code: private XStream getXStreamObject()
      {
          if (xStream == null)
          {
              XStream stream = new XStream();
              stream.alias("clientProperties", ClientProperties.class);
              stream.alias("dataStore", ClientProperties.DataStore.class);
              stream.alias("schema", ClientProperties.DataStore.Schema.class);
              stream.alias("table", ClientProperties.DataStore.Schema.Table.class);
              stream.alias("dataCenter", ClientProperties.DataStore.Schema.DataCenter.class);
              stream.alias("connection", ClientProperties.DataStore.Connection.class);
              stream.alias("server", ClientProperties.DataStore.Connection.Server.class);
              return stream;
          }
          else
          {
              return xStream;
          }
      }
docs: get XStream Object.
  
  @return XStream object.