/// <summary>
/// Allocate ResultsPages
/// </summary>
/// <returns></returns>
public ResultsPages NewResultsPages(Query rootQuery)
{
ResultsPages pages = new ResultsPages();
pages.RootQuery = rootQuery;
return(pages);
}
/// <summary>
/// Remove any subqueries that have no views remaining
/// </summary>
/// <param name="q"></param>
public void RemoveSubqueriesWithNoViews(Query q)
{
int pi;
q.NormalizeQueryIds();
Dictionary <int, object> queryDict = new Dictionary <int, object>();
ResultsPages pages = q.ResultsPages;
foreach (ResultsPage rp in pages.Pages)
{
foreach (ResultsViewProps v in rp.Views)
{
queryDict[v.BaseQuery.InstanceId] = null;
}
}
int sqi = 0;
while (sqi < q.Subqueries.Count)
{
if (queryDict.ContainsKey(q.InstanceId))
{
sqi++;
}
else
{
q.Subqueries.RemoveAt(sqi);
}
}
return;
}
/// <summary>
/// Add a new page for the specified query
/// </summary>
/// <param name="query"></param>
/// <returns></returns>
public static ResultsPage AddNewPage(
Query query)
{
int max, intVal;
ResultsPages pages = query.Root.ResultsPages;
if (pages == null)
{
pages = new ResultsPages();
query.Root.ResultsPages = pages;
}
ResultsPage page = pages.AddNewPage();
return(page);
}
/// <summary>
/// Deserialize the results pages in a query
/// </summary>
/// <param name="tr"></param>
/// <returns></returns>
public static ResultsPages Deserialize(Query q, XmlTextReader tr)
{
ResultsPages pages = new ResultsPages();
pages.RootQuery = q;
if (!Lex.Eq(tr.Name, "ResultsPages"))
{
throw new Exception("ResultsPages element not found");
}
if (tr.IsEmptyElement)
{
return(pages); // no pages
}
while (true)
{
tr.Read(); tr.MoveToContent();
if (tr.NodeType == XmlNodeType.EndElement && Lex.Eq(tr.Name, "ResultsPages"))
{
break;
}
ResultsPage page = ResultsPage.Deserialize(q, tr);
if (pages.Pages.Count == 1 && Query.DeserializeTruncateToSingleResultsPage)
{
continue;
}
pages.AddPage(page);
}
return(pages);
}