19

我试图摆脱persistence.xmlSpring JPA Web 应用程序中的典型文件。到目前为止，我已经成功地注入EntityManager了以下内容：

@Configuration
@EnableTransactionManagement
public class JpaConfig {

    @Bean
    public LocalContainerEntityManagerFactoryBean entityManagerFactoryBean(){

        LocalContainerEntityManagerFactoryBean factoryBean
            = new LocalContainerEntityManagerFactoryBean();

        factoryBean.setDataSource( this.restDataSource() );
        factoryBean.setPackagesToScan( new String[ ] { "com.jverstry" } );
        factoryBean.setPersistenceUnitName("MyMy");

        JpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter(){
         {
            // JPA properties ...
         }
        };

        factoryBean.setJpaVendorAdapter( vendorAdapter );

        return factoryBean;

    }

    @Bean
    public DataSource restDataSource(){

        DriverManagerDataSource dataSource = new DriverManagerDataSource();

        dataSource.setDriverClassName("org.hsqldb.jdbcDriver");
        dataSource.setUrl("jdbc:hsqldb:mem:testdb");
        dataSource.setUsername("sa");
        dataSource.setPassword("");

        return dataSource;

    }

    @Bean
    public PlatformTransactionManager transactionManager(){

        JpaTransactionManager transactionManager = new JpaTransactionManager();

        transactionManager.setEntityManagerFactory(
            this.entityManagerFactoryBean().getObject() );

        return transactionManager;

    }

}

我设法为数据源移动了我的 persistence.xml 的属性：

<properties>
    ... 
    <property name="hibernate.dialect" value="org.hibernate.dialect.HSQLDialect"/>
    <property name="hibernate.hbm2ddl.auto" value="create"/>
</properties>

但是如何设置上面剩下的两个休眠属性？谢谢

4

2 回答 2

26

AbstractJpaVendorAdapterSpring 提供了一种使用(setDatabase()和setGenerateDdl()，虽然setGenerateDdl()不采用 DDL 模式) 以独立于提供者的方式配置这些选项的方法。

或者，您可以将任意属性传递给LocalContainerEntityManagerFactoryusing setJpaProperties()(or setJpaPropertyMap())：

Properties props = new Properties();
props.put("hibernate.dialect", "org.hibernate.dialect.HSQLDialect");
props.put("hibernate.hbm2ddl.auto", "create");
factoryBean.setJpaProperties(props);
于 2012-09-02T15:13:46.663 回答
5

这是一个老问题，但可能对使用 XML 进行配置的人有所帮助。

<bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
    <property name="persistenceUnitName" value="test-jpa"/>
    <property name="dataSource" ref="dataSourceProxy"/>
    <property name="jpaDialect">
        <bean class="org.springframework.orm.jpa.vendor.HibernateJpaDialect" />
    </property>

    <property name="jpaVendorAdapter">
        <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
            <property name="showSql" value="true"/>
            <property name="generateDdl" value="false"/>
            <property name="databasePlatform" value="org.hibernate.dialect.MySQLDialect"/>
            <property name="database" value="MYSQL"/>
        </bean>
    </property>
    <property name="jpaPropertyMap">
        <map>
            <entry key="hibernate.jdbc.batch_size" value="10"/>
            <entry key="hibernate.jdbc.fetch_size" value="10"/>
            <entry key="hibernate.order_inserts" value="true"/>
            <entry key="hibernate.order_updates" value="true"/>
            <entry key="hibernate.jdbc.batch_versioned_data" value="true"/>
            <entry key="hibernate.format_sql" value="true"/>
        </map>
    </property>
</bean>
于 2018-06-02T08:22:37.023 回答