public void RemoveRelation(IRelationById item, AbstractScopedCache repositoryScopedCache)
{
var sessionIdAsString = GetSessionId().ToString("n");
using (DisposableTimer.TraceDuration <NhSessionHelper>("In RemoveRelation for session " + sessionIdAsString, "End RemoveRelation for session " + sessionIdAsString))
{
var relationType = GetOrCreateNodeRelationType(item.Type.RelationName, repositoryScopedCache);
// Nh should handle this for us but got an error with mappings atm in SqlCe (APN 09/11/11)
// Clear session cache to make sure it loads all of the tags in order to delete them all
NhSession.Flush();
// Clear the repository cache of this relation in case one has been added and then removed in the same unit of work
var cacheKey = GenerateCacheKeyForRelation(item, relationType);
repositoryScopedCache.InvalidateItems(cacheKey);
var sourceIdValue = (Guid)item.SourceId.Value;
var destinationIdValue = (Guid)item.DestinationId.Value;
var existingRelation = GetDbRelation(relationType.Alias, sourceIdValue, destinationIdValue).ToArray();
if (existingRelation.Any())
{
existingRelation.ForEach(x => NhSession.Delete(x));
}
}
}
