X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=docs%2Fclasses%2FFixedThreadPool.html;h=5384f9a72a45fa9b228a6e29c183d67ff45b1d3b;hb=019581cc38fe0b47645d9b2120f325ab37388be2;hp=93b36ac679bac48e2729dc165c2e6697ed121f6b;hpb=aac8863d208eadcb0ecb33dc44d045c26f5a444f;p=poolifier.git diff --git a/docs/classes/FixedThreadPool.html b/docs/classes/FixedThreadPool.html index 93b36ac6..5384f9a7 100644 --- a/docs/classes/FixedThreadPool.html +++ b/docs/classes/FixedThreadPool.html @@ -1,4 +1,4 @@ -
A thread pool with a fixed number of threads.
-It is possible to perform tasks in sync or asynchronous mode as you prefer.
Author
Alessandro Pio Ardizio
@@ -29,24 +28,24 @@Data = unknown
-Type of data sent to the worker. This can only be serializable data.
+Type of data sent to the worker. This can only be structured-cloneable data.
Response = unknown
-Type of execution response. This can only be serializable data.
+Type of execution response. This can only be structured-cloneable data.
Hierarchy
-- AbstractPool<ThreadWorkerWithMessageChannel, Data, Response>
+
- AbstractPool<Worker, Data, Response>
- FixedThreadPool
- DynamicThreadPool
@@ -73,24 +72,32 @@ info max Size
min Size
+ready
type
+utilization
worker
Methods
Properties
Emitter on which events can be listened to.
Events that can currently be listened to:
-
-
+
+
+
+- '
@@ -154,7 +163,7 @@ +'full'
: Emitted when the pool is dynamic and full.'busy'
: Emitted when the pool is busy.'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.'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.Protected
Readonly
fileProtected
Readonly
numberProtected
Readonly
opts Response Map
-Protected
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. Choice Strategy Context
-Protected
workerWorker choice strategy context referencing a worker choice algorithm implementation.
Nodes
-Readonly
workerPool worker nodes.
Accessors
Protected
full@@ -241,7 +250,7 @@
info
@@ -253,62 +262,87 @@
Protected
maxPool maximum size.
+The pool maximum size.
Returns number
+Protected
minPool minimum size.
+The pool minimum size.
Returns number
+
+Private
ready+- get ready(): boolean
+-
+
+
The pool readiness boolean status.
+Returns boolean
+Protected
typePool type.
+The pool type.
If it is
'dynamic'
, it provides themax
property.Returns "fixed" | "dynamic"
+
+Private
utilization+- get utilization(): number
+-
+
+
The approximate pool utilization.
+Returns number
The pool utilization.
+ +Protected
worker-- get worker(): "cluster" | "thread"
+- get worker(): "thread" | "cluster"
-
-
-- Defined in src/pools/thread/fixed.ts:127
Task Execution Hook
Gets the worker type.
+The worker type.
Returns "cluster" | "thread"
+Returns "thread" | "cluster"
+Methods
Protected
after-- after
Task Execution Hook(worker, message): void
+- after
Task Execution Hook(workerNodeKey, message): void
-
-
-
-
-
@@ -330,28 +364,28 @@ Can be overridden.
-
-
+
+
Hook executed after the worker task execution. Can be overridden.
@@ -317,12 +351,12 @@ Can be overridden.Parameters
worker: ThreadWorkerWithMessageChannel
-The worker.
+workerNodeKey: number
+The worker node key.
message: MessageValue<Response, unknown, Worker | MessagePort>
+message: MessageValue<Response, unknown>
The received message.
Worker Setup
-Protected
after-- after
Worker Setup(worker): void
+- Defined in src/pools/abstract-pool.ts:795
Worker Node Setup
+Protected
after+- after
Worker Node Setup(workerNodeKey): void
-
-
-
-
+- Defined in src/pools/abstract-pool.ts:1028
Task Execution Hook
-
-- Defined in src/pools/abstract-pool.ts:774
+
+ Dynamic Pool Size
Function that can be hooked up when a worker has been newly created and moved to the pool worker nodes.
-Can be used to update the
+maxListeners
or binding themain-worker
<->worker
connection if not bind by default.Method hooked up after a worker node has been newly created. +Can be overridden.
Parameters
worker: ThreadWorkerWithMessageChannel
-The newly created worker.
+workerNodeKey: number
+The newly created worker node key.
Returns void
Protected
before@@ -377,78 +411,94 @@ Can be overridden.
Worker Node
+Protected
chooseProtected
check-- choose
Worker Node(): number
+- check
Dynamic Pool Size(min, max): void
-
-
+
+
+
-
-- Defined in src/pools/abstract-pool.ts:975
+
+ And Setup Worker Node
Chooses a worker node for the next task.
-The default worker choice strategy uses a round robin algorithm to distribute the load.
+Parameters
++-
+
+-
+
min: number
max: number
Returns void
+ And Setup Dynamic Worker Node
+Protected
create+- create
And Setup Dynamic Worker Node(): number
+-
+
-
Creates a new, completely set up dynamic worker node.
Returns number
The worker node key
+Returns number
New, completely set up dynamic worker node key.
And Setup Worker
+Protected
createProtected
create-- create
And Setup Worker(): ThreadWorkerWithMessageChannel
+- create
And Setup Worker Node(): number
-
-
-- Defined in src/pools/abstract-pool.ts:935
Worker
Creates a new worker and sets it up completely in the pool worker nodes.
+Creates a new, completely set up worker node.
Returns ThreadWorkerWithMessageChannel
New, completely set up worker.
+Returns number
New, completely set up worker node key.
+Protected
create-- create
Worker(): ThreadWorkerWithMessageChannel
+- create
Worker(): Worker
-
-
-- Defined in src/pools/thread/fixed.ts:114
- destroy(): Promise<void>
-
-
-- Defined in src/pools/abstract-pool.ts:720
+
+ Worker Node
Returns a newly created worker.
+Creates a new worker.
Returns ThreadWorkerWithMessageChannel
+Returns Worker
Newly created worker.
+ +destroy
Shutdowns every current worker in this pool.
+Terminates all workers in this pool.
Returns Promise<void>
- Worker
+Protected
destroyProtected
destroy-- destroy
Worker(worker): Promise<void>
+- destroy
Worker Node(workerNodeKey): Promise<void>
-
-
-
-
+- Defined in src/pools/thread/fixed.ts:60
+- Defined in src/pools/abstract-pool.ts:580
+- Defined in src/pools/thread/fixed.ts:104
+
+
+
+
To Worker
\ No newline at end of file
Shutdowns the given worker.
+Terminates the worker node given its worker node key.
Parameters
worker: ThreadWorkerWithMessageChannel
-A worker within
+workerNodes
.workerNodeKey: number
+The worker node key.
Returns Promise<void>
enable Tasks Queue
@@ -473,11 +523,11 @@ Can be overridden.
execute
-- execute(data?, name?): Promise<Response>
+- execute(data?, name?, transferList?): Promise<Response>
-
@@ -486,12 +536,17 @@ Can be overridden.
-
-
+
+-
+
+- Defined in src/pools/abstract-pool.ts:661
+
+
+
+
Busy
- internal
Busy(): boolean
-
-
+- Defined in src/pools/abstract-pool.ts:631
Main
+- Defined in src/pools/thread/fixed.ts:55
+
+
Worker Message Listener
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 serializable data.
+The optional task input data for the specified task 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.
+The optional name of the task function to execute. If not specified, the default task function will be executed.
+
+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.
Returns Promise<Response>
Promise that will be fulfilled when the task is completed.
@@ -499,16 +554,55 @@ Can be overridden. Tasks Queue
+Protected
flush+- flush
Tasks Queue(workerNodeKey): void
+-
+
+
+
Parameters
++-
+
workerNodeKey: number
Returns void
Worker Info
+Protected
get+- get
Worker Info(workerNodeKey): WorkerInfo
+-
+
+
+
+
Gets the worker information given its worker node key.
+Parameters
++-
+
+
workerNodeKey: number
+The worker node key.
+Returns WorkerInfo
The worker information.
+ +Protected
internalReturns boolean
Protected
is@@ -520,13 +614,26 @@ Can be overridden.
Overrides AbstractPool.isMain
-- Defined in src/pools/thread/fixed.ts:65
list Task Functions
++- list
Task Functions(): string[]
+-
+
+
+
Lists the names of task function available in this pool.
+Returns string[]
The names of task function available in this pool.
+ +Inherited from AbstractPool.listTaskFunctions
++- Defined in src/pools/abstract-pool.ts:652
Protected
register-- register
Worker Message Listener<Message>(worker, listener): void
+- register
Worker Message Listener<Message>(workerNodeKey, listener): void
-
-
-
-
-
@@ -555,38 +662,79 @@ Can be overridden.
-
-
+
Registers a listener callback on the given worker.
+Registers a listener callback on the worker given its worker node key.
Type Parameters
@@ -537,8 +644,8 @@ Can be overridden.Parameters
worker: ThreadWorkerWithMessageChannel
-The worker which should register a listener.
+workerNodeKey: number
+The worker node key.
Parameters
message: MessageValue<Message, unknown, Worker | MessagePort>
message: MessageValue<Message, unknown>
Returns void
Returns void
Overrides AbstractPool.registerWorkerMessageListener
-- Defined in src/pools/thread/fixed.ts:86
Kill Message To Worker
+Protected
send+- send
Kill Message To Worker(workerNodeKey, workerId): Promise<void>
+-
+
+
+
+
Parameters
++-
+
+-
+
workerNodeKey: number
workerId: number
Returns Promise<void>
Inherited from AbstractPool.sendKillMessageToWorker
++- Defined in src/pools/abstract-pool.ts:729
Startup Message To Worker
+Protected
send+- send
Startup Message To Worker(workerNodeKey): void
+-
+
+
+
+
+
Sends the startup message to worker given its worker node key.
+Parameters
++-
+
+
workerNodeKey: number
+The worker node key.
+Returns void
+Overrides AbstractPool.sendStartupMessageToWorker
++- Defined in src/pools/thread/fixed.ts:88
Protected
send-- send
To Worker(worker, message): void
+- send
To Worker(workerNodeKey, message, transferList?): void
-
-
-
-
-
-
+
+-
+
+- Defined in src/pools/thread/fixed.ts:77
+- Defined in src/pools/abstract-pool.ts:592
+- Defined in src/pools/abstract-pool.ts:550
+- Defined in src/pools/abstract-pool.ts:569
Hook
- setup
Hook(): void
-
-
+- Defined in src/pools/abstract-pool.ts:758
Listener
- worker
Listener(): ((message) => void)
-
-
- (message): void
-
-
-
-
+
+ - Defined in src/pools/abstract-pool.ts:1111
@@ -725,21 +873,29 @@ Can be overridden
- info
- max
Size
- min
Size
+- ready
- type
+- utilization
- worker
- after
Task Execution Hook
-- after
Worker Setup
+- after
Worker Node Setup
- before
Task Execution Hook
-- choose
Worker Node
-- create
And Setup Worker
+- check
Dynamic Pool Size
+- create
And Setup Dynamic Worker Node
+- create
And Setup Worker Node
- create
Worker
- destroy
-- destroy
Worker
+- destroy
Worker Node
- enable
Tasks Queue
- execute
+- flush
Tasks Queue
+- get
Worker Info
- internal
Busy
- is
Main
+- list
Task Functions
- register
Worker Message Listener
+- send
Kill Message To Worker
+- send
Startup Message To Worker
- send
To Worker
- set
Tasks Queue Options
- set
Worker Choice Strategy
@@ -747,7 +903,7 @@ Can be overridden
- setup
Hook
- worker
Listener
-
+- Worker
Types
+- available
Parallelism
Sends a message to the given worker.
+Sends a message to worker given its worker node key.
Parameters
worker: ThreadWorkerWithMessageChannel
-The worker which should receive the message.
+workerNodeKey: number
+The worker node key.
message: MessageValue<Data, unknown, Worker | MessagePort>
+message: MessageValue<Data, unknown>
The message.
+Optional
transferList: TransferListItem[]The optional array of transferable objects.
+Returns void
Overrides AbstractPool.sendToWorker
-- Defined in src/pools/thread/fixed.ts:78
set Tasks Queue Options
@@ -606,7 +754,7 @@ Can be overridden.
Inherited from AbstractPool.setTasksQueueOptions
-- Defined in src/pools/abstract-pool.ts:348
set Worker Choice Strategy
@@ -631,7 +779,7 @@ Can be overridden.
Inherited from AbstractPool.setWorkerChoiceStrategy
-- Defined in src/pools/abstract-pool.ts:303
set Worker Choice Strategy Options
@@ -651,26 +799,26 @@ Can be overridden.
Inherited from AbstractPool.setWorkerChoiceStrategyOptions
-- Defined in src/pools/abstract-pool.ts:325
Protected
setupSetup hook to execute code before worker node are created in the abstract constructor. -Can be overridden
+Setup hook to execute code before worker nodes are created in the abstract constructor. +Can be overridden.
Returns void
Inherited from AbstractPool.setupHook
-- Defined in src/pools/abstract-pool.ts:449
Protected
workerThis function is the listener registered for each worker message.
+This method is the listener registered for each worker message.
Returns ((message) => void)
The listener function to execute when a message is received from a worker.
@@ -679,20 +827,20 @@ Can be overriddenThis function is the listener registered for each worker message.
+This method is the listener registered for each worker message.
Parameters
message: MessageValue<Response, unknown, Worker | MessagePort>
message: MessageValue<Response, unknown>
Returns void
The listener function to execute when a message is received from a worker.
Inherited from AbstractPool.workerListener
-- Defined in src/pools/abstract-pool.ts:716
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