n8n
Version:
n8n Workflow Automation Tool
60 lines • 2.31 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;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.WorkflowPublicationLifecycleLock = void 0;
const di_1 = require("@n8n/di");
let WorkflowPublicationLifecycleLock = class WorkflowPublicationLifecycleLock {
constructor() {
this.stateByWorkflowId = new Map();
}
isLocked(workflowId) {
return this.stateByWorkflowId.has(workflowId);
}
async runExclusive(workflowId, fn) {
await this.acquire(workflowId);
try {
return await fn();
}
finally {
this.release(workflowId);
}
}
getOrCreateState(workflowId) {
let state = this.stateByWorkflowId.get(workflowId);
if (!state) {
state = { locked: false, waiters: [] };
this.stateByWorkflowId.set(workflowId, state);
}
return state;
}
async acquire(workflowId) {
const state = this.getOrCreateState(workflowId);
if (!state.locked) {
state.locked = true;
return;
}
await new Promise((resolve) => state.waiters.push(resolve));
}
release(workflowId) {
const state = this.stateByWorkflowId.get(workflowId);
if (!state)
return;
const next = state.waiters.shift();
if (next) {
next();
}
else {
this.stateByWorkflowId.delete(workflowId);
}
}
};
exports.WorkflowPublicationLifecycleLock = WorkflowPublicationLifecycleLock;
exports.WorkflowPublicationLifecycleLock = WorkflowPublicationLifecycleLock = __decorate([
(0, di_1.Service)()
], WorkflowPublicationLifecycleLock);
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