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comparison Agendas/trunk/src/Agendas.NHibernate/NhHelper.cs @ 67:c8099df941bd

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Implementando persistencia con NHibernate en el proyecto web
author nelopauselli
date Thu, 19 May 2011 01:24:56 -0300
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children c2d98fd6593f
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64:240a20cdbcc8 67:c8099df941bd
1 using System;
2 using AltNetHispano.Agendas.Domain;
3 using ConfOrm;
4 using ConfOrm.NH;
5 using NHibernate;
6 using NHibernate.Cfg;
7 using NHibernate.Tool.hbm2ddl;
8
9 namespace Agendas.NHibernate
10 {
11 public static class NhHelper
12 {
13 private static ISessionFactory _sessionfactory;
14 private static Configuration _cfg;
15
16 public static Configuration GetConfiguration()
17 {
18 if (_cfg == null)
19 {
20 var orm = new ObjectRelationalMapper();
21 orm.TablePerClass<Evento>();
22 orm.TablePerClass<Ponente>();
23
24 orm.Cascade<Evento, Ponente>(Cascade.None);
25 orm.Cascade<Ponente, Evento>(Cascade.None);
26
27 var mapper = new Mapper(orm);
28
29 var mapping = mapper.CompileMappingFor(typeof(Evento).Assembly.GetTypes());
30
31 _cfg = new Configuration();
32 _cfg.Configure();
33 _cfg.AddDeserializedMapping(mapping, null);
34 }
35 return _cfg;
36 }
37
38 public static ISessionFactory GetSessionFactory()
39 {
40 if (_sessionfactory == null)
41 {
42 var cfg = GetConfiguration();
43
44 #if DEBUG
45 var schemaValidator = new SchemaValidator(cfg);
46 try
47 {
48 schemaValidator.Validate();
49 }
50 catch(Exception ex)
51 {
52 var schemaExport = new SchemaExport(cfg);
53 schemaExport.Create(false, true);
54 }
55
56 #endif
57
58 _sessionfactory = cfg.BuildSessionFactory();
59 }
60 return _sessionfactory;
61 }
62 }
63 }