| /* |
| * Copyright 2016-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.ui.model.topo; |
| |
| import org.onosproject.cluster.NodeId; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Set; |
| import java.util.TreeSet; |
| |
| /** |
| * Represents the overall network topology. |
| */ |
| public class UiTopology extends UiElement { |
| |
| private static final String DEFAULT_TOPOLOGY_ID = "TOPOLOGY-0"; |
| |
| private static final Logger log = LoggerFactory.getLogger(UiTopology.class); |
| |
| private final UiCluster uiCluster = new UiCluster(); |
| private final Set<UiRegion> uiRegions = new TreeSet<>(); |
| |
| @Override |
| public String toString() { |
| return "Topology: " + uiCluster + ", " + uiRegions.size() + " regions"; |
| } |
| |
| /** |
| * Clears the topology state; that is, drops all regions, devices, hosts, |
| * links, and cluster members. |
| */ |
| public void clear() { |
| log.debug("clearing topology model"); |
| uiRegions.clear(); |
| uiCluster.clear(); |
| } |
| |
| /** |
| * Returns the cluster member with the given identifier, or null if no |
| * such member. |
| * |
| * @param id cluster node identifier |
| * @return the cluster member with that identifier |
| */ |
| public UiClusterMember findClusterMember(NodeId id) { |
| return uiCluster.find(id); |
| } |
| |
| /** |
| * Adds the given cluster member to the topology model. |
| * |
| * @param member cluster member to add |
| */ |
| public void add(UiClusterMember member) { |
| uiCluster.add(member); |
| } |
| |
| /** |
| * Removes the given cluster member from the topology model. |
| * |
| * @param member cluster member to remove |
| */ |
| public void remove(UiClusterMember member) { |
| uiCluster.remove(member); |
| } |
| |
| /** |
| * Returns the number of members in the cluster. |
| * |
| * @return number of cluster members |
| */ |
| public int clusterMemberCount() { |
| return uiCluster.size(); |
| } |
| |
| /** |
| * Returns the number of regions configured in the topology. |
| * |
| * @return number of regions |
| */ |
| public int regionCount() { |
| return uiRegions.size(); |
| } |
| |
| @Override |
| public String idAsString() { |
| return DEFAULT_TOPOLOGY_ID; |
| } |
| } |