2 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
13 * or implied. See the License for the specific language governing
14 * permissions and limitations under the License.
17 export default class Graph {
23 this.nodes[node] = [];
27 return this.nodes.hasOwnProperty(node);
30 addEdge(firstNode, secondNode, payload) {
31 if (!this.hasNode(firstNode)) {
32 this.addNode(firstNode);
35 if (!this.hasNode(secondNode)) {
36 this.addNode(secondNode);
39 this.nodes[firstNode].push({ ...payload, target: secondNode });
43 return this.nodes[node];