import {
type IWorker,
type IWorkerNode,
+ type StrategyData,
type WorkerInfo,
type WorkerNodeEventCallback,
type WorkerType,
/** @inheritdoc */
public usage: WorkerUsage
/** @inheritdoc */
+ public strategyData?: StrategyData
+ /** @inheritdoc */
public messageChannel?: MessageChannel
/** @inheritdoc */
public tasksQueueBackPressureSize: number
/** @inheritdoc */
public onEmptyQueue?: WorkerNodeEventCallback
private readonly tasksQueue: Deque<Task<Data>>
+ private onBackPressureStarted: boolean
private onEmptyQueueCount: number
private readonly taskFunctionsUsage: Map<string, WorkerUsage>
}
this.tasksQueueBackPressureSize = tasksQueueBackPressureSize
this.tasksQueue = new Deque<Task<Data>>()
+ this.onBackPressureStarted = false
this.onEmptyQueueCount = 0
this.taskFunctionsUsage = new Map<string, WorkerUsage>()
}
/** @inheritdoc */
public enqueueTask (task: Task<Data>): number {
const tasksQueueSize = this.tasksQueue.push(task)
- if (this.onBackPressure != null && this.hasBackPressure()) {
+ if (
+ this.onBackPressure != null &&
+ this.hasBackPressure() &&
+ !this.onBackPressureStarted
+ ) {
+ this.onBackPressureStarted = true
this.onBackPressure(this.info.id as number)
+ this.onBackPressureStarted = false
}
return tasksQueueSize
}
/** @inheritdoc */
public unshiftTask (task: Task<Data>): number {
const tasksQueueSize = this.tasksQueue.unshift(task)
- if (this.onBackPressure != null && this.hasBackPressure()) {
+ if (
+ this.onBackPressure != null &&
+ this.hasBackPressure() &&
+ !this.onBackPressureStarted
+ ) {
+ this.onBackPressureStarted = true
this.onBackPressure(this.info.id as number)
+ this.onBackPressureStarted = false
}
return tasksQueueSize
}
/** @inheritdoc */
public dequeueTask (): Task<Data> | undefined {
const task = this.tasksQueue.shift()
- if (this.onEmptyQueue != null && this.tasksQueue.size === 0) {
+ if (
+ this.onEmptyQueue != null &&
+ this.tasksQueue.size === 0 &&
+ this.onEmptyQueueCount === 0
+ ) {
this.startOnEmptyQueue().catch(EMPTY_FUNCTION)
}
return task
/** @inheritdoc */
public popTask (): Task<Data> | undefined {
const task = this.tasksQueue.pop()
- if (this.onEmptyQueue != null && this.tasksQueue.size === 0) {
+ if (
+ this.onEmptyQueue != null &&
+ this.tasksQueue.size === 0 &&
+ this.onEmptyQueueCount === 0
+ ) {
this.startOnEmptyQueue().catch(EMPTY_FUNCTION)
}
return task
/** @inheritdoc */
public getTaskFunctionWorkerUsage (name: string): WorkerUsage | undefined {
- if (!Array.isArray(this.info.taskFunctions)) {
+ if (!Array.isArray(this.info.taskFunctionNames)) {
throw new Error(
`Cannot get task function worker usage for task function name '${name}' when task function names list is not yet defined`
)
}
if (
- Array.isArray(this.info.taskFunctions) &&
- this.info.taskFunctions.length < 3
+ Array.isArray(this.info.taskFunctionNames) &&
+ this.info.taskFunctionNames.length < 3
) {
throw new Error(
`Cannot get task function worker usage for task function name '${name}' when task function names list has less than 3 elements`
)
}
if (name === DEFAULT_TASK_NAME) {
- name = this.info.taskFunctions[1]
+ name = this.info.taskFunctionNames[1]
}
if (!this.taskFunctionsUsage.has(name)) {
this.taskFunctionsUsage.set(name, this.initTaskFunctionWorkerUsage(name))
this.onEmptyQueueCount = 0
return
}
- (this.onEmptyQueue as WorkerNodeEventCallback)(this.info.id as number)
++this.onEmptyQueueCount
+ this.onEmptyQueue?.(this.info.id as number)
await sleep(exponentialDelay(this.onEmptyQueueCount))
await this.startOnEmptyQueue()
}
for (const task of this.tasksQueue) {
if (
(task.name === DEFAULT_TASK_NAME &&
- name === (this.info.taskFunctions as string[])[1]) ||
+ name === (this.info.taskFunctionNames as string[])[1]) ||
(task.name !== DEFAULT_TASK_NAME && name === task.name)
) {
++taskFunctionQueueSize