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Direktori : /home/opti/workflow/node_modules/sequelize/lib/dialects/mssql/ |
Current File : /home/opti/workflow/node_modules/sequelize/lib/dialects/mssql/resource-lock.js |
'use strict'; const Promise = require('../../promise'); function ResourceLock(resource) { this.resource = resource; this.previous = Promise.resolve(resource); } ResourceLock.prototype.unwrap = function() { return this.resource; }; ResourceLock.prototype.lock = function() { const lock = this.previous; let resolve; this.previous = new Promise(r => { resolve = r; }); return lock.disposer(resolve); }; module.exports = ResourceLock;