/// <summary> /// Removes specified data object. /// </summary> /// <param name="context">ObjectContext object</param> /// <param name="obj">Data object to remove</param> /// <returns> /// entity set name /// </returns> public static void RemoveObject(ObjectContext context, DataObject obj) { Debug.Assert(context != null); context.DeleteObject(DataObjectHelper.GetEntityObject(obj)); }
/////////////////////////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////////////////////// /// <summary> /// Adds data object to object context. /// </summary> /// <param name="dataObject"> /// DataObject object to add. /// </param> protected void AddObject(DataObject dataObject) { Debug.Assert(dataObject != null); // add entity object to context _context.AddObject(_fullEntitySet, DataObjectHelper.GetEntityObject( dataObject)); }
private bool _CanAddObject(TDataObject dataObject) { if (_filter == null) { return(true); } var entity = (TEntity)DataObjectHelper.GetEntityObject(dataObject); return(_filter(entity)); }
/// <summary> /// Removes data object from the collection. /// </summary> public virtual bool Remove(T dataObject) { if (dataObject == null) { throw new ArgumentNullException(); } _CheckReadOnlyFlag(); return(_entities.Remove(DataObjectHelper.GetEntityObject( dataObject) as TEntity)); }
/// <summary> /// Adds data object to the collection. /// </summary> public virtual void Add(T dataObject) { if (dataObject == null) { throw new ArgumentNullException(); } _CheckReadOnlyFlag(); _entities.Add(DataObjectHelper.GetEntityObject( dataObject) as TEntity); }
private void _SetValue(TDataObj dataObject) { TEntity entity = null; if (dataObject != null) { entity = DataObjectHelper.GetEntityObject(dataObject) as TEntity; if (entity == null) { throw new DataException(Properties.Messages.Error_InvalidDataObjectInstance); } } _entityRef.Value = entity; }
/// <summary> /// Removes data object from object context. /// </summary> /// <param name="dataObject"> /// DataObject object to remove. /// </param> protected void RemoveObject(DataObject dataObject) { Debug.Assert(dataObject != null); EntityObject entity = DataObjectHelper.GetEntityObject( dataObject); // remove data object from cache // TODO: entity stays in context until SaveChanges is called, // so alternatively we can sync. cache with context handling // SavingChanges event. //_context.Cache.RemoveObject(entity); // remove entity object from context _context.DeleteObject(entity); }
/////////////////////////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////////////////////// public void AddObject(T dataObject) { EntityObject entity = DataObjectHelper.GetEntityObject(dataObject); // check if entity already added // entity could be implicitly added by setting a relation object if (!_ContainsEntity(entity)) { base.AddObject(dataObject); } else { // emulate Add event _NotifyContextCollectionChanged(CollectionChangeAction.Add, dataObject); } }