How do I change my XML to have hibernate to define the DataSource

can someone please show me how to change my XML to have hibernate to define the DataSource. I would like to see a good sample of it. Below is my xml file. can someone post what it would look like with hibernate defining the DataSource:

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
    xmlns:tx="http://www.springframework.org/schema/tx" xmlns:jdbc="http://www.springframework.org/schema/jdbc"

    xsi:schemaLocation="http://www.springframework.org/schema/beans 
                            http://www.springframework.org/schema/beans/spring-beans.xsd
                            http://www.springframework.org/schema/context 
                            http://www.springframework.org/schema/context/spring-context-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/jdbc
                            http://www.springframework.org/schema/jdbc/spring-jdbc-3.0.xsd">

    <context:property-placeholder location="classpath:jdbc.properties" />
    <context:component-scan base-package="org.uftwf" />
    <tx:annotation-driven transaction-manager="hibernateTransactionManager" />

    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
        destroy-method="close">

        <!-- these are C3P0 properties --> 
        <property name="acquireIncrement" value="${database.acquireIncrement}" />
        <property name="minPoolSize" value="${database.minPoolSize}" />
        <property name="maxPoolSize" value="${database.maxPoolSize}" />
        <property name="maxIdleTime" value="${database.maxIdleTime}" />
        <property name="idleConnectionTestPeriod" value="300" />

        <property name="driverClass" value="${database.driver}" />
        <property name="jdbcUrl" value="${database.url}" />
        <property name="user" value="${database.user}" />
        <property name="password" value="${database.password}" />
    </bean>

    <bean id="sessionFactory"
        class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
        <property name="annotatedClasses">
            <list>
                <value>org.uftwf.schoolvisit.model.VisitModel</value>
                <value>org.uftwf.schoolvisit.model.NameID_lookupModel</value>
                <value>org.uftwf.schoolvisit.model.School_lookupModel</value>
            </list>
        </property>

        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.dialect">${hibernate.dialect}</prop>
                <prop key="hibernate.show_sql">${hibernate.show_sql}</prop>
                <prop key="hibernate.use_sql_comments">${hibernate.use_sql_comments}</prop>
                <prop key="format_sql">${format_sql}</prop>
                <prop key="hibernate.c3p0.min_size">10</prop>
                <prop key="hibernate.c3p0.max_size">25</prop>
                <prop key="hibernate.c3p0.timeout">600</prop>
                <prop key="hibernate.c3p0.max_statements">0</prop>
                <prop key="hibernate.c3p0.idle_test_period">300</prop>
                <prop key="hibernate.c3p0.acquire_increment">5</prop>
            </props>
        </property>
    </bean>

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

This is a comment that someone made to me about my XML so I am trying to see what he is talking about:

You should simplify your own life by using those hibernate. properties to define the DataSource in order to avoid a maintenance nightmare down the road by mixing them. It will help to avoid confusion like this. And don't hardcode the values that you have data properties for.*

Answers


Should be like this:

src/main/resources/META-INF/persistence.xml:

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<persistence xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="2.0" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">
<persistence-unit name="persistenceUnit" transaction-type="RESOURCE_LOCAL">
    <provider>org.hibernate.ejb.HibernatePersistence</provider>
    <properties>
        <property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5InnoDBDialect"/>
        <!-- value="create" to build a new database on each run; value="update" to modify an existing database; value="create-drop" means the same as "create" but also drops tables when Hibernate closes; value="validate" makes no changes to the database -->
        <property name="hibernate.hbm2ddl.auto" value="update"/>
        <property name="hibernate.ejb.naming_strategy" value="org.hibernate.cfg.ImprovedNamingStrategy"/>
        <property name="hibernate.connection.charSet" value="UTF-8"/>
        <property name="show_sql" value="true"/>
        <!-- Uncomment the following two properties for JBoss only -->
        <!-- property name="hibernate.validator.apply_to_ddl" value="false" /-->
        <!-- property name="hibernate.validator.autoregister_listeners" value="false" /-->
    </properties>
</persistence-unit>
</persistence>

src/main/resources/META-INF/spring/applicationContext.xml:

<bean class="org.springframework.orm.jpa.JpaTransactionManager" id="transactionManager">
    <property name="entityManagerFactory" ref="entityManagerFactory"/>
</bean>
<tx:annotation-driven mode="aspectj" transaction-manager="transactionManager"/>
<bean class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean" id="entityManagerFactory">
    <property name="persistenceUnitName" value="persistenceUnit"/>
    <property name="dataSource" ref="dataSource"/>
</bean>

<bean class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close" id="dataSource">
    <property name="driverClassName" value="${database.driverClassName}"/>
    <property name="url" value="${database.url}"/>
    <property name="username" value="${database.username}"/>
    <property name="password" value="${database.password}"/>
    <property name="testOnBorrow" value="true"/>
    <property name="testOnReturn" value="true"/>
    <property name="testWhileIdle" value="true"/>
    <property name="timeBetweenEvictionRunsMillis" value="1800000"/>
    <property name="numTestsPerEvictionRun" value="3"/>
    <property name="minEvictableIdleTimeMillis" value="1800000"/>
    <property name="validationQuery" value="SELECT 1"/>
    <property name="initialSize" value="1"/>
    <property name="minIdle" value="1"/>
    <property name="maxActive" value="10"/>
    <property name="poolPreparedStatements" value="true"/>
    <property name="maxOpenPreparedStatements" value="20"/>
</bean>

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