// Fields   

     private String category;
     private String description;


    // Constructors

    /** default constructor */
    public MCategory() {
    }

   /** minimal constructor */
    public MCategory(String category) {
        this.category = category;
    }
   
    /** full constructor */
    public MCategory(String category, String description) {
        this.category = category;
        this.description = description;
    }
   
    // Property accessors

    public String getDescription() {
        return this.description;
    }
   
    public void setDescription(String description) {
        this.description = description;
    }

   public String getCategory() {
      return category;
   }

   public void setCategory(String category) {
      this.category = category;
   }

   
}

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!-- Generated Apr 20, 2006 9:01:24 AM by Hibernate Tools 3.1.0 beta3 -->
<hibernate-mapping>
    <class name="my.com.shinyang.ilms.model.MCategory" table="m_category">
        <id name="category" type="string">
            <column name="CATEGORY" length="20" />
            <generator class="assigned" />
        </id>
        <property name="description" type="string">
            <column name="DESCRIPTION" length="100" />
        </property>
    </class>
</hibernate-mapping>

ses = ThreadLocalSession.currentSession();   
ses.save(category);
ses.flush();
return category;