public void Attach() { if (DetachState != DetachStateEnum.Detached) { throw new Exception("Edge not in Detached state"); } // to IStore store = From.Store.StoreUniverse.GetStore(ToStoreTypeName, ToStoreIdentifier); if (store == null) { throw new Exception(ToStoreIdentifier + " store not found"); } _to = store.GetVertexByIdentifier(ToIdentifier); To.AddInEdge(this); // meta store = From.Store.StoreUniverse.GetStore(MetaStoreTypeName, MetaStoreIdentifier); if (store == null) { throw new Exception(MetaStoreIdentifier + " store not found"); } _meta = store.GetVertexByIdentifier(MetaIdentifier); _detachState = DetachStateEnum.Attached; }