<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping
    PUBLIC "-//Hibernate/Hibernate Mapping DTD//EN"
    "http://hibernate.sourceforge.net/hibernate-mapping-2.0.dtd">
<hibernate-mapping>   
           
    <typedef name="permission" class="GenericEnumUserType">   
        <param name="enumClassName">Permissions</param>
    </typedef>
   
       
    <class name="UserDetailsDao">       
       
        <id name="id">
            <generator class="increment"/>
        </id>
       
        <property name="password" type="string"/>
        <property name="name" type="string"/>
       
        <set name="permissions">
            <key column="id"/>
            <element type="permission"/>
        </set>
       
    </class>
</hibernate-mapping>

...
<mapping resource="UserDetailsDao.hbm.xml"/>
...