01-08-05【Nhibernate (版本3.3.1.4000) 出入江湖】NHibernate二级缓存：第三方MemCache缓存

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
  <configSections>
    <section name="nhibernate" type="System.Configuration.NameValueSectionHandler, System,
                     Version=3.2.0.4000, Culture=neutral, PublicKeyToken=aa95f207798dfdb4" />
    <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net" />
    <section  name ="memcache"  type ="NHibernate.Caches.MemCache.MemCacheSectionHandler,NHibernate.Caches.MemCache"   />
  </configSections>
  <log4net>
    <!--定义输出到文件中-->
    <appender name="LogFileAppender"  type="log4net.Appender.RollingFileAppender,log4net">
      <!--<appender name="LogFileAppender" type="log4net.Appender.FileAppender">-->
      <!--定义文件存放位置-->
      <file value="log4netfile.log" />
      <appendToFile value="true" />
      <rollingStyle value="Date" />
      <datePattern value="yyyyMMdd-HH:mm:ss" />
      <layout type="log4net.Layout.PatternLayout">
        <!--输出格式-->
        <!--样例：2008-03-26 13:42:32,111 [10] INFO  Log4NetDemo.MainClass [(null)] - info-->
        <conversionPattern value="记录时间：%date 线程ID:[%thread] 日志级别：%-5level 出错类：%logger property:[%property{NDC}] - 错误描述：%message%newline" />
      </layout>
    </appender>
    <!--定义输出到控制台命令行中-->
    <appender name="ConsoleAppender" type="log4net.Appender.ConsoleAppender">
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="%date [%thread] %-5level %logger [%property{NDC}] - %message%newline" />
      </layout>
    </appender>
    <!--定义输出到windows事件中-->
    <appender name="EventLogAppender" type="log4net.Appender.EventLogAppender">
      <layout type="log4net.Layout.PatternLayout">
        <conversionPattern value="%date [%thread] %-5level %logger [%property{NDC}] - %message%newline" />
      </layout>
    </appender>
    <!--定义输出到数据库中，这里举例输出到Access数据库中，数据库为C盘的log4net.mdb-->
    <appender name="AdoNetAppender_Access" type="log4net.Appender.AdoNetAppender">
      <connectionString value="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:log4net.mdb" />
      <commandText value="INSERT INTO LogDetails ([LogDate],[Thread],[Level],[Logger],[Message]) VALUES (@logDate, @thread, @logLevel, @logger,@message)" />
      <!--定义各个参数-->
      <parameter>
        <parameterName value="@logDate" />
        <dbType value="String" />
        <size value="240" />
        <layout type="log4net.Layout.PatternLayout">
          <conversionPattern value="%date" />
        </layout>
      </parameter>
      <parameter>
        <parameterName value="@thread" />
        <dbType value="String" />
        <size value="240" />
        <layout type="log4net.Layout.PatternLayout">
          <conversionPattern value="%thread" />
        </layout>
      </parameter>
      <parameter>
        <parameterName value="@logLevel" />
        <dbType value="String" />
        <size value="240" />
        <layout type="log4net.Layout.PatternLayout">
          <conversionPattern value="%level" />
        </layout>
      </parameter>
      <parameter>
        <parameterName value="@logger" />
        <dbType value="String" />
        <size value="240" />
        <layout type="log4net.Layout.PatternLayout">
          <conversionPattern value="%logger" />
        </layout>
      </parameter>
      <parameter>
        <parameterName value="@message" />
        <dbType value="String" />
        <size value="240" />
        <layout type="log4net.Layout.PatternLayout">
          <conversionPattern value="%message" />
        </layout>
      </parameter>
    </appender>
    <!--定义日志的输出媒介，下面定义日志以四种方式输出。也可以下面的按照一种类型或其他类型输出。-->
    <root>
      <!--文件形式记录日志-->
      <appender-ref ref="LogFileAppender" />
      <!--控制台控制显示日志-->
      <appender-ref ref="ConsoleAppender" />
      <!--Windows事件日志-->
      <appender-ref ref="EventLogAppender" />
      <!-- 如果不启用相应的日志记录，可以通过这种方式注释掉
      <appender-ref ref="AdoNetAppender_Access" />
      -->
    </root>
  </log4net>

  <memcache>
    <memcached  host ="127.0.0.1"  port ="11211"  weight ="2"   />
  </memcache >
</configuration>

<?xml version="1.0" encoding="utf-8"?>
<!-- 
This template was written to work with NHibernate.Test.
Copy the template to your NHibernate.Test project folder and rename it in hibernate.cfg.xml and change it 
for your own use before compile tests in VisualStudio.
-->
<!-- This is the System.Data.dll provider for SQL Server -->
<hibernate-configuration  xmlns="urn:nhibernate-configuration-2.2" >
    <session-factory name="NHibernate.Test123456">
        <property name="connection.driver_class">NHibernate.Driver.SqlClientDriver</property>
        <property name="connection.connection_string">

      <!--用于测试自动生成数据库表（不自动生成数据库）-->
      <!--<property name="hbm2ddl.auto">update</property>-->
      Server=(local);initial catalog=NHibernateSampleAutoCreateTable;Integrated Security=SSPI

      <!--Server=(local);initial catalog=NHibernateSample;Integrated Security=SSPI-->
    </property>
        <property name="dialect">NHibernate.Dialect.MsSql2008Dialect</property>

    <!--输出所有的SQL语句到控制台，一般开发打开这个-->
    <property name="show_sql">true</property>
    <!--整齐的SQL输出到控制台-->
    <property name="format_sql">true</property>
    <!--自动生成数据库表（不自动生成数据库）-->
    <property name="hbm2ddl.auto">update</property>
    <!--在数据表设计中如果采用了 bit 类型的字段，并且对应了业务类中类型为 bool 值，一定要如上设置下-->
    <property name="query.substitutions">true 1, false 0, yes ‘Y‘, no ‘N‘</property>
    
    <!--=======加入Nhibernate自身的HashtabeCache的二级缓存配置==开始===========================-->
    <!--1.配置二级缓存提供程序-->
    <!-- <property name="cache.provider_class">NHibernate.Cache.HashtableCacheProvider</property>-->
    <!--2.显式启用二级缓存-->
    <!--<property name ="cache.use_second_level_cache">true</property>-->
    <!--4.启动查询缓存-->
    <!--<property name="cache.use_query_cache">true</property>-->
    
    <!--=======加入Nhibernate自身的HashtabeCache的二级缓存配置==结束===========================-->
    
    <!--=======加入Nhibernate第三方二级缓存的memcache的配置===开始=============================-->
    <property name ="cache.provider_class" >NHibernate.Caches.MemCache.MemCacheProvider,NHibernate.Caches.MemCache</property >
    <property name ="cache.use_second_level_cache" >true</property>
    <property name ="cache.use_query_cache" >true</property>
    <property name ="cache.default_expiration" >300</property>
    <property name ="cache.region_prefix" >Demo</property>
    <!--=======加入Nhibernate第三方二级缓存的memcache的配置===结束=============================-->
    
    <!--实体类所在的程序集-->
    <mapping assembly="Model"/>
       <!--3.配置映射的二级缓存-->
    <class-cache class="Model.Customer,Model" usage="read-write"/>
    <!--<collection-cache collection ="集合名称" region="默认集合名称"
                      usage="read-write"/>-->

    </session-factory>
</hibernate-configuration>

<?xml version="1.0" encoding="utf-8" ?>
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" 
                   namespace="Model" 
                   assembly="Model" 
                    default-lazy="true">
  
  <class name="Model.Customer, Model"
         table="Customer"
         discriminator-value="0" lazy="true">
    <!--1.这个不是必须的，因为在nhibernate.cfg.xml文件中已经有了一个总配置
        2.cache标签必须在id标签前面
    -->
    <cache usage="read-write"/>
    <!--unsaved-value="0" 主键表中不需要定义，而是需要在子表中定义-->
    <id name="CustomerId"
        column="CustomerId"
        type="int" 
        unsaved-value="0">
      <generator class="native" />
      <!-- unsaved-value used to be null and generator was increment in h2.0.3 -->
    </id>

    <!--version标签必须放在Id后面，否则出错-->
    <version name="Version"/>

    <property name="FirstName" not-null="true">
      <column name="Firstname" length="50" not-null="true"/>
    </property>

    <property name="LastName" type="String">
      <column name="Lastname"/>
    </property>

    <property name="Age" type="int">
      <column name="Age"/>
    </property>

    <!--双向关联时要用：
         inverse:由子表来维护关系,cascade:级联的关系 如果没有这个设置，
        插入Customer成功（即使现在Order插入Order抛异常，这时产生了垃圾数据，
        好的做法是用事务两者都能插入，避免垃圾数据的产生-->
    <!--经测试：只需要在主表配置cascade="all"，而子表不用配置cascade="all"，
    当删除主表实体时，子表的级联实体也会被删除-->
    <!--cascade有几种？？是吗？？，分别表示级联操作的4种操作：
      cascade = "none": 不能执行操作（有子时不给删父），经测试，为none时，添加父时没有自动添加子
      cascade = "delete" : 1.级联（删父时删子），经测试，为delete时，添加父时自动添加子，
                        2.经测试，当设置cascade = "all"，MS SQL Server设置删除和更新操作虽然设置为：不执行操作，却被覆盖为联级
      cascade = "null": （删父时子设置为null），但经测试Nhibernate不支持这个值
      cascade = "？？？": 删父时子设置为默认值
      cascade = "save-update":
      cascade = "delete":
      cascade = "all":
      cascade = "all-delete-orphan"：
       -->
    <set name="Orders" table="Order"  lazy="false"
         generic="true"
          inverse="false" cascade="all">
      <!--二级缓存策略-->
      <cache usage="read-write"/>
      <key column="CustomerId" foreign-key="FK_CustomerOrders"/> 
      <one-to-many class="Model.Order,Model"/>
    </set>
  </class>
</hibernate-mapping>

        [TestMethod]
        public void TestSessionFactoryCacheGetCustomerHavingNotOrders()
        {
            CustomerService customerService = new CustomerService();

            Customer customer = new Customer()
            {
                FirstName = "Test",
                LastName = "TestSessionFactoryCache",
                Age = 10
            };
            customerService.Add(customer);
            int customerId = customer.CustomerId;

            Console.WriteLine("第1次获取数据------------------------------：");
            Customer customerGet1 = customerService.Get(customerId);
            Console.WriteLine("Id:{0}-->FirtstName:{1}"
                , customerGet1.CustomerId, customerGet1.FirstName);


            Console.WriteLine("第2次获取数据==============================：");
            Customer customerGet2 = customerService.Get(customerId);
            Console.WriteLine("Id:{0}-->FirtstName:{1}"
                , customerGet2.CustomerId, customerGet2.FirstName);

            Console.WriteLine("第3次获取数据==============================：");
            Customer customerGet3 = customerService.Get(customerId);
            Console.WriteLine("Id:{0}-->FirtstName:{1}"
                , customerGet3.CustomerId, customerGet3.FirstName);

        }

NHibernate: 
    INSERT 
    INTO
        Customer
        (Version, Firstname, Lastname, Age) 
    VALUES
        (@p0, @p1, @p2, @p3);
    select
        SCOPE_IDENTITY();
    @p0 = 1 [Type: Int32 (0)],
    @p1 = ‘Test‘ [Type: String (50)],
    @p2 = ‘TestSessionFactoryCache‘ [Type: String (4000)],
    @p3 = 10 [Type: Int32 (0)]
第1次获取数据------------------------------：
NHibernate: 
    SELECT
        customer0_.CustomerId as CustomerId0_0_,
        customer0_.Version as Version0_0_,
        customer0_.Firstname as Firstname0_0_,
        customer0_.Lastname as Lastname0_0_,
        customer0_.Age as Age0_0_ 
    FROM
        Customer customer0_ 
    WHERE
        customer0_.CustomerId=@p0;
    @p0 = 232 [Type: Int32 (0)]
NHibernate: 
    SELECT
        orders0_.CustomerId as CustomerId1_,
        orders0_.OrderId as OrderId1_,
        orders0_.OrderId as OrderId1_0_,
        orders0_.Version as Version1_0_,
        orders0_.OrderDate as OrderDate1_0_,
        orders0_.CustomerId as CustomerId1_0_ 
    FROM
        [
    Order] orders0_ WHERE
        orders0_.CustomerId=@p0;
    @p0 = 232 [Type: Int32 (0)]
Id:232-->FirtstName:Test
第2次获取数据==============================：
Id:232-->FirtstName:Test
第3次获取数据==============================：
Id:232-->FirtstName:Test

[TestMethod]
        public void TestSessionFactoryCacheGetCustomerHavingOrders()
        {
            CustomerService customerService = new CustomerService();
            Customer customer = new Customer()
            {
                FirstName = "Test",
                LastName = "TestSessionFactoryCache",
                Age = 10
            };
            Order order1 = new Order()
            {
                OrderDate = DateTime.Now,
                Customer = customer
            };
            customer.Orders.Add(order1);
            customerService.Add(customer);

            Console.WriteLine("第1次获取数据------------------------------：");
            Customer customerGet1 = customerService.Get(customer.CustomerId);
            Console.WriteLine("Id:{0}-->FirtstName:{1}"
                ,customerGet1.CustomerId,customerGet1.FirstName);


            Console.WriteLine("第2次获取数据==============================：");
            Customer customerGet2 = customerService.Get(customer.CustomerId);
            Console.WriteLine("Id:{0}-->FirtstName:{1}"
                , customerGet2.CustomerId, customerGet2.FirstName);

            Console.WriteLine("第3次获取数据==============================：");
            Customer customerGet3 = customerService.Get(customer.CustomerId);
            Console.WriteLine("Id:{0}-->FirtstName:{1}"
                , customerGet3.CustomerId, customerGet3.FirstName);

        }

NHibernate: 
    INSERT 
    INTO
        Customer
        (Version, Firstname, Lastname, Age) 
    VALUES
        (@p0, @p1, @p2, @p3);
    select
        SCOPE_IDENTITY();
    @p0 = 1 [Type: Int32 (0)],
    @p1 = ‘Test‘ [Type: String (50)],
    @p2 = ‘TestSessionFactoryCache‘ [Type: String (4000)],
    @p3 = 10 [Type: Int32 (0)]
NHibernate: 
    INSERT 
    INTO
        [
        
    Order] (
        Version, OrderDate, CustomerId
    ) 
VALUES
    (@p0, @p1, @p2);
    select
        SCOPE_IDENTITY();
    @p0 = 1 [Type: Int32 (0)],
    @p1 = 2014/5/30 13:56:11 [Type: DateTime (0)],
    @p2 = 234 [Type: Int32 (0)]
第1次获取数据------------------------------：
NHibernate: 
    SELECT
        customer0_.CustomerId as CustomerId0_0_,
        customer0_.Version as Version0_0_,
        customer0_.Firstname as Firstname0_0_,
        customer0_.Lastname as Lastname0_0_,
        customer0_.Age as Age0_0_ 
    FROM
        Customer customer0_ 
    WHERE
        customer0_.CustomerId=@p0;
    @p0 = 234 [Type: Int32 (0)]
NHibernate: 
    SELECT
        orders0_.CustomerId as CustomerId1_,
        orders0_.OrderId as OrderId1_,
        orders0_.OrderId as OrderId1_0_,
        orders0_.Version as Version1_0_,
        orders0_.OrderDate as OrderDate1_0_,
        orders0_.CustomerId as CustomerId1_0_ 
    FROM
        [
    Order] orders0_ WHERE
        orders0_.CustomerId=@p0;
    @p0 = 234 [Type: Int32 (0)]
Id:234-->FirtstName:Test
第2次获取数据==============================：
NHibernate: 
    SELECT
        order0_.OrderId as OrderId1_0_,
        order0_.Version as Version1_0_,
        order0_.OrderDate as OrderDate1_0_,
        order0_.CustomerId as CustomerId1_0_ 
    FROM
        [
    Order] order0_ WHERE
        order0_.OrderId=@p0;
    @p0 = 49 [Type: Int32 (0)]
Id:234-->FirtstName:Test
第3次获取数据==============================：
NHibernate: 
    SELECT
        order0_.OrderId as OrderId1_0_,
        order0_.Version as Version1_0_,
        order0_.OrderDate as OrderDate1_0_,
        order0_.CustomerId as CustomerId1_0_ 
    FROM
        [
    Order] order0_ WHERE
        order0_.OrderId=@p0;
    @p0 = 49 [Type: Int32 (0)]
Id:234-->FirtstName:Test

NHibernate: 
    INSERT 
    INTO
        Customer
        (Version, Firstname, Lastname, Age) 
    VALUES
        (@p0, @p1, @p2, @p3);
    select
        SCOPE_IDENTITY();
    @p0 = 1 [Type: Int32 (0)],
    @p1 = ‘Test‘ [Type: String (50)],
    @p2 = ‘TestSessionFactoryCache‘ [Type: String (4000)],
    @p3 = 10 [Type: Int32 (0)]
NHibernate: 
    INSERT 
    INTO
        [
        
    Order] (
        Version, OrderDate, CustomerId
    ) 
VALUES
    (@p0, @p1, @p2);
    select
        SCOPE_IDENTITY();
    @p0 = 1 [Type: Int32 (0)],
    @p1 = 2014/5/30 13:58:16 [Type: DateTime (0)],
    @p2 = 235 [Type: Int32 (0)]
第1次获取数据------------------------------：
NHibernate: 
    SELECT
        customer0_.CustomerId as CustomerId0_0_,
        customer0_.Version as Version0_0_,
        customer0_.Firstname as Firstname0_0_,
        customer0_.Lastname as Lastname0_0_,
        customer0_.Age as Age0_0_ 
    FROM
        Customer customer0_ 
    WHERE
        customer0_.CustomerId=@p0;
    @p0 = 235 [Type: Int32 (0)]
Id:235-->FirtstName:Test
第2次获取数据==============================：
Id:235-->FirtstName:Test
第3次获取数据==============================：
Id:235-->FirtstName:Test

public void TestSessionFactoryCacheGetCustomerHavingNotOrders()
        {
            CustomerService customerService = new CustomerService();

            Customer customer = new Customer()
            {
                FirstName = "Test",
                LastName = "TestSessionFactoryCache",
                Age = 10
            };
            customerService.Add(customer);
            int customerId = customer.CustomerId;

            Console.WriteLine("第1次获取数据------------------------------：");
            Customer customerGet1 = customerService.Get(customerId);
            Console.WriteLine("Id:{0}-->FirtstName:{1}"
                , customerGet1.CustomerId, customerGet1.FirstName);


            Console.WriteLine("第2次获取数据==============================：");
            Customer customerGet2 = customerService.Get(customerId);
            Console.WriteLine("Id:{0}-->FirtstName:{1}"
                , customerGet2.CustomerId, customerGet2.FirstName);

            Console.WriteLine("第3次获取数据==============================：");
            Customer customerGet3 = customerService.Get(customerId);
            Console.WriteLine("Id:{0}-->FirtstName:{1}"
                , customerGet3.CustomerId, customerGet3.FirstName);

        }

NHibernate: 
    INSERT 
    INTO
        Customer
        (Version, Firstname, Lastname, Age) 
    VALUES
        (@p0, @p1, @p2, @p3);
    select
        SCOPE_IDENTITY();
    @p0 = 1 [Type: Int32 (0)],
    @p1 = ‘Test‘ [Type: String (50)],
    @p2 = ‘TestSessionFactoryCache‘ [Type: String (4000)],
    @p3 = 10 [Type: Int32 (0)]
第1次获取数据------------------------------：
NHibernate: 
    SELECT
        customer0_.CustomerId as CustomerId0_0_,
        customer0_.Version as Version0_0_,
        customer0_.Firstname as Firstname0_0_,
        customer0_.Lastname as Lastname0_0_,
        customer0_.Age as Age0_0_ 
    FROM
        Customer customer0_ 
    WHERE
        customer0_.CustomerId=@p0;
    @p0 = 241 [Type: Int32 (0)]
Id:241-->FirtstName:Test
第2次获取数据==============================：
NHibernate: 
    SELECT
        customer0_.CustomerId as CustomerId0_0_,
        customer0_.Version as Version0_0_,
        customer0_.Firstname as Firstname0_0_,
        customer0_.Lastname as Lastname0_0_,
        customer0_.Age as Age0_0_ 
    FROM
        Customer customer0_ 
    WHERE
        customer0_.CustomerId=@p0;
    @p0 = 241 [Type: Int32 (0)]
Id:241-->FirtstName:Test
第3次获取数据==============================：
NHibernate: 
    SELECT
        customer0_.CustomerId as CustomerId0_0_,
        customer0_.Version as Version0_0_,
        customer0_.Firstname as Firstname0_0_,
        customer0_.Lastname as Lastname0_0_,
        customer0_.Age as Age0_0_ 
    FROM
        Customer customer0_ 
    WHERE
        customer0_.CustomerId=@p0;
    @p0 = 241 [Type: Int32 (0)]
Id:241-->FirtstName:Test