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/** * A class representation of the BSON DBRef type. * * @class * @param {string} namespace the collection name. * @param {ObjectID} oid the reference ObjectID. * @param {string} [db] optional db name, if omitted the reference is local to the current db. * @return {DBRef} */ function DBRef(namespace, oid, db) { if (!(this instanceof DBRef)) return new DBRef(namespace, oid, db); this._bsontype = 'DBRef'; this.namespace = namespace; this.oid = oid; this.db = db; } /** * @ignore * @api private */ DBRef.prototype.toJSON = function() { return { $ref: this.namespace, $id: this.oid, $db: this.db == null ? '' : this.db }; }; module.exports = DBRef; module.exports.DBRef = DBRef;