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

namespace CommonLang.Net
{
    public interface AbstractSession
    {
        /// <summary>
        /// 获取属性
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        object GetAttribute(string key);

        /// <summary>
        /// 设置属性
        /// </summary>
        /// <param name="key"></param>
        /// <param name="value"></param>
        /// <returns></returns>
        void SetAttribute(string key, object value);

        /// <summary>
        /// 移除属性
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        void RemoveAttribute(string key);

        /// <summary>
        /// 是否包含属性
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        bool ContainsAttribute(string key);

        /// <summary>
        /// 遍历属性列表
        /// </summary>
        /// <returns></returns>
        ICollection<string> GetAttributeKeys();
    }
}