1 package se.citerus.dddsample.domain.shared;
2
3 /**
4 * A domain event is something that is unique, but does not have a lifecycle.
5 * The identity may be explicit, for example the sequence number of a payment,
6 * or it could be derived from various aspects of the event such as where, when and what
7 * has happened.
8 */
9 public interface DomainEvent<T> {
10
11 /**
12 * @param other The other domain event.
13 * @return <code>true</code> if the given domain event and this event are regarded as being the same event.
14 */
15 boolean sameEventAs(T other);
16
17 }