Examples of com.inmethod.grid.IDataSource.query()

com.inmethod.grid.IDataSource.query()
Implementation of this method should load subset of the data specified by query.getFrom() and query.getCount(). Also if the total item count can be determined, it should be passed to result. @param query Specified the amount and position of items to be queried @param result Allows to set the total item count and result items

      IDataSource dataSource = getDataSource();


      int oldItemCount = realItemCount;


      // query for items
      dataSource.query(wrapQuery(query), queryResult);


      // process the QueryResult
      queryResult.process(dataSource);


      // check for situation when we didn't get any items, but we know the real count

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        // try reloading the items
        queryResult = new QueryResult();
        query = new Query(queryResult);


        // query for items
        dataSource.query(query, queryResult);


        // process the QueryResult
        queryResult.process(dataSource);
      }
      else if (realItemCount == 0)

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