code: public String connectionsStatus() {
      StringBuilder connStatus = new StringBuilder();
      connStatus.append("Connection Status {");
      for (MemcachedNode node : locator.getAll()) {
        connStatus
          .append(" ")
          .append(node.getSocketAddress())
          .append(" active: ")
          .append(node.isActive())
          .append(", authed: ")
          .append(node.isAuthenticated())
          .append(MessageFormat.format(", last read: {0} ms ago",
            node.lastReadDelta()));
      }
      connStatus.append(" }");
      return connStatus.toString();
    }
docs: Construct a String containing information about all nodes and their state.
  
  @return a stringified representation of the connection status.