*
* @return The friend Sones of this Sone
*/
- public Set<Sone> getFriendSones() {
+ public Set<Sone> getFriends() {
return Collections.unmodifiableSet(friendSones);
}
* @return {@code true} if this Sone has the given Sone as a friend,
* {@code false} otherwise
*/
- public boolean hasFriendSone(Sone friendSone) {
+ public boolean hasFriend(Sone friendSone) {
return friendSones.contains(friendSone);
}
* The friend Sone to add
* @return This Sone (for method chaining)
*/
- public synchronized Sone addFriendSone(Sone friendSone) {
- if (friendSones.add(friendSone)) {
+ public synchronized Sone addFriend(Sone friendSone) {
+ if (!friendSone.equals(this) && friendSones.add(friendSone)) {
modificationCounter++;
}
return this;
* The friend Sone to remove
* @return This Sone (for method chaining)
*/
- public synchronized Sone removeFriendSone(Sone friendSone) {
+ public synchronized Sone removeFriend(Sone friendSone) {
if (friendSones.remove(friendSone)) {
modificationCounter++;
}
*/
@Override
public int hashCode() {
- return id.hashCode();
+ return getId().hashCode();
}
/**
if (!(object instanceof Sone)) {
return false;
}
- return ((Sone) object).id.equals(id);
+ return ((Sone) object).id.equals(getId());
}
/**