Path to the worker file.
-Options for the pool.
-Emitter on which events can be listened to.
Events that can currently be listened to:
'full': Emitted when the pool is dynamic and the number of workers created has reached the maximum size expected.'ready': Emitted when the number of workers created in the pool has reached the minimum size expected and are ready.'busy': Emitted when the number of workers created in the pool has reached the maximum size expected and are executing at least one task.'busy': Emitted when the number of workers created in the pool has reached the maximum size expected and are executing concurrently their tasks quota.'full': Emitted when the pool is dynamic and the number of workers created has reached the maximum size expected.'destroy': Emitted when the pool is destroyed.'error': Emitted when an uncaught error occurs.'taskError': Emitted when an error occurs while executing a task.'backPressure': Emitted when all worker nodes have back pressure (i.e. their tasks queue is full: queue size >= maximum queue size).Protected Readonly fileProtected Optional Readonly maxDynamic pool maximum size property placeholder.
+Protected Readonly numberProtected Readonly optsProtected promiseThe execution response promise map.
+ +The task 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.Private Readonly startPrivate startedWhether the pool is started or not.
+Private Readonly startingWhether the pool is starting or not.
+Protected workerReadonly workerReadonly Internal workerPool worker nodes.
Protected fullProtected Abstract maxProtected maxPool maximum size.
+The pool maximum size.
Protected Abstract minProtected minPool minimum size.
+The pool minimum size.
Private readyPrivate startingProtected Abstract typePool type.
+The pool type.
If it is 'dynamic', it provides the max property.
Private utilizationGets the approximate pool utilization.
+The approximate pool utilization.
The pool utilization.
+Protected Abstract workerGets the worker type.
+The worker type.
Private addAdds the given worker in the pool worker nodes.
+The worker.
+The added worker node key.
+ +https://nodejs.org/api/errors.html#class-error If the added worker node is not found.
+Protected afterHook executed after the worker task execution. Can be overridden.
@@ -382,39 +437,36 @@ Can be overridden.The worker.
-The worker node key.
+The received message.
-Protected afterProtected afterFunction that can be hooked up when a worker has been newly created and moved to the pool worker nodes. +
Method hooked up after a worker node has been newly created. Can be overridden.
The newly created worker.
-The newly created worker node key.
+Protected beforeThe worker node key.
-The task to execute.
-Private buildPrivate checkPrivate checkPrivate checkPrivate checkProtected checkPrivate checkPrivate checkChecks if the worker id sent in the received message from a worker is valid.
+https://nodejs.org/api/errors.html#class-error If the worker id is invalid.
+Private checkPrivate checkPrivate checkPrivate checkPrivate checkPrivate chooseChooses a worker node for the next task.
The default worker choice strategy uses a round robin algorithm to distribute the tasks.
The worker node key
+The chosen worker node key
Protected createProtected createCreates a new dynamic worker and sets it up completely in the pool worker nodes.
+Creates a new, completely set up dynamic worker node.
New, completely set up dynamic worker.
+New, completely set up dynamic worker node key.
-Protected createProtected createCreates a new worker and sets it up completely in the pool worker nodes.
+Creates a new, completely set up worker node.
New, completely set up worker.
+New, completely set up worker node key.
+Protected Abstract createPrivate dequeueTerminates every current worker in this pool.
+Terminates all workers in this pool.
Protected Abstract destroyProtected Abstract destroyTerminates the given worker.
+Terminates the worker node given its worker node key.
A worker within workerNodes.
The worker node key.
+Enables/disables the worker tasks queue in this pool.
+Enables/disables the worker node tasks queue in this pool.
Whether to enable or disable the worker tasks queue.
-Whether to enable or disable the worker node tasks queue.
+Optional tasksQueueOptions: TasksQueueOptionsThe worker tasks queue options.
-The worker node tasks queue options.
+Optional Private enqueueExecutes the specified function in the worker constructor with the task data input parameter.
Optional data: DataThe task input data for the specified worker function. This can only be structured-cloneable data.
-The optional task input data for the specified task function. This can only be structured-cloneable data.
+Optional Optional name: stringThe name of the worker function to execute. If not specified, the default worker function will be executed.
-The optional name of the task function to execute. If not specified, the default task function will be executed.
+Optional Optional transferList: TransferListItem[]An optional array of transferable objects to transfer ownership of. Ownership of the transferred objects is given to the pool's worker_threads worker and they should not be used in the main thread afterwards.
+Optional Promise that will be fulfilled when the task is completed.
Private executeExecutes the given task on the worker given its worker node key.
+The worker node key.
+Private flushProtected flushPrivate flushPrivate getProtected getGet the worker given its id.
+Gets the worker information given its worker node key.
The worker id.
-The worker if found in the pool worker nodes, undefined otherwise.
The worker node key.
+The worker information.
Private getPrivate getGets the worker information.
+Gets the given worker its worker node key.
The worker node key.
-The worker.
+The worker node key if found in the pool worker nodes, -1 otherwise.
Private getPrivate getGets the given worker its worker node key.
+Gets the worker node key given its worker id.
The worker.
-The worker node key if found in the pool worker nodes, -1 otherwise.
The worker id.
+The worker node key if the worker id is found in the pool worker nodes, -1 otherwise.
Private handlePrivate handlePrivate handlePrivate hasProtected internalWhether worker nodes are executing at least one task.
+Whether worker nodes are executing concurrently their tasks quota or not.
Worker nodes busyness boolean status.
+Protected Abstract isPrivate pushPushes the given worker in the pool worker nodes.
-The worker.
+Lists the names of task function available in this pool.
The worker nodes length.
+The names of task function available in this pool.
Private redistributePrivate registerProtected Abstract registerRegisters a listener callback on the given worker.
+Registers a listener callback on the worker given its worker node key.
The worker which should register a listener.
-The worker node key.
+The message listener callback.
Private removeThe worker.
+Protected sendProtected Abstract sendPrivate sendThe worker node key.
+Protected Abstract sendSends a message to the given worker.
+Sends a message to worker given its worker node key.
The worker which should receive the message.
-The worker node key.
+The message.
-Optional transferList: TransferListItem[]The optional array of transferable objects.
+Optional Sets the worker tasks queue options in this pool.
+Sets the worker node tasks queue options in this pool.
The worker tasks queue options.
-The worker node tasks queue options.
+Private setThe worker choice strategy.
-Optional workerChoiceStrategyOptions: WorkerChoiceStrategyOptionsThe worker choice strategy options.
-Optional
The worker choice strategy options.
-Private setProtected setupPrivate shallPrivate shallPrivate shallWhether the worker node shall update its task function worker usage or not.
+The worker node key.
+true if the worker node shall update its task function worker usage, false otherwise.
Private startPrivate taskPrivate tasksPrivate tasksPrivate updatePrivate updatePrivate updatePrivate updatePrivate updateProtected workerThis function is the listener registered for each worker message.
+This method is the listener registered for each worker message.
The listener function to execute when a message is received from a worker.
@@ -1175,7 +1400,7 @@ Can be overridden.This function is the listener registered for each worker message.
+This method is the listener registered for each worker message.
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Number of workers that this pool should manage.
-