public messageChannel?: MessageChannel
/** @inheritdoc */
public usage: WorkerUsage
- private readonly tasksUsage: Map<string, WorkerUsage>
+ private readonly taskFunctionsUsage: Map<string, WorkerUsage>
private readonly tasksQueue: Queue<Task<Data>>
- private readonly tasksQueueBackPressureMaxSize: number
+ private readonly tasksQueueBackPressureSize: number
/**
* Constructs a new worker node.
* @param poolMaxSize - The pool maximum size.
*/
constructor (worker: Worker, workerType: WorkerType, poolMaxSize: number) {
+ if (worker == null) {
+ throw new Error('Cannot construct a worker node without a worker')
+ }
+ if (workerType == null) {
+ throw new Error('Cannot construct a worker node without a worker type')
+ }
+ if (poolMaxSize == null) {
+ throw new Error(
+ 'Cannot construct a worker node without a pool maximum size'
+ )
+ }
+ if (isNaN(poolMaxSize)) {
+ throw new Error(
+ 'Cannot construct a worker node with a NaN pool maximum size'
+ )
+ }
this.worker = worker
this.info = this.initWorkerInfo(worker, workerType)
if (workerType === WorkerTypes.thread) {
this.messageChannel = new MessageChannel()
}
this.usage = this.initWorkerUsage()
- this.tasksUsage = new Map<string, WorkerUsage>()
+ this.taskFunctionsUsage = new Map<string, WorkerUsage>()
this.tasksQueue = new Queue<Task<Data>>()
- this.tasksQueueBackPressureMaxSize = Math.pow(poolMaxSize, 2)
+ this.tasksQueueBackPressureSize = Math.pow(poolMaxSize, 2)
}
/** @inheritdoc */
/** @inheritdoc */
public hasBackPressure (): boolean {
- return this.tasksQueueSize() >= this.tasksQueueBackPressureMaxSize
+ return this.tasksQueue.size >= this.tasksQueueBackPressureSize
}
/** @inheritdoc */
public resetUsage (): void {
this.usage = this.initWorkerUsage()
- this.tasksUsage.clear()
+ this.taskFunctionsUsage.clear()
}
/** @inheritdoc */
}
/** @inheritdoc */
- public getTaskWorkerUsage (name: string): WorkerUsage | undefined {
+ public getTaskFunctionWorkerUsage (name: string): WorkerUsage | undefined {
if (!Array.isArray(this.info.taskFunctions)) {
throw new Error(
- `Cannot get task worker usage for task function name '${name}' when task function names list is not yet defined`
+ `Cannot get task function worker usage for task function name '${name}' when task function names list is not yet defined`
)
}
if (
- name === DEFAULT_TASK_NAME &&
Array.isArray(this.info.taskFunctions) &&
- this.info.taskFunctions.length > 1
+ this.info.taskFunctions.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]
}
- if (!this.tasksUsage.has(name)) {
- this.tasksUsage.set(name, this.initTaskWorkerUsage(name))
+ if (!this.taskFunctionsUsage.has(name)) {
+ this.taskFunctionsUsage.set(name, this.initTaskFunctionWorkerUsage(name))
}
- return this.tasksUsage.get(name)
+ return this.taskFunctionsUsage.get(name)
}
private initWorkerInfo (worker: Worker, workerType: WorkerType): WorkerInfo {
}
}
- private initTaskWorkerUsage (name: string): WorkerUsage {
+ private initTaskFunctionWorkerUsage (name: string): WorkerUsage {
const getTaskQueueSize = (): number => {
let taskQueueSize = 0
for (const task of this.tasksQueue) {