public MetadataVerificationRequest(
SearchMode searchMode,
AncestrySearchDirection ancestrySearchDirection,
Func <Node, bool?> resultEvaluator,
Func <NodeRelation, Node, bool> relationSelector = null,
Func <Node, bool> ancestryNeighborSelector = null,
HashSet <RelationKind> relationsToCheck = null)
{
this.SearchMode = searchMode;
this.AncestrySearchDirection = ancestrySearchDirection;
this.ResultEvaluator = resultEvaluator;
this.RelationSelector = relationSelector;
this.AncestryNeighborSelector = ancestryNeighborSelector;
this.RelationsToCheck = relationsToCheck;
}
private void ExtractAncestry(
HashSet <Node> source,
HashSet <Node> destination,
HashSet <Node> excludeNodes,
Func <Node, bool> ancestryNeighborSelector,
AncestrySearchDirection ancestrySearchDirection)
{
if (ancestrySearchDirection != AncestrySearchDirection.None)
{
foreach (var node in source)
{
if (ancestrySearchDirection.HasFlag(AncestrySearchDirection.ToParent))
{
if (node.Parent != null &&
(ancestryNeighborSelector == null || ancestryNeighborSelector(node.Parent)) &&
!excludeNodes.Contains(node.Parent) &&
!destination.Contains(node.Parent))
{
destination.Add(node.Parent);
}
}
if (ancestrySearchDirection.HasFlag(AncestrySearchDirection.ToChild))
{
foreach (var child in node.Children.Values)
{
if ((ancestryNeighborSelector == null || ancestryNeighborSelector(child)) &&
!excludeNodes.Contains(child) &&
!destination.Contains(child))
{
destination.Add(child);
}
}
}
}
}
}
