| /* |
| * Copyright 2014-present Open Networking Laboratory |
| * |
| * 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. |
| */ |
| package org.onosproject.net.topology; |
| |
| /** |
| * Representation of an SCC (strongly-connected component) in a network topology. |
| */ |
| public interface TopologyCluster { |
| |
| /** |
| * Returns the cluster id. |
| * |
| * @return cluster identifier |
| */ |
| ClusterId id(); |
| |
| /** |
| * Returns the number of devices in the cluster. |
| * |
| * @return number of cluster devices |
| */ |
| int deviceCount(); |
| |
| /** |
| * Returns the number of infrastructure links in the cluster. |
| * |
| * @return number of cluster links |
| */ |
| int linkCount(); |
| |
| /** |
| * Returns the cluster root vertex. |
| * |
| * @return cluster root vertex |
| */ |
| TopologyVertex root(); |
| |
| } |