2011-11-20 93 views
1

这是我第一次在hibernate中使用ComboPooledDataSource,但我认为我的配置有问题,所以当我调用DAO从数据库检索所有数据时,这不会返回任何结果。Spring MVC + ComboPooledDataSource(休眠)

GenView

@RequestMapping(value="/getHospitals.ajax") 
public @ResponseBody Map<String,? extends Object> loadHospitals(){ 

    HashMap<String, List<Hastaneler>> modelMap = new HashMap<String,List<Hastaneler>>(); 
modelMap.put("hastaneler", genBUS.getHospitals()); 

return modelMap;  
} 

GenBUS

@Service 
@Transactional(isolation = Isolation.DEFAULT, readOnly = false, propagation = Propagation.REQUIRED) 
public class GenBUS implements IGenBUS { 

    private Log log = LogFactory.getLog(GenBUS.class); 

    @Autowired 
    private SessionClientData scd; 

    @Autowired 
    private GenDAO genDAO; 

    private JdbcTemplate jdbcTemplate; 

    @Autowired 
    private ComboPooledDataSource comboPooledDataSource; 

    @PostConstruct 
    public void dataSource2JdbcTemplate() { 
     this.jdbcTemplate = new JdbcTemplate(comboPooledDataSource); 
    } 

    public GenDAO getGenDAO() { 
     return genDAO; 
    } 

     @Override 
    public List<User> getHospitals() { 
     return genDAO.loadAllObject(User.class); 
    } 

GenDAO

@Repository 
public class GenDAO extends BaseDAO{ 

    private Log log = LogFactory.getLog(GenDAO.class); 


    @Autowired 
    private SessionClientData scd; 

    @Autowired 
    private ComboPooledDataSource comboPooledDataSource; 

    private JdbcTemplate jdbcTemplate; 

    @PostConstruct 
    public void dataSource2JdbcTemplate() { 
     this.jdbcTemplate = new JdbcTemplate(comboPooledDataSource); 
    } 


    @Autowired 
    public GenDAO(SessionFactory sessionFactory) { 
     logger.debug("GenDAO constructor is called !!!!!!!!"); 
     System.out.println("genDaoooooooooooooooo....."); 
     setSessionFactory(sessionFactory); 
    } 

个BaseDAO

public class BaseDAO extends HibernateDaoSupport { 

    protected org.hibernate.impl.SessionFactoryImpl baseSessionFactory; 

     public<T> List<T> loadAllObject(Class<T> clazz) { 

     return (List<T>) getHibernateTemplate().loadAll(clazz); 
    } 

dao.xml

<beans xmlns="http://www.springframework.org/schema/beans" 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xmlns:aop="http://www.springframework.org/schema/aop" 
    xmlns:context="http://www.springframework.org/schema/context" 
    xmlns:mvc="http://www.springframework.org/schema/mvc" 
    xmlns:tx="http://www.springframework.org/schema/tx" 
    xmlns:util="http://www.springframework.org/schema/util" 
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd 
     http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd 
     http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd 
     http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd 
     http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd 
     http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.0.xsd"> 

    <tx:annotation-driven proxy-target-class="true" transaction-manager="transactionManager" /> 

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

    <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer" > 
     <property name="location" value="classpath:/resources/test.properties"/> 
    </bean> 

    <bean id="comboPooledDataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close"> 
     <property name="driverClass" value="${database.driverClass}"/> 
     <property name="jdbcUrl" value="${database.url}"/>  

     <property name="properties"> 
      <props> 
       <prop key="user">${database.user}</prop> 
       <prop key="password">${database.password}</prop> 
      </props> 
     </property> 

     <!--<property name="user" value="${database.user}"/> 
     <property name="password" value="${database.password}"/> --> 

     <property name="maxPoolSize" value="50"/> 
     <property name="initialPoolSize" value="2"/> 
     <property name="minPoolSize" value="1"/> 
     <property name="maxStatements" value="200"/> 
     <property name="maxIdleTime" value="300"/> 
     <property name="acquireIncrement" value="10"/> 
     <property name="unreturnedConnectionTimeout" value="90"/> 
     <property name="maxConnectionAge" value="120"/> 
    </bean> 



    <bean id="baseSessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean"> 
     <property name="dataSource" ref="comboPooledDataSource"/> 
    <!-- <property name="entityInterceptor"> 
      <bean class="generic.logging.AuditTrailInterceptor"/> 
     </property> --> 
     <property name="packagesToScan"> 
      <list> 
       <value>model.GenUser</value> 
       <value>model.Hastaneler</value> 
       <value>model.Hastanelerim</value> 
       <value>model.User</value> 
      </list> 
     </property> 
     <property name="cacheProvider" ref="ehCacheProvider"/> 
     <property name="hibernateProperties"> 
      <props> 
       <prop key="hibernate.transaction.factory_class">org.hibernate.transaction.JDBCTransactionFactory</prop> 
       <prop key="hibernate.max_fetch_depth">2</prop> 
       <prop key="hibernate.cache.provider_class">org.hibernate.cache.EhCacheProvider</prop> 
       <prop key="hibernate.cache.use_query_cache">true</prop> 
       <prop key="hibernate.cache.use_second_level_cache">true</prop> 
       <prop key="hibernate.dialect">${database.dialect}</prop> 
       <prop key="hibernate.show_sql">true</prop> 
       <prop key="hibernate.use_sql_comments">true</prop> 
       <prop key="hibernate.format_sql">false</prop> 
       <prop key="hibernate.generate_statistics">true</prop> 
       <prop key="current_session_context_class">thread</prop> 
       <!--<prop key="hibernate.hbm2ddl.auto">none</prop>--> 
      </props> 
     </property> 
     <!-- <property name="eventListeners"> 
      <map> 
       <entry key="pre-insert"><bean class="generic.logging.HibernateAuditLogListener"/></entry> 
       <entry key="pre-delete"><bean class="generic.logging.HibernateAuditLogListener"/></entry> 
       <entry key="pre-update"><bean class="generic.logging.HibernateAuditLogListener"/></entry> 
     </map> 
     </property>--> 
    </bean> 


    <bean id="ehCacheProvider" class="org.hibernate.cache.EhCacheProvider"/> 
</beans> 

test.properties

database.url=jdbc:mysql://127.0.0.1:3306/acilservis 
database.driverClass=com.mysql.jdbc.Driver 
database.user=root 
database.password= 
database.dialect=org.hibernate.dialect.MySQLDialect 
format_sql=true 
show_sql=true 

我使用MySQL的InnoDB数据库引擎...任何建议?

回答

3

我已经通过更改jdbcTemplate解决了这个问题...我重新配置它以使用我的sessionFactory,并且工作:)