code: public boolean isCurrent() {
          BaasUser current = current();
          if (current == null) return false;
          Logger.debug("Current username is %s and mine is %s", current.username, username);
          return current.username.equals(username);
      }
docs: Checks if this user is the currently logged in user on this device.
  
  @return true if <code>this == BaasUser.current()</code>