X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;ds=sidebyside;f=docs%2Fclasses%2FDynamicThreadPool.html;h=f6495e279a204f5ba19c7dc378617f980e5bffea;hb=2a6631992868d900762f62e4c228dce4e4ee549a;hp=75da6d76187e524ab93943581bb7d79a573e2b97;hpb=7cd8af0033b35def46016a78ea9be1ee516480bf;p=poolifier.git diff --git a/docs/classes/DynamicThreadPool.html b/docs/classes/DynamicThreadPool.html index 75da6d76..76ccf9cf 100644 --- a/docs/classes/DynamicThreadPool.html +++ b/docs/classes/DynamicThreadPool.html @@ -1,4 +1,4 @@ -DynamicThreadPool | poolifier
+DynamicThreadPool | poolifier
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  • poolifier
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    A thread pool with a dynamic number of threads, but a guaranteed minimum number of threads.

    This thread pool creates new threads when the others are busy, up to the maximum number of threads. When the maximum number of threads is reached and workers are busy, an event is emitted. If you want to listen to this event, use the pool's emitter.

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    Author

    Alessandro Pio Ardizio

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    Author

    Alessandro Pio Ardizio

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    Since

    0.0.1

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    Since

    0.0.1

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    Type Parameters

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        Data = unknown

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        Type of data sent to the worker. This can only be serializable data.

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        Data = unknown

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        Type of data sent to the worker. This can only be structured-cloneable data.

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        Response = unknown

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        Type of response of execution. This can only be serializable data.

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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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  • Defined in src/pools/thread/dynamic.ts:15
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    Constructors

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      • Constructs a new poolifier dynamic thread pool.

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        Type Parameters

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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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        min: number
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        min: number

        Minimum number of threads which are always active.

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      max: number
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      max: number

      Maximum number of threads that can be created by this pool.

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    filePath: string
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    filePath: string

    Path to an implementation of a ThreadWorker file, which can be relative or absolute.

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    opts: PoolOptions<ThreadWorkerWithMessageChannel> = {}
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    opts: ThreadPoolOptions = {}

    Options for this dynamic thread pool.

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    Returns DynamicThreadPool<Data, Response>

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    Returns DynamicThreadPool<Data, Response>

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  • Defined in src/pools/thread/dynamic.ts:27
  • Properties

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    emitter?: PoolEmitter
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    Inherit Doc

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    max: number

    Maximum number of threads that can be created by this pool.

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    numberOfWorkers: number
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  • Defined in src/pools/thread/dynamic.ts:29
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    numberOfWorkers: number

    Number of workers that this pool should manage.

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    Options for the pool.

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    Options for this fixed thread pool.

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    promiseResponseMap: Map<string, PromiseResponseWrapper<ThreadWorkerWithMessageChannel, Response>> = ...
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    The promise response map.

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  • Defined in src/pools/thread/fixed.ts:51
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    promiseResponseMap: Map<string, PromiseResponseWrapper<Worker, Response>> = ...
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    The execution response promise map.

    • key: The message id of each submitted task.
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    • value: An object that contains the worker, the promise resolve and reject callbacks.
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    • value: An object that contains the worker, the execution response promise resolve and reject callbacks.
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    When we receive a message from the worker we get a map entry with the promise resolve/reject bound to the message.

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    workerChoiceStrategyContext: WorkerChoiceStrategyContext<ThreadWorkerWithMessageChannel, Data, Response>
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  • Defined in src/pools/abstract-pool.ts:68
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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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    workers: WorkerType<ThreadWorkerWithMessageChannel>[] = []
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    Inherit Doc

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    workerNodes: WorkerNode<Worker, Data>[] = []
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    Pool worker nodes.

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  • Defined in src/pools/abstract-pool.ts:55
  • Accessors

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

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      The pool filling boolean status.

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      Returns boolean

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    • get info(): PoolInfo
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      Number of tasks concurrently running in the pool.

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      Pool information.

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      Returns number

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    • get maxSize(): number
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      Inherit Doc

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      Returns PoolType

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    • get minSize(): number
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      Pool minimum size.

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      Returns number

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    • get runTime(): number
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      Gets the pool run time.

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      Returns number

      The pool run time in milliseconds.

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    • get type(): "fixed" | "dynamic"
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      Pool type.

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      If it is 'dynamic', it provides the max property.

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      Returns "fixed" | "dynamic"

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  • Defined in src/pools/thread/dynamic.ts:37
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    Methods

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    Returns void

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      Inherit Doc

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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.

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      Parameters

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      Returns void

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    Returns void

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    Returns void

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      Creates a new worker for this pool and sets it up completely.

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

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      Returns Worker

      New, completely set up dynamic worker.

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      Returns

      New, completely set up worker.

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      Inherit Doc

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      Terminates the given worker.

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      Parameters

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      Returns Promise<void>

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    Returns Promise<void>

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      Inherit Doc

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      Enables/disables the worker tasks queue in this pool.

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      Parameters

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

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

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      Parameters

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        data: 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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      Inherit Doc

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      Type Parameters

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        Message

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      Sends a message to the given worker.

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      Parameters

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        messageChannel: ThreadWorkerWithMessageChannel
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        listener: ((message: MessageValue<Message, unknown>) => void)
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            Parameters

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              worker: Worker
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              The worker which should receive the message.

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              message: MessageValue<Message, unknown>
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            Returns void

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    Returns void

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    Returns void

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      Inherit Doc

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      Sets the worker choice strategy in this pool.

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      Parameters

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        worker: ThreadWorkerWithMessageChannel
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        workerChoiceStrategy: "ROUND_ROBIN" | "LEAST_USED" | "LEAST_BUSY" | "LEAST_ELU" | "FAIR_SHARE" | "WEIGHTED_ROUND_ROBIN" | "INTERLEAVED_WEIGHTED_ROUND_ROBIN"
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        The worker choice strategy.

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        message: MessageValue<Data, unknown>
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      Returns void

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    Returns void

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    • Defined in src/pools/abstract-pool.ts:373
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      Inherit Doc

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      Sets the worker choice strategy options in this pool.

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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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      Returns void

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    Returns void

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      Setup hook that can be overridden by a Poolifier pool implementation -to run code before workers are created in the abstract constructor. -Can be overridden

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      Setup hook to execute code before worker nodes are created in the abstract constructor. +Can be overridden.

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      Returns void

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      This function is the listener registered for each worker.

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      Returns

      The listener function to execute when a message is received from a worker.

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      This function is the listener registered for each worker message.

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      Returns ((message: MessageValue<Response, unknown>) => void)

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      Returns ((message) => void)

      The listener function to execute when a message is received from a worker.

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          • (message): void
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            This function is the listener registered for each worker.

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            Returns

            The listener function to execute when a message is received from a worker.

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            This function is the listener registered for each worker message.

            Parameters

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              message: MessageValue<Response, unknown>
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            Returns void

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      Returns void

      The listener function to execute when a message is received from a worker.

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    On This Page

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  • constructor
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  • emitter
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  • filePath
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  • max
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  • numberOfWorkers
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  • opts
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  • promiseResponseMap
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  • workerChoiceStrategyContext
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  • workerNodes
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  • busy
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  • full
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  • info
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  • maxSize
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  • minSize
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  • runTime
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  • type
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  • utilization
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  • worker
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  • afterTaskExecutionHook
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  • afterWorkerSetup
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  • beforeTaskExecutionHook
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  • createAndSetupDynamicWorker
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  • createAndSetupWorker
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  • createWorker
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  • destroy
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  • destroyWorker
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  • enableTasksQueue
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  • execute
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  • internalBusy
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  • isMain
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  • sendToWorker
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  • setTasksQueueOptions
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  • setWorkerChoiceStrategy
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  • setWorkerChoiceStrategyOptions
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  • setupHook
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  • workerListener
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