/// <summary> /// 对实体集合进行批量操作。 /// </summary> /// <param name="instances">要操作的实体序列。</param> /// <param name="fnOperation">实体操作表达式,权提供 Insert、Update 和 Delete 操作。</param> /// <returns>影响的实体数。</returns> public int Batch(IEnumerable <TEntity> instances, Expression <Func <IRepository <TEntity>, TEntity, int> > fnOperation) { var operateName = OperateFinder.Find(fnOperation); var eventType = GetBeforeEventType(operateName); return(EntityPersistentSubscribePublisher.OnBatch(instances.Cast <IEntity>(), eventType, () => repositoryProxy.Batch(instances, fnOperation))); }
/// <summary> /// 对实体集合进行批量操作。 /// </summary> /// <param name="instances">要操作的实体序列。</param> /// <param name="fnOperation">实体操作表达式,权提供 Insert、Update 和 Delete 操作。</param> /// <returns>影响的实体数。</returns> public int Batch(IEnumerable <TEntity> instances, Expression <Func <IRepository <TEntity>, TEntity, int> > fnOperation) { if (instances.IsNullOrEmpty()) { return(-1); } var operateName = OperateFinder.Find(fnOperation); var eventType = GetBeforeEventType(operateName); int func() => repositoryProxy.Batch(instances, fnOperation); return(context.Options.NotifyEvents ? EntityPersistentSubscribePublisher.OnBatch(instances.Cast <IEntity>(), eventType, func) : func()); }