Hibernate version: 3.1.1

Hi,

I am wonder what is the best way to update my java table objects when I change my database model.

I like the fact that I can make changes to my database by altering my mapping xml file and use the "hibernate.hbm2ddl.auto" property in my Hibernate Configuration to push these changes to my database.


Is there a propery that I can set that would also regenerate my java classes to reflect these changes on startup as well? If not please let me know how these updates should be done (ie ... best practices).

Thanks
John


<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property name="hibernate.cglib.use_reflection_optimizer">true</property>
<property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="hibernate.connection.password">pmdev123</property>
<property name="hibernate.connection.url">jdbc:mysql://localhost:3309/test</property>
<property name="hibernate.connection.username">root</property>
<property name="hibernate.default_schema"></property>
<property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
<!-- Drop and re-create the database schema on startup -->
<property name="hibernate.hbm2ddl.auto">create</property>

<property name="show_sql">true</property>


<mapping resource="com/portal/model/TerauthUsr.hbm.xml"/>
<mapping resource="com/portal/model/TercrdmUsrGrp.hbm.xml"/>


</session-factory>
</hibernate-configuration>

hbm2java, in the hibernate tools

Thanks Chris for your reposnse.... Can I invoke hbm2java from my xml Conf on startup to generate these classes for me automatically?

If seen references in the hiberate documents that say to use an Ant build script.

How are you using it, qand if you are using ant can you provide a sample script?

Thanks Again,
John

it is designed to be run from ant which makes it very easy to have it recompile your POJOs on test start, or distribution, or whatever.

I've gotten hbm2java to work the old H2.4 way, I just started trying to get it working using the new h-tools way and haven't gotten it to work yet.

if you search the hibernate-tools forum, there is some information there... as well as the hibernate-tools website :)