Pavlin Radoslavov | a6b754c | 2014-11-18 13:55:37 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2014 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onlab.onos.cluster; |
| 17 | |
| 18 | import org.onlab.onos.event.AbstractEvent; |
| 19 | |
| 20 | /** |
| 21 | * Describes leadership-related event. |
| 22 | */ |
| 23 | public class LeadershipEvent extends AbstractEvent<LeadershipEvent.Type, ControllerNode> { |
| 24 | |
| 25 | /** |
| 26 | * Type of leadership-related events. |
| 27 | */ |
| 28 | public enum Type { |
| 29 | /** |
| 30 | * Signifies that the leader has changed. The event subject is the |
| 31 | * new leader. |
| 32 | */ |
| 33 | LEADER_CHANGED |
| 34 | } |
| 35 | |
| 36 | /** |
| 37 | * Creates an event of a given type and for the specified instance and the |
| 38 | * current time. |
| 39 | * |
| 40 | * @param type leadership event type |
| 41 | * @param instance cluster device subject |
| 42 | */ |
| 43 | public LeadershipEvent(Type type, ControllerNode instance) { |
| 44 | super(type, instance); |
| 45 | } |
| 46 | |
| 47 | /** |
| 48 | * Creates an event of a given type and for the specified device and time. |
| 49 | * |
| 50 | * @param type device event type |
| 51 | * @param instance event device subject |
| 52 | * @param time occurrence time |
| 53 | */ |
| 54 | public LeadershipEvent(Type type, ControllerNode instance, long time) { |
| 55 | super(type, instance, time); |
| 56 | } |
| 57 | |
| 58 | } |