| /* |
| * 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 java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * Encapsulates the notion of the ONOS cluster. |
| */ |
| class UiCluster extends UiElement { |
| |
| private static final String DEFAULT_CLUSTER_ID = "CLUSTER-0"; |
| |
| private final List<UiClusterMember> members = new ArrayList<>(); |
| private final Map<NodeId, UiClusterMember> lookup = new HashMap<>(); |
| |
| @Override |
| public String toString() { |
| return String.valueOf(size()) + "-member cluster"; |
| } |
| |
| /** |
| * Removes all cluster members. |
| */ |
| void clear() { |
| members.clear(); |
| } |
| |
| /** |
| * Returns the cluster member with the given identifier, or null if no |
| * such member exists. |
| * |
| * @param id identifier of member to find |
| * @return corresponding member |
| */ |
| public UiClusterMember find(NodeId id) { |
| return lookup.get(id); |
| } |
| |
| /** |
| * Adds the given member to the cluster. |
| * |
| * @param member member to add |
| */ |
| public void add(UiClusterMember member) { |
| members.add(member); |
| lookup.put(member.id(), member); |
| } |
| |
| /** |
| * Removes the given member from the cluster. |
| * |
| * @param member member to remove |
| */ |
| public void remove(UiClusterMember member) { |
| members.remove(member); |
| lookup.remove(member.id()); |
| } |
| |
| /** |
| * Returns the number of members in the cluster. |
| * |
| * @return number of members |
| */ |
| public int size() { |
| return members.size(); |
| } |
| |
| @Override |
| public String idAsString() { |
| return DEFAULT_CLUSTER_ID; |
| } |
| } |