/// <summary>
    /// 異步操作(zuo)
    /// 基礎的數(shu)據操作規(gui)范
    /// 與ＯＲＭ架構無關
    /// </summary>
    /// <typeparam name="TEntity"></typeparam>
    public interface IRepositoryAsync<TEntity>
           where TEntity : class
    {

        /// <summary>
        /// 添加實體并提交(jiao)到(dao)數據服務器
        /// </summary>
        /// <param name="item">Item to add to repository</param>
        Task InsertAsync(TEntity item);

        /// <summary>
        /// 移除(chu)實體(ti)并提交到(dao)數據服務器
        /// 如果(guo)表(biao)存在(zai)約束，需要先刪除子(zi)表(biao)信息
        /// </summary>
        /// <param name="item">Item to delete</param>
        Task DeleteAsync(TEntity item);

        /// <summary>
        /// 修(xiu)改實體(ti)并提交到數據服務(wu)器(qi)
        /// </summary>
        /// <param name="item"></param>
        Task UpdateAsync(TEntity item);

        /// <summary>
        /// 添加(jia)集合(he)[集合(he)數(shu)目不(bu)大時用(yong)此方法(fa)，超大集合(he)使(shi)用(yong)BulkInsert]
        /// </summary>
        /// <param name="item"></param>
        Task InsertAsync(IEnumerable<TEntity> item);

        /// <summary>
        /// 修改集(ji)合(he)(he)(he)[集(ji)合(he)(he)(he)數目不大(da)時用此(ci)方法(fa)，超大(da)集(ji)合(he)(he)(he)使用BulkUpdate]
        /// </summary>
        /// <param name="item"></param>
        Task UpdateAsync(IEnumerable<TEntity> item);

        /// <summary>
        /// 刪(shan)(shan)除(chu)集(ji)合(he)[集(ji)合(he)數目不大時用此方法，超大集(ji)合(he)使(shi)用批量(liang)刪(shan)(shan)除(chu)]
        /// </summary>
        /// <param name="item"></param>
        Task DeleteAsync(IEnumerable<TEntity> item);
        /// <summary>
        /// 批量添加，添加之(zhi)前可以去(qu)除自增屬性,默(mo)認不(bu)去(qu)除
        /// </summary>
        /// <param name="item"></param>
        /// <param name="isRemoveIdentity"&gt;</param&gt;
        Task BulkInsertAsync(IEnumerable<TEntity> item, bool isRemoveIdentity);

        /// <summary>
        /// 批量添(tian)加
        /// </summary>
        /// <param name="item"></param>
        Task BulkInsertAsync(IEnumerable<TEntity> item);

        /// <summary>
        /// 批量更新
        /// </summary>
        /// <param name="item"></param>
        Task BulkUpdateAsync(IEnumerable<TEntity> item, params string[] fieldParams);

        /// <summary>
        /// 批量(liang)刪除
        /// </summary>
        /// <param name="item"></param>
        Task BulkDeleteAsync(IEnumerable<TEntity> item);
    }