C# 接口

    /// <summary>
    /// 基础的数据操作规范
    /// </summary>
    /// <typeparam name="TEntity"></typeparam>
    public interface IRepository<TEntity>
           where TEntity : class
    {
        /// <summary>
        /// 添加实体并提交到数据服务器
        /// </summary>
        /// <param name="item">Item to add to repository</param>
        void Insert(TEntity item);

        /// <summary>
        /// 移除实体并提交到数据服务器
        /// 如果表存在约束，需要先删除子表信息
        /// </summary>
        /// <param name="item">Item to delete</param>
        void Delete(TEntity item);

        /// <summary>
        /// 修改实体并提交到数据服务器
        /// </summary>
        /// <param name="item"></param>
        void Update(TEntity item);

        /// <summary>
        /// 得到指定的实体集合（延时结果集）
        /// Get all elements of type {T} in repository
        /// </summary>
        /// <returns>List of selected elements</returns>
        IQueryable<TEntity> GetModel();

        /// <summary>
        /// 根据主键得到实体
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        TEntity Find(params object[] id);
    }

  /// <summary>
    /// 做为一个持久化机制的实现，它可能是ado.net,linq2sql,entityframeworks,nhibernate,redis,memoryStream,fileStream etc.
    /// 宗旨：我们不应该将数据持久化的方式暴露到业务（领域）层
    /// 建立仓储：为每个聚合根建立仓储接口和实现，而不是为每个实体
    /// 使用仓储：应该根据使用场景去声明为仓储，而不是每次都是IExtensionRepository
    /// </summary>
    /// <typeparam name="TEntity"></typeparam>
    public class DemoContextRepository<TEntity> :
        IExtensionRepository<TEntity>
        where TEntity : class
    {
        #region IExtensionRepository<TEntity>成员
        public void Insert(IEnumerable<TEntity> item)
        {
            throw new NotImplementedException();
        }

        public void Update(IEnumerable<TEntity> item)
        {
            throw new NotImplementedException();
        }

        public void Delete(IEnumerable<TEntity> item)
        {
            throw new NotImplementedException();
        }

        public void Update<T>(System.Linq.Expressions.Expression<Action<T>> entity) where T : class
        {
            throw new NotImplementedException();
        }

        public IQueryable<TEntity> GetModel(EntityFrameworks.Entity.Core.Specification.ISpecification<TEntity> specification)
        {
            throw new NotImplementedException();
        }

        public IQueryable<TEntity> GetModel(System.Linq.Expressions.Expression<Func<TEntity, bool>> predicate)
        {
            throw new NotImplementedException();
        }

        public TEntity Find(System.Linq.Expressions.Expression<Func<TEntity, bool>> predicate)
        {
            throw new NotImplementedException();
        }

        public TEntity Find(EntityFrameworks.Entity.Core.Specification.ISpecification<TEntity> specification)
        {
            throw new NotImplementedException();
        }

        public void BulkInsert(IEnumerable<TEntity> item, bool isRemoveIdentity)
        {
            throw new NotImplementedException();
        }

        public void BulkInsert(IEnumerable<TEntity> item)
        {
            throw new NotImplementedException();
        }

        public void BulkUpdate(IEnumerable<TEntity> item, params string[] fieldParams)
        {
            throw new NotImplementedException();
        }

        public void BulkDelete(IEnumerable<TEntity> item)
        {
            throw new NotImplementedException();
        }

        public event Action<EntityFrameworks.Entity.Core.SavedEventArgs> AfterSaved;

        public event Action<EntityFrameworks.Entity.Core.SavedEventArgs> BeforeSaved;
        #endregion

        #region IOrderableRepository成员
        public IQueryable<TEntity> GetModel(Action<EntityFrameworks.Entity.Core.Orderable<TEntity>> orderBy)
        {
            throw new NotImplementedException();
        }

        public IQueryable<TEntity> GetModel(Action<EntityFrameworks.Entity.Core.Orderable<TEntity>> orderBy, EntityFrameworks.Entity.Core.Specification.ISpecification<TEntity> specification)
        {
            throw new NotImplementedException();
        }

        public IQueryable<TEntity> GetModel(Action<EntityFrameworks.Entity.Core.Orderable<TEntity>> orderBy, System.Linq.Expressions.Expression<Func<TEntity, bool>> predicate)
        {
            throw new NotImplementedException();
        }
        #endregion

        #region IRepository<TEntity>成员
        public void Insert(TEntity item)
        {
            throw new NotImplementedException();
        }

        public void Delete(TEntity item)
        {
            throw new NotImplementedException();
        }

        public void Update(TEntity item)
        {
            throw new NotImplementedException();
        }

        public IQueryable<TEntity> GetModel()
        {
            throw new NotImplementedException();
        }

        public TEntity Find(params object[] id)
        {
            throw new NotImplementedException();
        }

        #endregion
    }