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Documenation and improvements
[poolifier.git]
/
lib
/
dynamic.js
diff --git
a/lib/dynamic.js
b/lib/dynamic.js
index 53ff28fadf06c0fde0536edceb9358fef839510e..36db0c75673ed7a70d4fe5e6e634b2754c38529f 100644
(file)
--- a/
lib/dynamic.js
+++ b/
lib/dynamic.js
@@
-1,11
+1,12
@@
'use strict'
const FixedThreadPool = require('./fixed')
'use strict'
const FixedThreadPool = require('./fixed')
+const EventEmitter = require('events')
+class MyEmitter extends EventEmitter {}
/**
* A thread pool with a min/max number of threads , is possible to execute tasks in sync or async mode as you prefer. <br>
* This thread pool will create new workers when the other ones are busy, until the max number of threads,
/**
* A thread pool with a min/max number of threads , is possible to execute tasks in sync or async mode as you prefer. <br>
* This thread pool will create new workers when the other ones are busy, until the max number of threads,
- * when the max number of threads is reached, an exception will be thrown.
- * This pool will select the worker thread in a round robin fashion. <br>
+ * when the max number of threads is reached, an event will be emitted , if you want to listen this event use the emitter method.
* @author Alessandro Pio Ardizio
* @since 0.0.1
*/
* @author Alessandro Pio Ardizio
* @since 0.0.1
*/
@@
-14,11
+15,11
@@
class DynamicThreadPool extends FixedThreadPool {
*
* @param {Number} min Min number of threads that will be always active
* @param {Number} max Max number of threads that will be active
*
* @param {Number} min Min number of threads that will be always active
* @param {Number} max Max number of threads that will be active
- * @param {Object} an object with possible options for example maxConcurrency
*/
constructor (min, max, filename, opts) {
super(min, filename, opts)
this.max = max
*/
constructor (min, max, filename, opts) {
super(min, filename, opts)
this.max = max
+ this.emitter = new MyEmitter()
}
_chooseWorker () {
}
_chooseWorker () {
@@
-35,9
+36,9
@@
class DynamicThreadPool extends FixedThreadPool {
return worker
} else {
if (this.workers.length === this.max) {
return worker
} else {
if (this.workers.length === this.max) {
- throw new Error('Max number of threads reached !!!')
+ this.emitter.emit('FullPool')
+ return super._chooseWorker()
}
}
- // console.log('new thread is coming')
// all workers are busy create a new worker
const worker = this._newWorker()
worker.port2.on('message', (message) => {
// all workers are busy create a new worker
const worker = this._newWorker()
worker.port2.on('message', (message) => {