<hibernate-mapping>
     <class name="com.some.package.MyClass" schema="schemaname" table="mytable">
         <id name="id" column="`ID`" type="long" unsaved-value="null">
             <generator class="assigned"/>
         </id>

         <discriminator column="`TYPE`" type="string" force="false"/>

         <version name="version" column="`VERSION`" type="long"/>

         <property name="MyNumber" column="`NUM`" type="string" length="50"/>
         <property name="memo" column="`MEMO`" type="text"/>
         <property name="signature" column="`SIGN`" type="string" length="50"/>
         <property name="created" column="`CREATED`" type="timestamp" not-null="true" update="false"/>
         <property name="updated" column="`UPDATED`" type="timestamp" insert="false"/>

         <component name="itinerary">
            <property name="origin" column="`ORIG`" type="text"/>
            <property name="destination" column="`DEST`" type="text"/>
         </component>
....
</class>
</hibernate-mapping>

<component name="itinerary">
    <property name="origin" column="`ORIG`" type="text"/>
    <property name="destination" column="`DEST`" type="text"/>
</component>