Order.hbm.xml

<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping  package="org.hibernate.test.criteria">
  <class name="Order" table="t_order">
    <id name="orderId" column="order_id" type="int" unsaved-value="0" access="field" >
      <generator class="increment" />
    </id>
    <many-to-one name="orderAddress" cascade="all"/>
    <set name="orderLines" cascade="all-delete-orphan" access="field" inverse="true" fetch="select">
      <key column="order_id" />
      <one-to-many class="OrderLine" />
    </set>
    <set name="orderContacts" cascade="all-delete-orphan" access="field" fetch="select">
        <key column="order_id" />
        <many-to-many class="OrderContact" />
    </set>
  </class>
  <class name="OrderLine" table="order_line">
    <id name="lineId" column="order_line_id" type="int" unsaved-value="0" access="field" >
      <generator class="increment" />
    </id>
    <many-to-one name="order" column="order_id" class="Order" />
    <property name="articleId" column="article_id" type="string" />
  </class>
  <class name="OrderContact" table="order_contact">
    <id name="contactId" column="order_contact_id" type="int" unsaved-value="0" access="field" >
      <generator class="increment" />
    </id>
    <property name="contact" column="contact" type="string" />
    <set name="orders" access="field" inverse="true" fetch="select">
          <key column="contact_id" />
          <many-to-many class="Order" />
    </set>
  </class>
  <class name="OrderAddress">
      <id name="orderAddressId" type="int" unsaved-value="0" access="field" >
          <generator class="increment" />
      </id>
      <many-to-one name="deliveryAddress" class="Address" cascade="all" />
      <set name="notifiedAddresses" cascade="all"  inverse="false" fetch="select" >
          <key column="orderAddressId"/>
          <one-to-many class="Address"/>
      </set>
  </class>
   <class name="Address">
        <id name="addressId" column="address_id" type="int" unsaved-value="0" access="field" >
            <generator class="increment" />
        </id>
        <property name="addressText"/>
    </class>
</hibernate-mapping>