<hibernate-mapping>
    <class name="omni.user.UserBean" table="users"
     dynamic-update="false" dynamic-insert="false">

        <id name="id" column="id" type="long" unsaved-value="-1" >
            <generator class="native">
            </generator>
        </id>

        <property name="email" type="java.lang.String" update="true"
            insert="true" column="email" not-null="true" unique="true" />

        <property name="password" type="java.lang.String" update="true"
            insert="true" column="password" not-null="true" unique="false"
        />

        <one-to-one name="address" class="omni.user.AddressBean"
            cascade="all" outer-join="auto" constrained="true" />

        <one-to-one name="profile" class="omni.user.ProfileBean"
            cascade="all" outer-join="auto" constrained="true" />

    </class>
</hibernate-mapping>

UserBean user = new UserBean();
user.setEmail(testEmail1);
user.setPassword("hello");
user.getProfile().setRole("user");
user.getAddress().setCity("detroit");
...
Session s = openSession();
s.save(user);
...