private boolean fillTabularResultData(ArrayList<RegionMapping> mappings,
      TabularResultModel tableModel) {
    if (mappings == null) {
      return false;
    }
    for (RegionMapping mapping : mappings) {
      tableModel.accumulate(LIST_OF_MAPPINGS, mapping.getRegionName());
    }
    return !mappings.isEmpty();
  }
Returns true if any connections exist
geode-connectors/src/main/java/org/apache/geode/connectors/jdbc/internal/cli/ListMappingCommand.java