private void Expand(RelationshipOrientedGraphNode node)
{
IEnumerable <EntityToken> nativeParentEntityTokens = SecurityAncestorFacade.GetParents(node.EntityToken);
if (nativeParentEntityTokens != null)
{
nativeParentEntityTokens.ForEach(f => AddEntityToken(node, f));
}
IEnumerable <EntityToken> auxiliaryParentEntityTokens = AuxiliarySecurityAncestorFacade.GetParents(node.EntityToken);
if (auxiliaryParentEntityTokens != null)
{
auxiliaryParentEntityTokens.ForEach(f => AddEntityToken(node, f));
}
IEnumerable <EntityToken> hookingParentEntityTokens = HookingFacade.GetHookies(node.EntityToken);
if (hookingParentEntityTokens != null)
{
hookingParentEntityTokens.ForEach(f => AddEntityToken(node, f));
}
}
private void ExpandNextLevel(string userName)
{
int levelNumber = _levels.Count - 1;
if (levelNumber > 1000)
{
throw new InvalidOperationException($"The entity token '{_levels[0][0].EntityToken}' has more than 1000 levels of parents, this might be an infinite loop");
}
_moreLevelsToExpend = false;
List <RelationshipGraphNode> nodes = _levels[levelNumber];
if (nodes.Count > 1000)
{
throw new InvalidOperationException($"The entity token '{_levels[0][0].EntityToken}' has more than 1000 nodes at the level {levelNumber}, this might be an infinite loop");
}
foreach (RelationshipGraphNode node in nodes)
{
if (_searchOption == RelationshipGraphSearchOption.Native || _searchOption == RelationshipGraphSearchOption.Both)
{
IEnumerable <EntityToken> parentEntityTokens;
if (!EntityTokenCacheFacade.GetCachedNativeParents(node.EntityToken, out parentEntityTokens, userName))
{
parentEntityTokens = SecurityAncestorFacade.GetParents(node.EntityToken)?.Evaluate();
EntityTokenCacheFacade.AddNativeCache(node.EntityToken, parentEntityTokens);
}
if (parentEntityTokens != null)
{
AddNewParentEntityTokens(node, parentEntityTokens, RelationshipGraphNodeType.Entity, levelNumber);
}
}
if (_searchOption == RelationshipGraphSearchOption.Hooked || _searchOption == RelationshipGraphSearchOption.Both)
{
IEnumerable <EntityToken> parentEntityTokens;
if (!EntityTokenCacheFacade.GetCachedHookingParents(node.EntityToken, out parentEntityTokens, userName))
{
IEnumerable <EntityToken> auxiliaryParentEntityTokens = AuxiliarySecurityAncestorFacade.GetParents(node.EntityToken);
IEnumerable <EntityToken> hookingParentEntityTokens = HookingFacade.GetHookies(node.EntityToken);
parentEntityTokens = auxiliaryParentEntityTokens.ConcatOrDefault(hookingParentEntityTokens)?.Evaluate();
EntityTokenCacheFacade.AddHookingCache(node.EntityToken, parentEntityTokens);
}
if (parentEntityTokens != null)
{
AddNewParentEntityTokens(node, parentEntityTokens, RelationshipGraphNodeType.Hooking, levelNumber);
}
}
}
}
private static void FindExistingParents(RelationshipGraphNode node, List <EntityToken> foundEntityTokens)
{
if ((SecurityAncestorFacade.GetParents(node.EntityToken) != null) ||
(HookingFacade.GetHookies(node.EntityToken) != null))
{
if (foundEntityTokens.Find(et => et.GetHashCode() == node.EntityToken.GetHashCode()) == null)
{
foundEntityTokens.Add(node.EntityToken);
}
}
else
{
foreach (RelationshipGraphNode parentNode in node.ParentNodes)
{
FindExistingParents(parentNode, foundEntityTokens);
}
}
}