private static void CheckCanDeleteSafe(IBusinessObject bo, List <IBusinessObject> alreadyChecked,
MatchList matchList, string currentRelationshipPath, ref Dictionary <string, int> results)
{
if (alreadyChecked.Contains(bo))
{
return;
}
alreadyChecked.Add(bo);
if (currentRelationshipPath.Length > 0)
{
currentRelationshipPath += ".";
}
var listOfPaths = matchList;
foreach (var pair in listOfPaths)
{
var relationshipName = pair.Key;
if (!bo.Relationships.Contains(relationshipName))
{
return;
}
var thisRelationshipPath = currentRelationshipPath + relationshipName;
var relationship = bo.Relationships[relationshipName] as IMultipleRelationship;
if (relationship == null)
{
continue;
}
if (pair.Value == null)
{
var businessObjects = relationship.BusinessObjectCollection;
if (businessObjects.Count > 0)
{
if (!results.ContainsKey(thisRelationshipPath))
{
results.Add(thisRelationshipPath, businessObjects.Count);
}
else
{
results[thisRelationshipPath] += businessObjects.Count;
}
}
}
else if (pair.Value.Count > 0)
{
var boCol = relationship.BusinessObjectCollection;
foreach (BusinessObject businessObject in boCol)
{
CheckCanDeleteSafe(businessObject, alreadyChecked, pair.Value, thisRelationshipPath, ref results);
}
}
}
}
private static MatchList FindRelationshipsSafe <TRelationshipDef>(IRelationshipDefCol relationshipDefCol,
MatchesConditionDelegate <TRelationshipDef> matchesConditionDelegate, List <IRelationshipDefCol> alreadyChecked)
where TRelationshipDef : RelationshipDef
{
var listOfPaths = new MatchList();
if (matchesConditionDelegate == null)
{
return(listOfPaths);
}
if (relationshipDefCol == null)
{
return(listOfPaths);
}
if (alreadyChecked.Contains(relationshipDefCol))
{
return(listOfPaths);
}
alreadyChecked.Add(relationshipDefCol);
foreach (var relationshipDef in relationshipDefCol)
{
var relationshipName = relationshipDef.RelationshipName;
var castedRelationshipDef = relationshipDef as TRelationshipDef;
if (castedRelationshipDef == null)
{
continue;
}
var matchesCondition = matchesConditionDelegate(castedRelationshipDef);
if (matchesCondition)
{
listOfPaths.Add(relationshipName, null);
}
else
{
var classDef = (ClassDef)relationshipDef.RelatedObjectClassDef;
if (classDef != null)
{
var results = FindRelationshipsSafe(classDef.RelationshipDefCol, matchesConditionDelegate, alreadyChecked);
if (results.Count > 0)
{
listOfPaths.Add(relationshipName, results);
}
}
}
}
return(listOfPaths);
}