PriceListDefinition mapping

PriceList

  <class xmlns="urn:nhibernate-mapping-2.2" lazy="true" schema="timetables" name="PriceList" table="PriceLists">
    <id name="ID/>
    <discriminator type="String">
      <column name="discriminator" />
    </discriminator>
    <version name="Version">
      <column name="Version" />
    </version>
    <property name="Number" type="System.Int32">
      <column name="Number" not-null="true" />
    </property>
    <subclass name="ByKilometer" />
    <subclass name="ByTabularItem" />
  </class>

PriceListDefinition

  <class xmlns="urn:nhibernate-mapping-2.2" lazy="true" schema="timetables" name="PriceListDefinition" table="PriceListDefinitions">
    <id name="ID"/>
    <discriminator type="String">
      <column name="discriminator" />
    </discriminator>
    <property name="Priority" type="System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
      <column name="Priority" not-null="true" />
    </property>
    <many-to-one cascade="save-update" class="CourseVariant" foreign-key="FK_PriceListDefinitions_CourseVariant" lazy="proxy" name="CourseVariant">
      <column name="CourseVariant_Id" index="IX_PriceListDefinitions_CourseVariant" not-null="false" />
    </many-to-one>
    <subclass name="KilometerDefinition">
      <many-to-one access="field.camelcase-underscore" cascade="save-update" class="ByKilometer" foreign-key="FK_KilometerDefinitions_PriceList" lazy="no-proxy" name="PriceList">
        <column name="PriceList_Id" index="IX_KilometerDefinitions_PriceList" not-null="false" />
      </many-to-one>
    </subclass>
    <subclass name="TabularDefinition">
      <many-to-one access="field.camelcase-underscore" cascade="save-update" class="ByTabularItem" foreign-key="FK_TabularDefinitions_PriceList" lazy="no-proxy" name="PriceList">
        <column name="PriceList_Id" index="IX_TabularDefinitions_PriceList" not-null="false" />
      </many-to-one>
    </subclass>
  </class>

I gave up. Replaced reference to PriceListId property.