@Override
  public boolean equals(Object obj) {
    // GemStone fix for 29125
    if (!(obj instanceof GMSMemberData)) {
      return false;
    }
    return compareTo((GMSMemberData) obj) == 0;
  }
return the jgroups logical address for this member, if it's been established
geode-membership/src/main/java/org/apache/geode/distributed/internal/membership/gms/GMSMemberData.java