurement options.
  */
-interface MeasurementOptions {
+export interface MeasurementOptions {
   /**
    * Set measurement median.
    */
-  median: boolean
+  readonly median: boolean
 }
 
 /**
  * Worker choice strategy options.
  */
 export interface WorkerChoiceStrategyOptions {
+  /**
+   * Measurement to use for worker choice strategy.
+   */
+  readonly measurement?: Measurement
   /**
    * Runtime options.
    *
    * @defaultValue \{ median: false \}
    */
-  runTime?: MeasurementOptions
+  readonly runTime?: MeasurementOptions
   /**
    * Wait time options.
    *
    * @defaultValue \{ median: false \}
    */
-  waitTime?: MeasurementOptions
+  readonly waitTime?: MeasurementOptions
+  /**
+   * Event loop utilization options.
+   *
+   * @defaultValue \{ median: false \}
+   */
+  readonly elu?: MeasurementOptions
   /**
    * Worker weights to use for weighted round robin worker selection strategy.
    * Weight is the tasks maximum average or median runtime in milliseconds.
    *
    * @defaultValue Computed worker weights automatically given the CPU performance.
    */
-  weights?: Record<number, number>
+  readonly weights?: Record<number, number>
 }
 
 /**
@@ -81,17 +105,17 @@ export interface WorkerChoiceStrategyOptions {
  *
  * @internal
  */
-interface MeasurementStatisticsRequirements {
+export interface MeasurementStatisticsRequirements {
   /**
-   * Require measurement aggregate.
+   * Requires measurement aggregate.
    */
   aggregate: boolean
   /**
-   * Require measurement average.
+   * Requires measurement average.
    */
   average: boolean
   /**
-   * Require measurement median.
+   * Requires measurement median.
    */
   median: boolean
 }
@@ -105,21 +129,39 @@ export interface TaskStatisticsRequirements {
   /**
    * Tasks runtime requirements.
    */
-  runTime: MeasurementStatisticsRequirements
+  readonly runTime: MeasurementStatisticsRequirements
   /**
    * Tasks wait time requirements.
    */
-  waitTime: MeasurementStatisticsRequirements
+  readonly waitTime: MeasurementStatisticsRequirements
   /**
-   * Event loop utilization.
+   * Tasks event loop utilization requirements.
    */
-  elu: boolean
+  readonly elu: MeasurementStatisticsRequirements
+}
+
+/**
+ * Strategy policy.
+ *
+ * @internal
+ */
+export interface StrategyPolicy {
+  /**
+   * Expects direct usage of the newly created dynamic worker.
+   */
+  readonly useDynamicWorker: boolean
 }
 
 /**
  * Worker choice strategy interface.
+ *
+ * @internal
  */
 export interface IWorkerChoiceStrategy {
+  /**
+   * Strategy policy.
+   */
+  readonly strategyPolicy: StrategyPolicy
   /**
    * Tasks statistics requirements.
    */
@@ -129,30 +171,30 @@ export interface IWorkerChoiceStrategy {
    *
    * @returns `true` if the reset is successful, `false` otherwise.
    */
-  reset: () => boolean
+  readonly reset: () => boolean
   /**
    * Updates the worker node key strategy internals.
    *
    * @returns `true` if the update is successful, `false` otherwise.
    */
-  update: (workerNodeKey: number) => boolean
+  readonly update: (workerNodeKey: number) => boolean
   /**
    * Chooses a worker node in the pool and returns its key.
    *
    * @returns The worker node key.
    */
-  choose: () => number
+  readonly choose: () => number
   /**
    * Removes the worker node key from strategy internals.
    *
    * @param workerNodeKey - The worker node key.
    * @returns `true` if the worker node key is removed, `false` otherwise.
    */
-  remove: (workerNodeKey: number) => boolean
+  readonly remove: (workerNodeKey: number) => boolean
   /**
    * Sets the worker choice strategy options.
    *
    * @param opts - The worker choice strategy options.
    */
-  setOptions: (opts: WorkerChoiceStrategyOptions) => void
+  readonly setOptions: (opts: WorkerChoiceStrategyOptions) => void
 }