ComboPool连接池的使用

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd">
<bean id="dataSource"
class="com.mchange.v2.c3p0.ComboPooledDataSource"
destroy-method="close">
<property name="driverClass">
<value>com.microsoft.jdbc.sqlserver.SQLServerDriver</value>
</property>
<property name="jdbcUrl">
<value>jdbc:microsoft:sqlserver://192.168.1.1:3306;DataBaseName=test</value>
</property>
<property name="user">
<value>root</value>
</property>
<property name="password">
<value></value>
</property>
<!--连接池中保留的最小连接数。-->
<property name="minPoolSize" value="3" />
<!--连接池中保留的最大连接数。Default: 15 -->
<property name="maxPoolSize" value="50" />
<!--最大空闲时间,1800秒内未使用则连接被丢弃。若为0则永不丢弃。Default: 0 -->
<property name="maxIdleTime" value="1800" />
<!--当连接池中的连接耗尽的时候c3p0一次同时获取的连接数。Default: 3 -->
<property name="acquireIncrement" value="2" />
<property name="maxStatements" value="1000" />
<property name="initialPoolSize" value="3" />
<!--每60秒检查所有连接池中的空闲连接-->
<property name="idleConnectionTestPeriod" value="60" />
<!--定义在从数据库获取新连接失败后重复尝试的次数。Default: 30 -->
<property name="acquireRetryAttempts" value="30" />
<property name="breakAfterAcquireFailure" value="false" />
<property name="testConnectionOnCheckout" value="false" />
</bean>
<bean id="SessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.SQLServerDialect
</prop>
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>
com/longflang/pojo/User.hbm.xml
</value>
list>
</property>
</bean>