code: public boolean isOwnedBy(String possibleOwner) {
          boolean retval = false;
          if (this.owner != null) {
              retval = (this.owner.compareTo(possibleOwner) == 0);
          }
          return retval;
      }
docs: Convenience function for comparing possibleOwner against this.owner
  
  @param possibleOwner name to check
  @return true if possibleOwner is the same as this.owner, false otherwise