<taskdef name="hibernatetool" classname="org.hibernate.tool.ant.HibernateToolTask" classpathref="classpath"/>

    <target name="codegen">
        <hibernatetool destdir="${class.dir}">
            <configuration propertyfile="${props.dir}/hibernate.properties">
                <fileset dir="${hbm.dir}">
                    <include name="**/*.hbm.xml" />
                </fileset>
            </configuration>

            <hbm2java />
        </hibernatetool>
    </target>

<?xml version="1.0"?>

<!DOCTYPE hibernate-mapping PUBLIC
    "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
    "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping>

    <class name="springdemo.dao.Album" table="ALBUM">

        <id name="id" type="long">
            <column name="ID" not-null="true"/>
            <generator class="native"/>
        </id>

        <property name="name" column="NAME" length="64" not-null="true" />
        <property name="releaseDate" column="RELEASE_DATE" type="date" not-null="true"/>

        <many-to-one name="artist" column="ARTIST_ID" class="Artist" not-null="true" />

        <set name="tracks">
            <key column="ALBUM_ID" not-null="true" />
            <one-to-many class="Track" />
        </set>

    </class>

</hibernate-mapping>