[英]Configure hibernate's dialect using JNDI (with Spring)
I'm trying to configure a Spring+Hibernate web application using JNDI instead of a properties files. 我正在尝试使用JNDI而不是属性文件来配置Spring + Hibernate Web应用程序。 Everything works fine por database url, password, login, etc., but I can't get the dialect from the JNDI context.
通过数据库url,密码,登录名等一切都可以正常工作,但是我无法从JNDI上下文中获得方言。
I'm using this in my datatabase-context.xml: 我在我的datatabase-context.xml中使用它:
<bean id="databaseUrl" class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiName" value="java:comp/env/jdbc/url"/>
</bean>
<bean id="databaseDriver" class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiName" value="java:comp/env/jdbc/driver"/>
</bean>
<bean id="databaseUsername" class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiName" value="java:comp/env/jdbc/username"/>
</bean>
<bean id="databasePassword" class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiName" value="java:comp/env/jdbc/password"/>
</bean>
<bean id="databaseDialect" class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiName" value="java:comp/env/jdbc/dialect"/>
</bean>
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName" ref="databaseDriver"/>
<property name="url" ref="databaseUrl"/>
<property name="username" ref=databaseUsername"/>
<property name="password" ref="databasePassword"/>
<property name="maxWait" value="30000"/>
<property name="validationQuery" value="select 1"/>
<property name="maxActive" value="100"/>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<property name="packagesToScan">...</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.hbm2ddl.auto">update</prop>
<prop key="hibernate.show_sql">true</prop>
<!--<prop key="hibernate.dialect">org.hibernate.dialect.DerbyDialect</prop>-->
<!--<prop key="hibernate.dialect">org.hibernate.dialect.MySQL5InnoDBDialect</prop>-->
</props>
</property>
</bean>
The problem is that I don't know how to use the JNDI value for databaseDialect inside the <prop name="hibernate.dialect">blabla</prop>
property. 问题是我不知道如何在
<prop name="hibernate.dialect">blabla</prop>
属性中使用JNDI值作为databaseDialect。
Any ideas? 有任何想法吗?
Spring can convert a Map
to a Properties
object, so you can do the following: Spring可以将
Map
转换为Properties
对象,因此您可以执行以下操作:
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="hibernateProperties">
<util:map>
<entry key="hibernate.hbm2ddl.auto" value="update" />
<entry key="hibernate.show_sql" value="true" />
<entry key="hibernate.dialect">
<jee:jndi-lookup jndi-name="java:comp/env/jdbc/dialect" />
</entry>
</util:map>
</property>
</bean>
Reference: 参考:
Handles conversion from content
String
toProperties
object.处理从内容
String
到Properties
对象的转换。 Also handlesMap
toProperties
conversion, for populating aProperties
object via XML "map" entries.还处理“
Map
到Properties
转换,以通过XML“映射”条目填充“Properties
对象。
Source: PropertiesEditor
javadoc 来源:
PropertiesEditor
javadoc
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