using System;
using System.Collections.Generic;
using System.Text;

namespace Ant.ORM
{
    public interface IPersist
    {
        /// <summary>
        /// 保存
        /// </summary>
        /// <param name="entity"></param>
        /// <returns></returns>
        bool Save(object entity);
        /// <summary>
        /// 保存
        /// </summary>
        /// <typeparam name="T">实体类型</typeparam>
        /// <param name="fields">要保存实体的属性</param>
        /// <returns></returns>
        bool Save<T>(FieldValueCollection fields);
        /// <summary>
        /// 更新
        /// </summary>
        /// <param name="entity">实体</param>
        /// <returns></returns>
        bool Update(object entity);
        /// <summary>
        /// 更新
        /// </summary>
        /// <typeparam name="T">实体类型</typeparam>
        /// <param name="fields">要保存实体的属性</param>
        /// <returns></returns>
        bool Update<T>(FieldValueCollection fields);
        /// <summary>
        /// 删除
        /// </summary>
        /// <param name="entity"></param>
        /// <returns></returns>
        bool Delete(object entity);
        /// <summary>
        /// 删除
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="fields"></param>
        /// <returns></returns>
        bool Delete<T>(FieldValueCollection fields);
        /// <summary>
        /// 查询
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <returns></returns>
        object Query<T>();
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="pageSize"></param>
        /// <param name="pageNo"></param>
        /// <returns></returns>
        object Query<T>(int pageSize, int pageNo);
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="pageSize"></param>
        /// <param name="pageNo"></param>
        /// <param name="count"></param>
        /// <returns></returns>
        object Query<T>(int pageSize, int pageNo, out int count);
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="filter"></param>
        /// <returns></returns>
        object Query<T>(string filter);
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="filter"></param>
        /// <param name="pageSize"></param>
        /// <param name="pageNo"></param>
        /// <returns></returns>
        object Query<T>(string filter, int pageSize, int pageNo);
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="filter"></param>
        /// <param name="pageSize"></param>
        /// <param name="pageNo"></param>
        /// <param name="count"></param>
        /// <returns></returns>
        object Query<T>(string filter, int pageSize, int pageNo, out int count);
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="filter"></param>
        /// <param name="fields"></param>
        /// <returns></returns>
        object Query<T>(string filter, FieldValueCollection fields);
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="filter"></param>
        /// <param name="fields"></param>
        /// <param name="pageSize"></param>
        /// <param name="pageNo"></param>
        /// <returns></returns>
        object Query<T>(string filter, FieldValueCollection fields, int pageSize, int pageNo);
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="filter"></param>
        /// <param name="fields"></param>
        /// <param name="pageSize"></param>
        /// <param name="pageNo"></param>
        /// <param name="Count"></param>
        /// <returns></returns>
        object Query<T>(string filter, FieldValueCollection fields, int pageSize, int pageNo, out int Count);
        
    }
}