Employee hibernate mapping for hibernate 4 example

employee.hbm.xml

<?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">

<hibernate-mapping package="com.cc.example.hibernate">
<class name="com.cc.example.hibernate.Employee" table="EMPLOYEE">
<id name="id" type="long" column="ID" length="20">
<generator class="assigned"/>
</id>
<property name="firstName" column="FIRSTNAME" type="string" length="20">
</property>
<property name="lastName" column="LASTNAME" type="string" length="20">
</property>
<property name="email" column="EMAIL" type="string" length="50">
</property>
</class>
</hibernate-mapping>