Does it also happen when you call result.setTotalCount(books.size())
before calling getCount()?
>From IDataSource:
/**
* Sets the total items count. Alternatively, if the total item
count can't be determined,
* either {...@link #MORE_ITEMS} or {...@link #NO_MORE_ITEMS}
constant can
be used to indicate
* whether there are more items left or not.
*
* If the real items count is specified, it might affect the
result of
* {...@link IQuery#getCount()}, so it is preferred to call
this method
before calling
* {...@link #setItems(Iterator)}.
*
* @param count
* the total count of items
*/
public void setTotalCount(int count);
-Matej
On Mon, Oct 19, 2009 at 2:52 PM, Linda van der Pal
<lvd...@heritageagenturen.nl> wrote:
> Hello,
>
> I have a problem with the inmethod IDataSource. I've provided my own
> implementation for it, including implementing the query method. But for some
> reason, it only seems to want to return one row, while I know there should
> be two. Can anybody tell me what I might be doing wrong? It must be that
> I've made a stupid mistake somewhere, because I did get it working for two
> other kinds of data. I simply don't see what I did differently.
>
> Here's the query method. It's the initializing of the QueryParam variable
> that fails. When I add in the line that I've commented out just below it, I
> do get the two rows I'm expecting.
>
> public void query(final IQuery query, final IQueryResult result) {
> String sortProperty = null;
> boolean sortAsc = true;
> // is there any sorting
> if (query.getSortState().getColumns().size() > 0) {
> // get the most relevant column
> ISortStateColumn state = query.getSortState().getColumns().get(0);
> // get the column sort properties
> sortProperty = convertToFieldName(state.getPropertyName());
> sortAsc = state.getDirection() == IGridSortState.Direction.ASC;
> }
> List<Book> resultList;
> try {
> filter.setSort(sortProperty);
> filter.setSortOrder(sortAsc);
> // HERE'S MY PROBLEM: query.getCount() is 1 for some
> reason
> QueryParam qp = new QueryParam(query.getFrom(), query.getCount());
> //QueryParam qp = new QueryParam(0, 0);
> List<Book> books = new
> BookRetriever().getAllBooks(filter, qp);
> // determine the total count
> result.setTotalCount(books.size());
> resultList = books;
> } catch (Exception e) {
> resultList = new ArrayList<Book>();
> }
> result.setItems(resultList.iterator());
> }
>
> Regards,
> Linda
>
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