using Ant.Core;
using Ant.DbExpressions;
using Ant.ORM;
using System;
using System.Reflection;

namespace Ant.Descriptors
{
    /// <summary>
    /// 实体映射所有成员
    /// </summary>
    public abstract class MappingMemberDescriptor : MemberDescriptor
    {
        protected MappingMemberDescriptor(FiledMetaData declaringEntityDescriptor)
            : base(declaringEntityDescriptor)
        {
        }
        /// <summary>
        /// 主键
        /// </summary>
        public bool IsPrimaryKey { get; set; }
        /// <summary>
        /// 自增长
        /// </summary>
        public bool IsAutoIncrement { get; set; }
        /// <summary>
        /// 
        /// </summary>
        public abstract DbColumn Column { get; }
        /// <summary>
        /// 获取列的值
        /// </summary>
        /// <param name="instance"></param>
        /// <returns></returns>
        public abstract object GetValue(object instance);
        /// <summary>
        /// 给列进行赋值
        /// </summary>
        /// <param name="instance"></param>
        /// <param name="value"></param>
        public abstract void SetValue(object instance, object value);
    }
}