n8n
Version:
n8n Workflow Automation Tool
61 lines • 2.44 kB
JavaScript
;
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ConcurrencyQueue = void 0;
const typedi_1 = require("typedi");
const TypedEmitter_1 = require("../TypedEmitter");
let ConcurrencyQueue = class ConcurrencyQueue extends TypedEmitter_1.TypedEmitter {
constructor(capacity) {
super();
this.capacity = capacity;
this.queue = [];
}
async enqueue(executionId) {
this.capacity--;
this.debouncedEmit('concurrency-check', { capacity: this.capacity });
if (this.capacity < 0) {
this.emit('execution-throttled', { executionId });
return new Promise((resolve) => this.queue.push({ executionId, resolve }));
}
}
get currentCapacity() {
return this.capacity;
}
dequeue() {
this.capacity++;
this.resolveNext();
}
remove(executionId) {
const index = this.queue.findIndex((item) => item.executionId === executionId);
if (index > -1) {
this.queue.splice(index, 1);
this.capacity++;
this.resolveNext();
}
}
getAll() {
return new Set(this.queue.map((item) => item.executionId));
}
resolveNext() {
const item = this.queue.shift();
if (!item)
return;
const { resolve, executionId } = item;
this.emit('execution-released', executionId);
resolve();
}
};
exports.ConcurrencyQueue = ConcurrencyQueue;
exports.ConcurrencyQueue = ConcurrencyQueue = __decorate([
(0, typedi_1.Service)(),
__metadata("design:paramtypes", [Number])
], ConcurrencyQueue);
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