Madan Jampani | 1d3494e | 2014-11-20 11:24:22 -0800 | [diff] [blame^] | 1 | package org.onlab.onos.cluster; |
| 2 | |
| 3 | import java.util.Objects; |
| 4 | |
| 5 | import com.google.common.base.MoreObjects; |
| 6 | |
| 7 | /** |
| 8 | * Abstract leadership concept. |
| 9 | */ |
| 10 | public class Leadership { |
| 11 | |
| 12 | private final String topic; |
| 13 | private final ControllerNode leader; |
| 14 | private final long term; |
| 15 | |
| 16 | public Leadership(String topic, ControllerNode leader, long term) { |
| 17 | this.topic = topic; |
| 18 | this.leader = leader; |
| 19 | this.term = term; |
| 20 | } |
| 21 | |
| 22 | /** |
| 23 | * The topic for which this leadership applies. |
| 24 | * @return leadership topic. |
| 25 | */ |
| 26 | public String topic() { |
| 27 | return topic; |
| 28 | } |
| 29 | |
| 30 | /** |
| 31 | * The leader for this topic. |
| 32 | * @return leader node. |
| 33 | */ |
| 34 | public ControllerNode leader() { |
| 35 | return leader; |
| 36 | } |
| 37 | |
| 38 | /** |
| 39 | * The term number associated with this leadership. |
| 40 | * @return leadership term |
| 41 | */ |
| 42 | public long term() { |
| 43 | return term; |
| 44 | } |
| 45 | |
| 46 | @Override |
| 47 | public int hashCode() { |
| 48 | return Objects.hash(topic, leader, term); |
| 49 | } |
| 50 | |
| 51 | @Override |
| 52 | public String toString() { |
| 53 | return MoreObjects.toStringHelper(this.getClass()) |
| 54 | .add("topic", topic) |
| 55 | .add("leader", leader) |
| 56 | .add("term", term) |
| 57 | .toString(); |
| 58 | } |
| 59 | } |