1 files changed, 45 insertions, 0 deletions
diff --git a/openecomp-ui/src/nfvo-utils/DirectedGraph.js b/openecomp-ui/src/nfvo-utils/DirectedGraph.js
new file mode 100644
index 0000000000..197625a013
--- /dev/null
+++ b/openecomp-ui/src/nfvo-utils/DirectedGraph.js
@@ -0,0 +1,45 @@
+/*!
+ * 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];
+	}
+}
+\ No newline at end of file