DAL/ArticleHQL.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using NHibernate;
using DomainModel.Entities;

namespace DAL
{
    public class ArticleHQL
    {
        private ISession _session;
        public ISession Session
        {
            get
            {
                return _session;
            }
        }

        public ArticleHQL(ISession session)
        {
            _session = session;
        }

        public int CreateArticle(Article art)
        {
            int newid = (int)_session.Save(art);
            _session.Flush();
            return newid;
        }
        public int CreateArticleTransaction(Article art)
        {
            using (ITransaction trans = _session.BeginTransaction())
            {
                try
                {
                    int newid = (int)_session.Save(art);
                    _session.Flush();
                    trans.Commit();
                    return newid;
                }
                catch(HibernateException)
                {
                    trans.Rollback();
                    throw;
                }
            }
        }

        public bool DelArticle(Article art)
        {
            _session.Delete(art);
            _session.Flush();
            return true;
        }
        public void UpdateArticle(Article art)
        {            
            _session.Update(art);
            _session.Flush();