private IEnumerable <IWorkItem> GetItems(QueryFilter filter = null, int startIndex = -1,
CurrentSearchOption currentSearch = CurrentSearchOption.ExcludeCurrent,
VisitedSearchOption visitedSearch = VisitedSearchOption.ExcludeVisited)
{
IEnumerable <IWorkItem> query = GetItems(filter, false, startIndex);
if (currentSearch == CurrentSearchOption.ExcludeCurrent)
{
query = query.Where(item => !Equals(item, Current));
}
if (visitedSearch == VisitedSearchOption.ExcludeVisited)
{
query = query.Where(item => !item.Visited);
}
return(query);
}
private IList <IWorkItem> GetWorkItemsForInnermostContext([NotNull] Polygon[] perimeters,
VisitedSearchOption visitedSearch,
int startIndex)
{
Assert.ArgumentNotNull(perimeters, nameof(perimeters));
if (_msg.IsVerboseDebugEnabled)
{
_msg.DebugFormat("Getting work items for innermost context ({0} perimeters)", perimeters.Length);
}
const CurrentSearchOption currentSearch = CurrentSearchOption.ExcludeCurrent;
for (var index = 0; index < perimeters.Length; index++)
{
Polygon intersection = GetIntersection(perimeters, index);
if (intersection.IsEmpty)
{
// continue with next perimeter
}
else
{
// Possible optimization: do one search,
// and qualify each candidate with "intersects" / "within"
// --> filter result
// todo daro: old implementation
// search the items fully within the search extent
//IList<WorkItem> workItems = GetItems(statusSearch, currentSearch,
// visitedSearch, startIndex,
// intersection,
// SpatialSearchOption.Within,
// match);
SpatialQueryFilter filter = GdbQueryUtils.CreateSpatialFilter(intersection, SpatialRelationship.Within);
List <IWorkItem> workItems = GetItems(filter, startIndex, currentSearch, visitedSearch).ToList();
if (workItems.Count == 0)
{
if (_msg.IsVerboseDebugEnabled)
{
_msg.Debug("No work items fully within the intersection, searching partially contained items");
}
// todo daro: old implementation
// search also intersecting items
//workItems = GetItems(statusSearch, currentSearch,
// visitedSearch, startIndex,
// intersection, SpatialSearchOption.Intersect,
// match);
filter = GdbQueryUtils.CreateSpatialFilter(intersection);
workItems = GetItems(filter, startIndex, currentSearch, visitedSearch).ToList();
}
if (_msg.IsVerboseDebugEnabled)
{
_msg.DebugFormat("{0} work item(s) found", workItems.Count);
}
if (workItems.Count > 0)
{
return(workItems);
}
// else: continue with next perimeter
}
}
// nothing found so far. Search entire work list
// todo daro: old implementation
//return GetItems(statusSearch, currentSearch, visitedSearch, startIndex, match);
return(GetItems(null, startIndex, currentSearch, visitedSearch).ToList());
}
