c3p0在spring中的配置

 

<? xml   version = "1.0"   encoding = "UTF-8" ?>   
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN 2.0//EN" "http://www.springframework.org/dtd/spring-beans-2.0.dtd" >   
  
< beans >   
     < bean   id = "propertyConfigurer"   class = "org.springframework.beans.factory.config.PropertyPlaceholderConfigurer" >   
         < property   name = "locations" >   
             < list >   
                 < value > classpath*:config/jdbc.properties </ value >   
             </ list >   
         </ property >   
     </ bean >   
  
     <!-- ========================= RESOURCE DEFINITIONS ========================= -->   
     < bean   id = "dataSource"   class = "com.mchange.v2.c3p0.ComboPooledDataSource"   destroy-method = "close" >   
         < property   name = "driverClass"   value = "${jdbc.driverClassName}" />   
         < property   name = "jdbcUrl"   value = "${jdbc.url}" />   
         < property   name = "properties" >   
         < props >   
             < prop   key = "c3p0.minPoolSize" > 1 </ prop >     
             < prop   key = "hc3p0.maxPoolSize" > 10 </ prop >     
             < prop   key = "hc3p0.timeout" > 60 </ prop >     
             < prop   key = "c3p0.max_statement" > 50 </ prop >     
             < prop   key = "c3p0.testConnectionOnCheckout" > true </ prop >     
             < prop   key = "hibernate.c3p0.testConnectionOnCheckout" > false </ prop >   
             < prop   key = "user" > ${jdbc.username} </ prop >     
             < prop   key = "password" > ${jdbc.password} </ prop >   
         </ props >   
       </ property >   
     </ bean >   
  
     <!-- Transaction manager for a single JDBC DataSource -->   
     < bean   id = "transactionManager"   class = "org.springframework.jdbc.datasource.DataSourceTransactionManager" >   
         < property   name = "dataSource"   ref = "dataSource" />   
     </ bean >   
  
     <!-- SqlMap setup for iBATIS Database Layer -->   
     < bean   id = "sqlMapClient"   class = "org.springframework.orm.ibatis.SqlMapClientFactoryBean" >   
         < property   name = "configLocation"   value = "classpath:config/sql-map-config.xml" />   
         < property   name = "dataSource"   ref = "dataSource" />   
     </ bean >   
       
     < bean   id = "txProxyTemplate"   class = "org.springframework.transaction.interceptor.TransactionProxyFactoryBean"   
     lazy-init = "true" >        
         < property   name = "transactionManager" > < ref   bean = "transactionManager"   /> </ property >        
         <!--指明事务属性-->      
         < property   name = "transactionAttributes" >        
             < props >        
                 < prop   key = "insert*" > PROPAGATION_REQUIRED </ prop >        
                 < prop   key = "get*" > PROPAGATION_REQUIRED,readOnly </ prop >       
                 < prop   key = "save*" > PROPAGATION_REQUIRED </ prop >   
                 < prop   key = "remove*" > PROPAGATION_REQUIRED </ prop >   
                 < prop   key = "*" > PROPAGATION_REQUIRED,readOnly </ prop >     
             </ props >        
         </ property >        
     </ bean >         
  
</ beans >