/** Returns true if this contact has a group entity with name {@code name}. */
public boolean hasGroup(long id) {
for (GroupEntity entity : groups) {
if (entity.getId() == id) {
return true;
}
}
return false;
}
public WrongGroupTypeException(final GroupEntity group) {
super(
String.format(
"Group '%s' (ID %d) was not of the expected type", group.getName(), group.getId()));
}
