private int Compare(ConnectorObject r1, ConnectorObject r2, ICF.SortKey sortKey)
{
IList <object> vs1 = ValuesSorted(r1, sortKey.Field);
IList <object> vs2 = ValuesSorted(r2, sortKey.Field);
if (vs1.Count == 0 && vs2.Count == 0)
{
return(0);
}
else if (vs1.Count == 0)
{
// Sort resources with missing attributes last.
return(1);
}
else if (vs2.Count == 0)
{
// Sort resources with missing attributes last.
return(-1);
}
else
{
object v1 = vs1[0];
object v2 = vs2[0];
return(sortKey.IsAscendingOrder() ? CompareValues(v1, v2) : -CompareValues(v1, v2));
}
}
public void ExecuteQuery(ObjectClass objectClass, Filter query, ResultsHandler handler, OperationOptions options)
{
ICF.SortKey[] sortKeys = options.SortKeys;
if (null == sortKeys)
{
sortKeys = new ICF.SortKey[] { new ICF.SortKey(Name.NAME, true) };
}
// Rebuild the full result set.
SortedSet <ConnectorObject> resultSet = new SortedSet <ConnectorObject>(new ResourceComparator(sortKeys));
if (null != query)
{
foreach (ConnectorObject co in collection.Values)
{
if (query.Accept(co))
{
resultSet.Add(co);
}
}
}
else
{
resultSet.UnionWith(collection.Values);
}
// Handle the results
if (null != options.PageSize)
{
// Paged Search
string pagedResultsCookie = options.PagedResultsCookie;
string currentPagedResultsCookie = options.PagedResultsCookie;
int? pagedResultsOffset = null != options.PagedResultsOffset ? Math.Max(0, (int)options.PagedResultsOffset) : 0;
int? pageSize = options.PageSize;
int index = 0;
int pageStartIndex = null == pagedResultsCookie ? 0 : -1;
int handled = 0;
foreach (ConnectorObject entry in resultSet)
{
if (pageStartIndex < 0 && pagedResultsCookie.Equals(entry.Name.GetNameValue()))
{
pageStartIndex = index + 1;
}
if (pageStartIndex < 0 || index < pageStartIndex)
{
index++;
continue;
}
if (handled >= pageSize)
{
break;
}
if (index >= pagedResultsOffset + pageStartIndex)
{
if (handler.Handle(entry))
{
handled++;
currentPagedResultsCookie = entry.Name.GetNameValue();
}
else
{
break;
}
}
index++;
}
if (index == resultSet.Count)
{
currentPagedResultsCookie = null;
}
if (handler is SearchResultsHandler)
{
((SearchResultsHandler)handler).HandleResult(new SearchResult(currentPagedResultsCookie, resultSet.Count - index));
}
}
else
{
// Normal Search
foreach (ConnectorObject entry in resultSet)
{
if (!handler.Handle(entry))
{
break;
}
}
if (handler is SearchResultsHandler)
{
((SearchResultsHandler)handler).HandleResult(new SearchResult());
}
}
}