public Uri GetNextPageLinkNavigation(Db.IOeDbEnumerator dbEnumerator, int readCount, long?totalCount, Object value)
{
OeEntryFactory entryFactory = dbEnumerator.EntryFactory;
ExpandedNavigationSelectItem navigationSelectItem = entryFactory.NavigationSelectItem;
if (navigationSelectItem.GetPageSize() == 0 || readCount == 0 || (totalCount != null && readCount >= totalCount))
{
return(null);
}
OrderByClause orderByClause = OeSkipTokenParser.GetUniqueOrderBy(entryFactory.EntitySet, navigationSelectItem.OrderByOption, null);
KeyValuePair <String, Object>[] keys = GetNavigationSkipTokenKeys(entryFactory, orderByClause, value);
int restCount = GetRestCountNavigation((int?)navigationSelectItem.TopOption, readCount, totalCount);
String skipToken = OeSkipTokenParser.GetSkipToken(_queryContext.EdmModel, keys, restCount);
return(GetNavigationUri(dbEnumerator.ParentEnumerator.EntryFactory, navigationSelectItem, orderByClause, dbEnumerator.ParentEnumerator.Current, skipToken));
}
private Uri GetNavigationUri(OeEntryFactory entryFactory, ExpandedNavigationSelectItem item, OrderByClause orderByClause, Object value, String skipToken)
{
bool?queryCount = item.CountOption;
long?top = item.TopOption;
if (skipToken != null)
{
queryCount = null;
int pageSize = item.GetPageSize();
if (pageSize > 0 && (top == null || pageSize < top.GetValueOrDefault()))
{
top = pageSize;
}
}
FilterClause filterClause = GetFilter(_queryContext.EdmModel, entryFactory, item, value);
if (filterClause == null)
{
return(null);
}
var entitytSet = (IEdmEntitySet)(filterClause.RangeVariable as ResourceRangeVariable).NavigationSource;
var pathSegments = new ODataPathSegment[] { new EntitySetSegment(entitytSet) };
var odataUri = new ODataUri()
{
Filter = filterClause,
OrderBy = orderByClause,
Path = new ODataPath(pathSegments),
QueryCount = queryCount,
SelectAndExpand = item.SelectAndExpand,
Skip = item.SkipOption,
SkipToken = skipToken,
Top = top
};
return(odataUri.BuildUri(ODataUrlKeyDelimiter.Parentheses));
}
