public override ItemLink[] GetReferrers(Item item) { Assert.ArgumentNotNull((object)item, "item"); var list = new List <ItemLink>(); lock (this.locks.GetLock((object)item.ID)) { var g = LinkedDataManager.ReadGraph(); var literalNode = g.GetLiteralNode(LinkedDataManager.ItemToUri(item)); if (literalNode != null) { var items = g.GetTriplesWithObject(literalNode); foreach (var triple in items) { var sourceItem = LinkedDataManager.UriToItem(triple.Subject.ToString()); var targetItem = LinkedDataManager.UriToItem(triple.Object.ToString()); //TODO: Need to hold somewhere in the triple the fieldId list.Add(new ItemLink(sourceItem.Database.Name, sourceItem.ID, new ID("{A60ACD61-A6DB-4182-8329-C957982CEC74}"), targetItem.Database.Name, targetItem.ID, targetItem.Paths.FullPath)); } } } return(list.ToArray()); }
public static IEnumerable <Triple> GetItemTriples(Item item) { var g = LinkedDataManager.ReadGraph(); var items = g.GetTriplesWithSubject(g.CreateUriNode(LinkedDataManager.ItemToUri(item))); return(items); }
public static void RemoveLinksForItem(Item item, ItemLink link) { var g = LinkedDataManager.ReadGraph(); var items = g.GetTriplesWithSubjectObject( g.CreateUriNode(LinkedDataManager.ItemToUri(item)), g.CreateLiteralNode(LinkedDataManager.ItemToUri(link.GetTargetItem()))); if (items != null && items.Any()) { g.Retract(items.First()); WriteGraph(g); } }
public override int GetReferrerCount(Item item) { Assert.ArgumentNotNull((object)item, "item"); var g = LinkedDataManager.ReadGraph(); var items = g.GetTriplesWithObject(g.CreateUriNode(LinkedDataManager.ItemToUri(item))); if (items != null) { return(items.Count()); } return(0); }
protected virtual void RemoveItemVersionLinks(Item item) { Assert.ArgumentNotNull((object)item, "item"); var g = LinkedDataManager.ReadGraph(); var items = g.GetTriplesWithSubject(g.CreateUriNode(LinkedDataManager.ItemToUri(item))); foreach (var triple in items) { g.Retract(triple); } LinkedDataManager.WriteGraph(g); }
public override void RemoveReferences(Item item) { Assert.ArgumentNotNull((object)item, "item"); var g = LinkedDataManager.ReadGraph(); var items = g.GetTriplesWithObject(g.CreateUriNode(LinkedDataManager.ItemToUri(item))); foreach (var triple in items) { g.Retract(triple); } LinkedDataManager.WriteGraph(g); LinkCounters.DataUpdated.Increment(); }
public static void AddLink(Item item, ItemLink link) { var g = LinkedDataManager.ReadGraph(); LinkedDataManager.WriteTriple(g, LinkedDataManager.ToTriple(g, item, link)); }