Hibernate example source code file (ParentChildWithManyToOne.hbm.xml)

This example Hibernate source code file (ParentChildWithManyToOne.hbm.xml) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Hibernate tags/keywords

child, child, doctype, doctype, dtd, hibernate/hibernate, mapping, mapping, parent, parent, public, this

The Hibernate ParentChildWithManyToOne.hbm.xml source code

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC 
	"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
	"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">

<!--

  This mapping illustrates use of <natural-id> with a many-to-one.
  
-->

<hibernate-mapping 
	package="org.hibernate.test.naturalid.immutable"
	default-access="field">
	
	<class name="Parent" table="Parent">
		<id name="id">
			<generator class="increment"/>
		</id>
		
		<property name="name"/>
		
		<bag name="children" inverse="true" cascade="all">
			<key column="parent" />
			<one-to-many class="Child" />
		</bag>

	</class>

	<class name="Child" table="Child">
		<id name="id">
			<generator class="increment"/>
		</id>
		
		<natural-id mutable="false">
			<many-to-one name="parent" class="Parent" />
			<property name="name"/>
		</natural-id>
	</class>
	
</hibernate-mapping>