| /* |
| * Copyright 2015-present Open Networking Foundation |
| * |
| * 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.election.cli; |
| |
| import org.apache.karaf.shell.api.action.lifecycle.Service; |
| import org.onosproject.cluster.NodeId; |
| import org.apache.karaf.shell.api.action.Command; |
| import org.onosproject.cli.AbstractShellCommand; |
| import org.onosproject.cluster.LeadershipService; |
| |
| /** |
| * CLI command to get the current leader for the Election test application. |
| */ |
| @Service |
| @Command(scope = "onos", name = "election-test-leader", |
| description = "Get the current leader for the Election test application") |
| public class ElectionTestLeaderCommand extends AbstractShellCommand { |
| |
| private NodeId leader; |
| private static final String ELECTION_APP = "org.onosproject.election"; |
| |
| @Override |
| protected void doExecute() { |
| LeadershipService service = get(LeadershipService.class); |
| |
| //print the current leader |
| leader = service.getLeader(ELECTION_APP); |
| printLeader(leader); |
| } |
| |
| /** |
| * Prints the leader. |
| * |
| * @param leader the leader to print |
| */ |
| private void printLeader(NodeId leader) { |
| if (leader != null) { |
| print("The current leader for the Election app is %s.", leader); |
| } else { |
| print("There is currently no leader elected for the Election app"); |
| } |
| } |
| } |