Spring.Net+NHibenate+Asp.Net mvc +ExtJs 系列 3 ----数据访问层

IUserDao.cs

    using System.Collections;
using DirectCenter.Model;

namespace DirectCenter.IDAL

{
publicinterface IUserDao

{

User FindById(string userId);
void Delete(User user);

User Save(User user);

User SaveOrUpdate(User user);

}

}

UserDao.cs

    public User Save(User user) 

{
//通过一种方式获取Session
           Session session = SessionFactory.OpenSession();

session.Save(user);

}

UserDao.cs

    using System.Collections;

using Spring.Data.NHibernate.Support;

using DirectCenter.IDAL;
using DirectCenter.Model;

namespace DirectCenter.DAL

{
publicclass UserDao:HibernateDaoSupport,IUserDao

{
public User Save(User user) 

{

HibernateTemplate.Save(user);
return user;

}
public User SaveOrUpdate(User user)

{

HibernateTemplate.SaveOrUpdate(user);
return user;

}
publicvoid Delete(User user) 

{

HibernateTemplate.Delete(user);

}
public User  FindById(string userId) 

{
return  HibernateTemplate.Get(typeof(User), userId) as User;

}


}

}

HibernateTemplate.cs

    ///<summary>
/// Gets or sets the session factory that should be used to create
/// NHibernate ISessions.
///</summary>
///<value>The session factory.</value>
publicoverride ISessionFactory SessionFactory

{
get { return sessionFactory; }
set

{

sessionFactory = value;

}

}


///<summary>
/// Gets or sets the template flush mode.
///</summary>
///<remarks>
/// Default is Auto. Will get applied to any <b>new</b> ISession
/// created by the template.
///</remarks>
///<value>The template flush mode.</value>
publicoverride TemplateFlushMode TemplateFlushMode

{
get { return templateFlushMode; }
set { templateFlushMode = value; }

}

///<summary>
/// Gets or sets a value indicating whether to 
/// cache all queries executed by this template.
///</summary>
///<remarks>
/// If this is true, all IQuery and ICriteria objects created by
/// this template will be marked as cacheable (including all
/// queries through find methods).
///<p>To specify the query region to be used for queries cached
/// by this template, set the QueryCacheRegion property.
///</p>
///</remarks>
///<value><c>true</c> if cache queries; otherwise, <c>false</c>.</value>
publicoverridebool CacheQueries

{
get { return cacheQueries; }
set { cacheQueries = value; }

}


publicobject Load(Type entityType, object id, LockMode lockMode)

{
return Execute(new LoadByTypeHibernateCallback(entityType, id, lockMode),true);


}

internalclass LoadByTypeHibernateCallback : IHibernateCallback

{
private Type entityType;
privateobject id;
private LockMode lockMode;

public LoadByTypeHibernateCallback(Type entityType, object id, LockMode lockMode)

{
this.entityType = entityType;
this.id = id;
this.lockMode = lockMode;


}

///<summary>
/// Gets called by HibernateTemplate with an active
/// Hibernate Session. Does not need to care about activating or closing
/// the Session, or handling transactions.
///</summary>
///<remarks>
///<p>
/// Allows for returning a result object created within the callback, i.e.
/// a domain object or a collection of domain objects. Note that there's
/// special support for single step actions: see HibernateTemplate.find etc.
///</p>
///</remarks>
publicobject DoInHibernate(ISession session)

{
if (lockMode !=null) 

{
return session.Load(entityType, id, lockMode);

}
else 

{
return session.Load(entityType, id);

}

}




}

Dao.xml

    <?xml version="1.0" encoding="utf-8" ?>
<objects xmlns="http://www.springframework.net"

xmlns:db="http://www.springframework.net/database">                    
<!-- 用以我们在其它的应用程序中，配置数据访问 -->
<object type="Spring.Objects.Factory.Config.PropertyPlaceholderConfigurer, Spring.Core">
<property name="ConfigSections" value="databaseSettings"/>
</object>

<!-- 数据库和Nhibernate的相关配置 -->
<db:provider id="DbProvider"

provider="SqlServer-2.0"

connectionString="Data Source=miaozy;Database=DirectCenter;Integrated Security=true;User Instance=false;"/>

<!--SessionFactory对象，其中包括一些比较重要的属性 -->              
<object id="NHibernateSessionFactory" type="Spring.Data.NHibernate.LocalSessionFactoryObject, Spring.Data.NHibernate20">
<property name="DbProvider" ref="DbProvider"/>
<property name="MappingAssemblies">
<list>
<value>DirectCenter.Model</value>
</list>
</property>
<property name="HibernateProperties">
<dictionary>
<entry key="hibernate.connection.provider"

value="NHibernate.Connection.DriverConnectionProvider"/>
<entry key="dialect"

value="NHibernate.Dialect.MsSql2000Dialect"/>
<entry key="hibernate.connection.driver_class"

value="NHibernate.Driver.SqlClientDriver"/>

</dictionary>
</property>
<property name="ExposeTransactionAwareSessionFactory" value="true"/>
</object>

<!--将id为NHibernateSessionFactory的对象注入到HibernateTemplate中-->
<object id="HibernateTemplate" type="Spring.Data.NHibernate.HibernateTemplate">
<property name="SessionFactory" ref="NHibernateSessionFactory"/>
<property name="TemplateFlushMode" value="Auto"/>
<property name="CacheQueries" value="true"/>
</object>

<!-- 我们的数据访问类，将HibernateTemplate注入进来-->
<object id="UserDao" type="DirectCenter.DAL.UserDao, DirectCenter.DAL">
<property name="HibernateTemplate" ref="HibernateTemplate"/>
</object>

<object id="CompanyDao" type="DirectCenter.DAL.CompanyDao, DirectCenter.DAL">
<property name="HibernateTemplate" ref="HibernateTemplate"/>
</object>

<object id="DepartmentDao" type="DirectCenter.DAL.DepartmentDao, DirectCenter.DAL">
<property name="HibernateTemplate" ref="HibernateTemplate"/>
</object>

</objects>

UserDaoTest.cs

    using System;

using NUnit.Framework;
using Spring.Testing.NUnit;

using DirectCenter.Model;
using DirectCenter.IDAL;

namespace DirectCenter.UnitTest

{

[TestFixture]
publicclass UserDaoTest : AbstractTransactionalDbProviderSpringContextTests

{
protectedoverridestring[] ConfigLocations

{
get

{
returnnew String[] { "objects.xml" };

}

}

protected IUserDao UserDao

{
get

{
return applicationContext.GetObject("UserDao") as IUserDao;

}

}

[Test]
publicvoid SaveUserTest()

{

User user =new User();

user.UserID ="buyer000";

user.Password ="1356";

user.UserName ="刘翔";

user.ValidFrom = Convert.ToDateTime("2008-8-18");

user.ValidTo = Convert.ToDateTime("2012-8-18");

user.CreateTime = DateTime.Now;

UserDao.Save(user);

}

}

}