The total count can not depend on query parameters. It is the total
count of all books that match the filter, regardless of offset and
pagesize.
-Matej
On Mon, Oct 19, 2009 at 4:16 PM, Linda van der Pal
<lvd...@heritageagenturen.nl> wrote:
> The trouble is that getting the books is dependent on the queryparam
> variable.
>
> Matej Knopp wrote:
>>
>> 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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