tom | 1d416c5 | 2014-09-29 20:55:24 -0700 | [diff] [blame] | 1 | package org.onlab.onos.store.cluster.messaging; |
| 2 | |
Yuta HIGUCHI | 8a85138 | 2014-10-06 14:56:46 -0700 | [diff] [blame] | 3 | import static com.google.common.base.Preconditions.checkNotNull; |
| 4 | |
| 5 | import java.util.Objects; |
| 6 | |
tom | 1d416c5 | 2014-09-29 20:55:24 -0700 | [diff] [blame] | 7 | /** |
| 8 | * Representation of a message subject. |
Madan Jampani | 3b0dfd5 | 2014-10-02 16:48:13 -0700 | [diff] [blame] | 9 | * Cluster messages have associated subjects that dictate how they get handled |
| 10 | * on the receiving side. |
tom | 1d416c5 | 2014-09-29 20:55:24 -0700 | [diff] [blame] | 11 | */ |
Madan Jampani | 890bc35 | 2014-10-01 22:35:29 -0700 | [diff] [blame] | 12 | public class MessageSubject { |
tom | 1d416c5 | 2014-09-29 20:55:24 -0700 | [diff] [blame] | 13 | |
Madan Jampani | 890bc35 | 2014-10-01 22:35:29 -0700 | [diff] [blame] | 14 | private final String value; |
tom | 1d416c5 | 2014-09-29 20:55:24 -0700 | [diff] [blame] | 15 | |
Madan Jampani | 890bc35 | 2014-10-01 22:35:29 -0700 | [diff] [blame] | 16 | public MessageSubject(String value) { |
Yuta HIGUCHI | 8a85138 | 2014-10-06 14:56:46 -0700 | [diff] [blame] | 17 | this.value = checkNotNull(value); |
Madan Jampani | 890bc35 | 2014-10-01 22:35:29 -0700 | [diff] [blame] | 18 | } |
tom | 28e1fa2 | 2014-09-30 10:38:21 -0700 | [diff] [blame] | 19 | |
Madan Jampani | 890bc35 | 2014-10-01 22:35:29 -0700 | [diff] [blame] | 20 | public String value() { |
| 21 | return value; |
| 22 | } |
tom | d33e640 | 2014-09-30 03:14:43 -0700 | [diff] [blame] | 23 | |
Madan Jampani | 890bc35 | 2014-10-01 22:35:29 -0700 | [diff] [blame] | 24 | @Override |
| 25 | public String toString() { |
| 26 | return value; |
| 27 | } |
Yuta HIGUCHI | 8a85138 | 2014-10-06 14:56:46 -0700 | [diff] [blame] | 28 | |
| 29 | @Override |
| 30 | public int hashCode() { |
| 31 | return value.hashCode(); |
| 32 | } |
| 33 | |
| 34 | @Override |
| 35 | public boolean equals(Object obj) { |
| 36 | if (this == obj) { |
| 37 | return true; |
| 38 | } |
| 39 | if (obj == null) { |
| 40 | return false; |
| 41 | } |
| 42 | if (getClass() != obj.getClass()) { |
| 43 | return false; |
| 44 | } |
| 45 | MessageSubject that = (MessageSubject) obj; |
| 46 | return Objects.equals(this.value, that.value); |
| 47 | } |
Yuta HIGUCHI | 3cc1907 | 2014-10-07 17:33:23 -0700 | [diff] [blame] | 48 | |
| 49 | // for serializer |
| 50 | protected MessageSubject() { |
| 51 | this.value = ""; |
| 52 | } |
tom | 1d416c5 | 2014-09-29 20:55:24 -0700 | [diff] [blame] | 53 | } |