Madan Jampani | 4c281cd | 2015-06-08 11:38:46 -0700 | [diff] [blame^] | 1 | package org.onosproject.store.service; |
| 2 | |
| 3 | import java.util.Set; |
| 4 | |
| 5 | /** |
| 6 | * A distributed collection designed for holding unique elements. |
| 7 | * |
| 8 | * @param <E> set entry type |
| 9 | */ |
| 10 | public interface DistributedSet<E> extends Set<E> { |
| 11 | |
| 12 | /** |
| 13 | * Registers the specified listener to be notified whenever |
| 14 | * the set is updated. |
| 15 | * |
| 16 | * @param listener listener to notify about set update events |
| 17 | */ |
| 18 | void addListener(SetEventListener<E> listener); |
| 19 | |
| 20 | /** |
| 21 | * Unregisters the specified listener. |
| 22 | * |
| 23 | * @param listener listener to unregister. |
| 24 | */ |
| 25 | void removeListener(SetEventListener<E> listener); |
| 26 | } |