gns3-web-ui/src/app/cartography/datasources/nodes-datasource.ts

import { Injectable } from "@angular/core";

import { Node } from "../models/node";
import { DataSource } from "./datasource";


@Injectable()
export class NodesDataSource extends DataSource<Node> {
  protected getItemKey(node: Node) {
    return node.node_id;
  }
}