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

namespace Peer2PeerMasterServer
{
    interface IDataProvider
    {
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="id"></param>
        /// <returns></returns>
        T Get<T>(object id) where T : class;

        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="expression"></param>
        /// <returns></returns>
        T Get<T>(System.Linq.Expressions.Expression<Func<T, bool>> expression) where T : class;

        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <returns></returns>
        IQueryable<T> Query<T>() where T : class;

        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <returns></returns>
        T Update<T>() where T : class;
       
        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <returns></returns>
        bool Delete<T>() where T : class;

        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="entities"></param>
        /// <returns></returns>
        bool Delete<T>(IList<T> entities) where T : class;

        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="item"></param>
        /// <returns></returns>
        T Add<T>(T item) where T : class;
    }
}