code: public boolean isBroadcastTable(final String logicTableName) {
          for (String each : broadcastTables) {
              if (each.equalsIgnoreCase(logicTableName)) {
                  return true;
              }
          }
          return false;
      }
docs: Judge logic table is belong to broadcast tables.
  
  @param logicTableName logic table name
  @return logic table is belong to broadcast tables or not