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