Interface DomainEvent

src/main/java/com/rocketpt/server/common/DomainEvent.java:19–32

import java.time.LocalDateTime;

public interface DomainEvent {

    default int eventVersion() {
        return 1;
    }

    default LocalDateTime occurredOn() {
        return LocalDateTime.now();
    }

    default boolean needSave() {
        return false;
    }
}