X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=docs%2Fclasses%2FAbstractPool.html;h=dd00795b10401f16601b371247deeb36ccabdda3;hb=b667be1103b9362ae29d094de05f812468464d4f;hp=5383b56b85201d0e7769cab1c0586379afaa6d22;hpb=56960396878dec81e3ebeea5b76387efca8cc2dc;p=poolifier.git diff --git a/docs/classes/AbstractPool.html b/docs/classes/AbstractPool.html index 5383b56b..dd00795b 100644 --- a/docs/classes/AbstractPool.html +++ b/docs/classes/AbstractPool.html @@ -1,4 +1,4 @@ -AbstractPool | poolifier
+AbstractPool | poolifier - v2.6.8
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poolifier
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  • poolifier - v2.6.8
    @@ -17,35 +17,39 @@

    Class AbstractPool<Worker, Data, Response>Abstract

    Base class that implements some shared logic for all poolifier pools.

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    Type Parameters

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    Response = unknown

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    Type of execution response. This can only be structured-cloneable data.

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    Hierarchy

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  • FixedClusterPool
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  • FixedThreadPool
  • Implements

    @@ -53,225 +57,307 @@

    Constructors

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    Properties

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    Accessors

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    Methods

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    afterTaskExecutionHook -afterWorkerSetup -beforeTaskExecutionHook -checkAndEmitEvents -checkFilePath -checkNumberOfWorkers -checkPoolOptions -checkValidWorkerChoiceStrategy -chooseWorkerNode -createAndSetupWorker -createWorker -dequeueTask -destroy -destroyWorker -enqueueTask -execute -executeTask -findFreeWorkerNodeKey -flushTasksQueue -flushTasksQueueByWorker -getWorkerNodeKey -getWorkerTasksUsage -internalBusy -isMain -pushWorkerNode -registerWorkerMessageListener -removeWorkerNode -sendToWorker -setWorkerChoiceStrategy -setWorkerNode -setWorkerNodeTasksUsage -setupHook -tasksQueueSize -workerListener +

    Constructors

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      • Constructs a new poolifier pool.

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        Type Parameters

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          • -

            Worker extends IWorker<Worker>

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            Worker extends IWorker

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            Data = unknown

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            Data = unknown

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            Response = unknown

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        Response = unknown

      Parameters

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        numberOfWorkers: number
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        numberOfWorkers: number

        Number of workers that this pool should manage.

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      filePath: string
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      Path to the worker-file.

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      filePath: string
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      Path to the worker file.

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      opts: PoolOptions<Worker>
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      opts: PoolOptions<Worker>

      Options for the pool.

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    Returns AbstractPool<Worker, Data, Response>

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  • Defined in src/pools/abstract-pool.ts:96
  • Properties

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    emitter?: PoolEmitter
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    emitter?: PoolEmitter

    Emitter on which events can be listened to.

    Events that can currently be listened to:

    • 'full': Emitted when the pool is dynamic and full.
    • 'busy': Emitted when the pool is busy.
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    • 'error': Emitted when an uncaught error occurs.
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    • 'taskError': Emitted when an error occurs while executing a task.
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    filePath: string
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    Path to the worker-file.

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    numberOfWorkers: number
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  • Defined in src/pools/abstract-pool.ts:60
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    filePath: string
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    Path to the worker file.

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    numberOfWorkers: number

    Number of workers that this pool should manage.

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    opts: PoolOptions<Worker>
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  • Defined in src/pools/abstract-pool.ts:97
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    opts: PoolOptions<Worker>

    Options for the pool.

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    promiseResponseMap: Map<string, PromiseResponseWrapper<Worker, Response>> = ...
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  • Defined in src/pools/abstract-pool.ts:99
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    promiseResponseMap: Map<string, PromiseResponseWrapper<Worker, Response>> = ...

    The execution response promise map.

    • key: The message id of each submitted task.
    • value: An object that contains the worker, the execution response promise resolve and reject callbacks.

    When we receive a message from the worker, we get a map entry with the promise resolve/reject bound to the message id.

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    workerChoiceStrategyContext: WorkerChoiceStrategyContext<Worker, Data, Response>
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  • Defined in src/pools/abstract-pool.ts:70
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    startTimestamp: number
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    The start timestamp of the pool.

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    workerChoiceStrategyContext: WorkerChoiceStrategyContext<Worker, Data, Response>

    Worker choice strategy context referencing a worker choice algorithm implementation.

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    Default to a round robin algorithm.

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    workerNodes: WorkerNode<Worker, Data>[] = []
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  • Defined in src/pools/abstract-pool.ts:78
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    workerNodes: WorkerNode<Worker, Data>[] = []

    Pool worker nodes.

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  • Defined in src/pools/abstract-pool.ts:57
  • Accessors

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    • get full(): boolean
    • Whether the pool is full or not.

      The pool filling boolean status.

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      Returns boolean

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    • get maxSize(): number
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      Number of tasks running in the pool.

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      Pool maximum size.

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      Returns number

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    • get utilization(): number
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      Gets the approximate pool utilization.

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      Returns number

      The pool utilization.

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  • Defined in src/pools/abstract-pool.ts:417
  • Methods

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      • Hook executed after the worker task execution. Can be overridden.

        @@ -280,38 +366,43 @@ Can be overridden.

        Parameters

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          worker: Worker
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          worker: Worker

          The worker.

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        message: MessageValue<Response, unknown>
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        message: MessageValue<Response, unknown>

        The received message.

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      Returns void

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    Returns void

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      Function that can be hooked up when a worker has been newly created and moved to the pool worker nodes.

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      Can be used to update the maxListeners or binding the main-worker<->worker connection if not bind by default.

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      Function that can be hooked up when a worker has been newly created and moved to the pool worker nodes. +Can be overridden.

      Parameters

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        worker: Worker
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        worker: Worker

        The newly created worker.

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      Returns void

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    Returns void

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    • Hook executed before the worker task execution. Can be overridden.

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      Parameters

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        workerNodeKey: number
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        workerNodeKey: number

        The worker node key.

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      task: Task<Data>
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      The task to execute.

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    Returns void

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    • Parameters

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        filePath: string
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      numberOfWorkers: number

    Returns void

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    • Parameters

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        numberOfWorkers: number
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      opts: PoolOptions<Worker>

    Returns void

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    Returns void

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    • Defined in src/pools/abstract-pool.ts:227
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    • Parameters

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        workerChoiceStrategy: "ROUND_ROBIN" | "LESS_USED" | "LESS_BUSY" | "FAIR_SHARE" | "WEIGHTED_ROUND_ROBIN"
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      workerChoiceStrategy: "ROUND_ROBIN" | "LEAST_USED" | "LEAST_BUSY" | "LEAST_ELU" | "FAIR_SHARE" | "WEIGHTED_ROUND_ROBIN" | "INTERLEAVED_WEIGHTED_ROUND_ROBIN"

    Returns void

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    • Chooses a worker node for the next task.

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      The default uses a round robin algorithm to distribute the load.

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      The default worker choice strategy uses a round robin algorithm to distribute the tasks.

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      Returns number

      The worker node key

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      Returns

      [worker node key, worker node].

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      Creates a new dynamic worker and sets it up completely in the pool worker nodes.

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      Returns [number, WorkerNode<Worker, Data>]

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    • Creates a new worker and sets it up completely in the pool worker nodes.

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      Returns

      New, completely set up worker.

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      Returns Worker

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      Returns a newly created worker.

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      Creates a new worker.

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      Returns Worker

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    • Parameters

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        workerNodeKey: number
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      Returns undefined | Task<Data>

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    Returns undefined | Task<Data>

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      Shutdowns every current worker in this pool.

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      Terminates every current worker in this pool.

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      Returns Promise<void>

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      Shutdowns the given worker.

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      Terminates the given worker.

      Parameters

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        worker: Worker
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        worker: Worker

        A worker within workerNodes.

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      Returns void | Promise<void>

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    Returns void | Promise<void>

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      Enables/disables the worker tasks queue in this pool.

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      Parameters

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        workerNodeKey: number
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        enable: boolean
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        Whether to enable or disable the worker tasks queue.

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        task: Task<Data>
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      Optional tasksQueueOptions: TasksQueueOptions
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      The worker tasks queue options.

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    Returns void

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      Performs the task specified in the constructor with the data parameter.

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      Returns

      Promise that will be resolved when the task is successfully completed.

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      Executes the specified function in the worker constructor with the task data input parameter.

      Parameters

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        data: Data
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        The input for the specified task. This can only be serializable data.

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      Returns Promise<Response>

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      Optional name: string
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      The name of the worker function to execute. If not specified, the default worker function will be executed.

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    Returns Promise<Response>

    Promise that will be fulfilled when the task is completed.

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    • Parameters

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        workerNodeKey: number
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        workerNodeKey: number
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        task: Task<Data>
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      task: Task<Data>

    Returns void

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      Finds a free worker node key based on the number of tasks the worker has applied.

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      If a worker is found with 0 running tasks, it is detected as free and its worker node key is returned.

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      If no free worker is found, -1 is returned.

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      Returns

      A worker node key if there is one, -1 otherwise.

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      Returns number

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    • Parameters

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        workerNodeKey: number
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      Returns void

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    Returns WorkerInfo

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    • Parameters

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        worker: Worker
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      Returns void

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    Returns WorkerUsage

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      Gets the given worker its worker node key.

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      Get the worker given its id.

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      Parameters

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        workerId: number
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        The worker id.

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      Returns undefined | Worker

      The worker if found in the pool worker nodes, undefined otherwise.

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      Returns

      The worker node key if the worker is found in the pool worker nodes, -1 otherwise.

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    • +

      Gets the worker id.

      Parameters

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        worker: Worker
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        worker: Worker

        The worker.

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      Returns number

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    Returns undefined | number

    The worker id.

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      Gets the given worker its tasks usage in the pool.

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      Returns

      The worker tasks usage.

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      Gets the worker information.

      Parameters

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        worker: Worker
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        workerNodeKey: number
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        The worker node key.

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      Returns WorkerInfo

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      Gets the given worker its worker node key.

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      Parameters

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        worker: Worker

        The worker.

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      Returns undefined | TasksUsage

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    Returns number

    The worker node key if found in the pool worker nodes, -1 otherwise.

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      Whether worker nodes are executing at least one task.

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      Returns boolean

      Worker nodes busyness boolean status.

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    • Should return whether the worker is the main worker or not.

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      Returns boolean

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    • Pushes the given worker in the pool worker nodes.

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      Returns

      The worker nodes length.

      Parameters

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        worker: Worker
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        worker: Worker

        The worker.

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      Returns number

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    Returns number

    The worker nodes length.

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    • Registers a listener callback on the given worker.

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      Type Parameters

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          Message

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      Message

    Parameters

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      worker: Worker
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      worker: Worker

      The worker which should register a listener.

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  • -
    listener: ((message: MessageValue<Message, unknown>) => void)
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    listener: ((message) => void)

    The message listener callback.

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    Returns void

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    Returns void

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    Returns void

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    Returns void

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    Returns void

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    Returns number

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    Returns void

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  • Defined in src/pools/abstract-pool.ts:974
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    On This Page

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    On This Page

    +
  • constructor
  • +
  • emitter
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  • filePath
  • +
  • numberOfWorkers
  • +
  • opts
  • +
  • promiseResponseMap
  • +
  • startTimestamp
  • +
  • workerChoiceStrategyContext
  • +
  • workerNodes
  • +
  • busy
  • +
  • full
  • +
  • info
  • +
  • maxSize
  • +
  • minSize
  • +
  • type
  • +
  • utilization
  • +
  • worker
  • +
  • afterTaskExecutionHook
  • +
  • afterWorkerSetup
  • +
  • beforeTaskExecutionHook
  • +
  • buildTasksQueueOptions
  • +
  • checkAndEmitEvents
  • +
  • checkFilePath
  • +
  • checkNumberOfWorkers
  • +
  • checkPoolOptions
  • +
  • checkValidTasksQueueOptions
  • +
  • checkValidWorkerChoiceStrategy
  • +
  • checkValidWorkerChoiceStrategyOptions
  • +
  • chooseWorkerNode
  • +
  • createAndSetupDynamicWorker
  • +
  • createAndSetupWorker
  • +
  • createWorker
  • +
  • dequeueTask
  • +
  • destroy
  • +
  • destroyWorker
  • +
  • enableTasksQueue
  • +
  • enqueueTask
  • +
  • execute
  • +
  • executeTask
  • +
  • flushTasksQueue
  • +
  • flushTasksQueues
  • +
  • getInitialWorkerInfo
  • +
  • getInitialWorkerUsage
  • +
  • getWorkerById
  • +
  • getWorkerId
  • +
  • getWorkerInfo
  • +
  • getWorkerNodeKey
  • +
  • handleTaskExecutionResponse
  • +
  • handleWorkerStartedMessage
  • +
  • internalBusy
  • +
  • isMain
  • +
  • pushWorkerNode
  • +
  • redistributeQueuedTasks
  • +
  • registerWorkerMessageListener
  • +
  • removeWorkerNode
  • +
  • sendToWorker
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  • setTasksQueueOptions
  • +
  • setWorkerChoiceStrategy
  • +
  • setWorkerChoiceStrategyOptions
  • +
  • setWorkerNodeTasksUsage
  • +
  • setWorkerStatistics
  • +
  • setupHook
  • +
  • shallCreateDynamicWorker
  • +
  • tasksMaxQueueSize
  • +
  • tasksQueueSize
  • +
  • updateEluWorkerUsage
  • +
  • updateRunTimeWorkerUsage
  • +
  • updateTaskStatisticsWorkerUsage
  • +
  • updateWaitTimeWorkerUsage
  • +
  • workerListener
  • +
  • AbstractPool
  • +
  • AbstractWorker
  • +
  • CircularArray
  • +
  • ClusterWorker
  • +
  • DynamicClusterPool
  • +
  • DynamicThreadPool
  • +
  • FixedClusterPool
  • +
  • FixedThreadPool
  • +
  • PoolEmitter
  • +
  • Queue
  • +
  • ThreadWorker
  • +
  • WorkerChoiceStrategyContext
  • +
  • ClusterPoolOptions
  • +
  • EventLoopUtilizationMeasurementStatistics
  • +
  • IPool
  • +
  • IWorker
  • +
  • IWorkerChoiceStrategy
  • +
  • MeasurementOptions
  • +
  • MeasurementStatistics
  • +
  • MeasurementStatisticsRequirements
  • +
  • MessageValue
  • +
  • PoolInfo
  • +
  • PoolOptions
  • +
  • PromiseResponseWrapper
  • +
  • StrategyPolicy
  • +
  • Task
  • +
  • TaskError
  • +
  • TaskPerformance
  • +
  • TaskStatistics
  • +
  • TaskStatisticsRequirements
  • +
  • TasksQueueOptions
  • +
  • ThreadPoolOptions
  • +
  • WorkerChoiceStrategyOptions
  • +
  • WorkerInfo
  • +
  • WorkerNode
  • +
  • WorkerOptions
  • +
  • WorkerStatistics
  • +
  • WorkerUsage
  • +
  • ErrorHandler
  • +
  • ExitHandler
  • +
  • KillBehavior
  • +
  • Measurement
  • +
  • MessageHandler
  • +
  • OnlineHandler
  • +
  • PoolEvent
  • +
  • PoolType
  • +
  • TaskFunctions
  • +
  • WorkerAsyncFunction
  • +
  • WorkerChoiceStrategy
  • +
  • WorkerFunction
  • +
  • WorkerSyncFunction
  • +
  • WorkerType
  • +
  • KillBehaviors
  • +
  • Measurements
  • +
  • PoolEvents
  • +
  • PoolTypes
  • +
  • WorkerChoiceStrategies
  • +
  • WorkerTypes
  • +
  • availableParallelism
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