Type of data sent to the worker. This can only be structured-cloneable data.
Type of execution response. This can only be structured-cloneable data.
Constructs a new poolifier fixed cluster pool.
Number of workers for this pool.
Path to an implementation of a ClusterWorker file, which can be relative or absolute.
Options for this fixed cluster pool.
Optional Readonly emitterEmitter 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.'error': Emitted when an uncaught error occurs.'taskError': Emitted when an error occurs while executing a task.Protected Readonly filePath to the worker file.
Protected Readonly numberNumber of workers that this pool should manage.
Protected Readonly optsOptions for this fixed cluster pool.
Protected promiseThe 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.When we receive a message from the worker, we get a map entry with the promise resolve/reject bound to the message id.
Protected workerWorker choice strategy context referencing a worker choice algorithm implementation.
Readonly workerPool worker nodes.
Protected busyWhether the pool is busy or not.
The pool busyness boolean status.
Protected fullWhether the pool is full or not.
The pool filling boolean status.
Protected maxThe pool maximum size.
Protected minThe pool minimum size.
Private readyThe pool readiness boolean status.
Protected typeThe pool type.
If it is 'dynamic', it provides the max property.
Private utilizationThe approximate pool utilization.
The pool utilization.
Protected workerThe worker type.
Protected afterHook executed after the worker task execution. Can be overridden.
The worker node key.
The received message.
Protected afterProtected beforeHook executed before the worker task execution. Can be overridden.
The worker node key.
The task to execute.
Protected checkProtected createProtected createProtected createProtected destroyEnables/disables the worker tasks queue in this pool.
Whether to enable or disable the worker tasks queue.
Optional tasksQueueOptions: TasksQueueOptionsThe worker tasks queue options.
Executes 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.
Optional name: stringThe name of the worker function to execute. If not specified, the default worker function will be executed.
Promise that will be fulfilled when the task is completed.
Protected flushProtected getGets the worker information given its worker node key.
The worker node key.
The worker information.
Protected internalProtected isProtected registerRegisters a listener callback on the worker given its worker node key.
The worker node key.
The message listener callback.
Protected sendProtected sendSends a message to worker given its worker node key.
The worker node key.
The message.
Sets the worker tasks queue options in this pool.
The worker tasks queue options.
Sets the worker choice strategy in this pool.
The worker choice strategy.
Optional workerChoiceStrategyOptions: WorkerChoiceStrategyOptionsThe worker choice strategy options.
Sets the worker choice strategy options in this pool.
The worker choice strategy options.
Protected setupProtected workerThis method is the listener registered for each worker message.
The listener function to execute when a message is received from a worker.
This method is the listener registered for each worker message.
The listener function to execute when a message is received from a worker.
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A cluster pool with a fixed number of workers.
Author
Christopher Quadflieg
Since
2.0.0