Samples/MindDump/Castle.Applications.MindDump/Dao/AuthorDao.cs

   1 // Copyright 2004-2008 Castle Project - http://www.castleproject.org/
   2 //
   3 // Licensed under the Apache License, Version 2.0 (the "License");
   4 // you may not use this file except in compliance with the License.
   5 // You may obtain a copy of the License at
   6 //
   7 //     http://www.apache.org/licenses/LICENSE-2.0
   8 //
   9 // Unless required by applicable law or agreed to in writing, software
  10 // distributed under the License is distributed on an "AS IS" BASIS,
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 // See the License for the specific language governing permissions and
  13 // limitations under the License.
  14
  15 namespace Castle.Applications.MindDump.Dao
  16 {
  17         using System;
  18         using System.Collections;
  19
  20         using Castle.Applications.MindDump.Model;
  21         using Castle.Facilities.NHibernateIntegration;
  22
  23         using NHibernate;
  24
  25         public class AuthorDao
  26         {
  27                 private readonly ISessionManager sessionManager;
  28
  29                 public AuthorDao(ISessionManager sessionManager)
  30                 {
  31                         this.sessionManager = sessionManager;
  32                 }
  33
  34                 public Author Create(Author author)
  35                 {
  36                         using(ISession session = sessionManager.OpenSession())
  37                         {
  38                                 if (author.Blogs == null)
  39                                 {
  40                                         author.Blogs = new ArrayList();
  41                                 }
  42
  43                                 session.Save(author);
  44                         }
  45
  46                         return author;
  47                 }
  48
  49                 public void Update(Author author)
  50                 {
  51                         using(ISession session = sessionManager.OpenSession())
  52                         {
  53                                 session.Update(author);
  54                         }
  55                 }
  56
  57                 /// <summary>
  58                 /// Usually will be invoked only by the
  59                 /// test cases
  60                 /// </summary>
  61                 public void DeleteAll()
  62                 {
  63                         using(ISession session = sessionManager.OpenSession())
  64                         {
  65                                 session.Delete("from Author");
  66                         }
  67                 }
  68
  69                 public IList Find()
  70                 {
  71                         using(ISession session = sessionManager.OpenSession())
  72                         {
  73                                 return session.Find("from Author");
  74                         }
  75                 }
  76
  77                 public Author Find(String login)
  78                 {
  79                         using(ISession session = sessionManager.OpenSession())
  80                         {
  81                                 IList list = session.Find(
  82                                         "from Author as a where a.Login=:name", login, NHibernateUtil.String);
  83
  84                                 if (list.Count == 1)
  85                                 {
  86                                         Author author = list[0] as Author;
  87
  88                                         if (author.Blogs.Count == 1)
  89                                         {
  90                                                 // We just reference the blog
  91                                                 // to load it
  92                                                 Blog blog = author.Blogs[0] as Blog;
  93                                         }
  94
  95                                         return author;
  96                                 }
  97                                 else
  98                                 {
  99                                         return null;
 100                                 }
 101                         }
 102                 }
 103         }
 104 }