我是比較討厭xml的人,沒有強類型,很多配置出錯,包括xdoclet都無法檢查。剛好現(xiàn)在的主流框架總算開始支持annotation了,所以玩了一下配置,供參考:
hibernate3.05
hibernate-annotations-3.0beta2
spring1.21
幾個配置文件如下:
spring-database.xml(這個文件基本不變,有新的dao在底下加入一行即可。
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">

<beans>

<!-- ========================= RESOURCE DEFINITIONS ========================= -->

<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName"><value>${jdbc.driverClassName}</value></property>
<property name="url"><value>${jdbc.url}</value></property>
<property name="username"><value>${jdbc.username}</value></property>
<property name="password"><value>${jdbc.password}</value></property>
</bean>

<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="configurationClass"><value>org.hibernate.cfg.AnnotationConfiguration</value></property>
<property name="dataSource"><ref bean="dataSource"/></property>
<property name="configLocation"><value>/hibernate.cfg.xml</value></property>
</bean>

<bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory"><ref bean="sessionFactory"/></property>
<property name="dataSource"><ref bean="dataSource"/></property>
</bean>

<bean class="org.springframework.aop.framework.autoproxy.DefaultAdvisorAutoProxyCreator"/>

<bean class="org.springframework.transaction.interceptor.TransactionAttributeSourceAdvisor">
<property name="transactionInterceptor"><ref bean="transactionInterceptor"/></property>
</bean>

<bean id="transactionInterceptor" class="org.springframework.transaction.interceptor.TransactionInterceptor">
<property name="transactionManager"><ref bean="transactionManager"/></property>
<property name="transactionAttributeSource">
<bean class="org.springframework.transaction.annotation.AnnotationTransactionAttributeSource"/>
</property>
</bean>

<!-- ========================= DAO DEFINITIONS ========================= -->

<bean id="testDao" class="org.steeven.TestDaoImpl">
<property name="sessionFactory">
<ref bean="sessionFactory"/>
</property>
</bean>
<!-- ========================= DAO DEFINITIONS ========================= -->
<bean id="mitService" class="org.steeven.TestServiceImpl"></bean>
</beans>

hibernate.cfg.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property name="hibernate.hbm2ddl.auto">create-drop</property>
<property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
<property name="hibernate.cglib.use_reflection_optimizer">true</property>
<property name="default-lazy">false</property>
<!-- 用于hibernate持久化的對象" -->
<mapping class="org.steeven.Test"/>
<listener type="pre-update" class="org.hibernate.validator.event.ValidatePreUpdateEventListener"/>
<listener type="pre-insert" class="org.hibernate.validator.event.ValidatePreInsertEventListener"/>
</session-factory>
</hibernate-configuration>

上面兩個就是配置文件的全部了。下面看看代碼:
TestDao.java(注意,就是個普通的dao,事務控制由調用者標注)
public class TestDaoImpl extends HibernateDaoSupport implements TestDao {
public void save(Test
data) {
getHibernateTemplate().saveOrUpdateAll(Arrays.asList(data));
}
}Test.java
@Entity
@Proxy(lazy = false)
public class Test {
int id;
String name;
Map<String, String> properties;
@Column(length = 100)
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}

@Id(generate = GeneratorType.AUTO)
public int getId() {
return id;
}

public void setId(int id) {
this.id = id;
}

@Transient
public String getNotStoredProp() {
return null;
}


@Type(type = "org.steeven.database.MapUserType")
@Column(name = "properties", length = 1000)
//Map暫時不被支持,自己持久化到一個大字段
public Map<String, String> getProperties() {
return properties;
}

public void setProperties(Map<String, String> properties) {
this.properties = properties;
}
}
TestServiceImpl.java(這個類也是從spring中取得,關鍵就在@Transactional標記)
@Transactional
public class TestServiceImpl implements TestService {
public void save(Test
data) {
TestDao dao = (TestDao)ServiceLocator.getInstance().getBean("testDao");
dao.save(data[0]);
if (true) throw new RuntimeException(); //看看數據庫是不是什么都沒有?!
dao.save(data[1]);
}
}
現(xiàn)在很清爽了,所有的事務控制只需要加幾個@Transaction標記。感謝hibernate+spring
另外,hibernate還提供了基于標記的參數校驗,請參考下面文檔:
參考資源:
spring1.21自帶smaples/jpetstore
http://www.hibernate.org/hib_docs/annotations/reference/en/html_single/
hibernate3.05
hibernate-annotations-3.0beta2
spring1.21
幾個配置文件如下:
spring-database.xml(這個文件基本不變,有新的dao在底下加入一行即可。














































<bean id="mitService" class="org.steeven.TestServiceImpl"></bean>



hibernate.cfg.xml



















上面兩個就是配置文件的全部了。下面看看代碼:
TestDao.java(注意,就是個普通的dao,事務控制由調用者標注)














































TestServiceImpl.java(這個類也是從spring中取得,關鍵就在@Transactional標記)










現(xiàn)在很清爽了,所有的事務控制只需要加幾個@Transaction標記。感謝hibernate+spring
另外,hibernate還提供了基于標記的參數校驗,請參考下面文檔:
參考資源:
spring1.21自帶smaples/jpetstore
http://www.hibernate.org/hib_docs/annotations/reference/en/html_single/