public boolean isMember(Member member, boolean forceMaleFemale) {
switch (gender) {
case ANY:
if (forceMaleFemale) return false;
break;
case MALE:
if (member.isFemale()) return false;
break;
case FEMALE:
if (member.isMale()) return false;
break;
}
if (from > member.getBirthYear()) return false;
if (to < member.getBirthYear()) return false;
return true;
}
