package org.jbpm.identity;

import java.io.Serializable;

public class Version  implements Serializable {

   private static final long serialVersionUID = 1L;
   
   long id = 0;
   
   private double version = 0.0;
   
   public Version() {   
   }
   
   public Version(double version) {
      this.version = version;
   }
   
   public void setId(long id) {
      this.id = id;
   }

   public long getId() {
      return id;
   }
   
   public double getVersion() {
      return version;
   }   

   public void setVersion(double version) {
      this.version = version;
   }
}

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

  <class name="org.jbpm.identity.Version"
         table="JBPM_ID_VERSION"
         discriminator-value="U">
    <id name="id" column="ID_"><generator class="native" /></id>
    <discriminator type="char" column="CLASS_"/>
    <property name="version" column="VERSION_" type="java.lang.Double"/>
  </class>

</hibernate-mapping>

<?xml version='1.0' encoding='utf-8'?>

<!DOCTYPE hibernate-configuration PUBLIC
          "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
          "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">

<hibernate-configuration>
  <session-factory>

    <!-- jdbc connection properties -->
    <property name="hibernate.dialect">org.hibernate.dialect.HSQLDialect</property>
    <property name="hibernate.connection.driver_class">org.hsqldb.jdbcDriver</property>
    <property name="hibernate.connection.url">jdbc:hsqldb:.;sql.enforce_strict_size=true</property>
    <property name="hibernate.connection.username">sa</property>
    <property name="hibernate.connection.password"></property>
       
    <!-- c3p0 connection pooling properties
    <property name="hibernate.c3p0.min_size">1</property>
    <property name="hibernate.c3p0.max_size">3</property>
    -->

    <!-- other hibernate properties -->
    <property name="hibernate.show_sql">true</property>
    <property name="hibernate.hbm2ddl.auto">update</property>

    <!--identity mapping files -->
    <!-- uncomment if you don't want to use the default jBPM identity mgmgt component -->
    <mapping resource="org/jbpm/identity/User.hbm.xml"/>
    <mapping resource="org/jbpm/identity/Group.hbm.xml"/>
    <mapping resource="org/jbpm/identity/Membership.hbm.xml"/>
    <mapping resource="org/jbpm/identity/Version.hbm.xml"/>

    <!-- graph.def mapping files -->
    <mapping resource="org/jbpm/graph/def/ProcessDefinition.hbm.xml"/>
...

   public void addVersion(Double version) {
      Version v = new Version(version.doubleValue());
      JbpmSession jbpmSession = JbpmSessionFactory.getInstance()
            .openJbpmSession();
      session = new IdentitySession(jbpmSession.getSession());
      session.beginTransaction();
      session.saveVersion(v);
      session.commitTransactionAndClose();
      jbpmSession.close();
   }

public void saveVersion(Version version) {
      session.save(version);
   }