public static Person getPerson(String handle,String password) throws NoSuchElementException, HibernateException{
      //gets session for thread if not created,create one
      Session s = HibernateUtil.currentSession();
      
      Query query = s.createQuery("from data.Person as pers where pers.handle='"+handle+"' and " + " pers.password ='"+password+"'");
      Iterator i = query.iterate();
      
      return (Person)i.next();
   
   }

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
                            "-//Hibernate/Hibernate Mapping DTD 2.0//EN"
                            "http://hibernate.sourceforge.net/hibernate-mapping-2.0.dtd" >

<!-- Created Fri Jan 07 11:24:24 PST 2005                         -->
<hibernate-mapping package="data">

    <class name="Person" table="person">
        <id name="personId" column="Person_ID" type="java.lang.Integer">
            <generator class="native"/>
        </id>

        <property name="handle" column="Handle" type="java.lang.String"  not-null="true" />
        <property name="password" column="Password" type="java.lang.String"  not-null="true" />
        <property name="createddate" column="CreatedDate" type="java.lang.Long"  not-null="true" />
       <property name="name" column="FullName" type="java.lang.String"  not-null="true" />
       
       <set name="projects" table="person_owns_project" inverse="true" cascade ="all">
          <key column="FK_Person_ID"/>
          <many-to-many column="FK_Project_ID" class ="data.Project"/>
       </set>
      
       <joined-subclass name="Employee" table="employee">
        <key column="Employee_ID"/>
       </joined-subclass>
   
    </class>
   
</hibernate-mapping>

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
                            "-//Hibernate/Hibernate Mapping DTD 2.0//EN"
                            "http://hibernate.sourceforge.net/hibernate-mapping-2.0.dtd" >

<!-- Created Fri Jan 07 11:26:54 PST 2005                         -->
<hibernate-mapping package="data">

    <class name="Project" table="project">
        <id name="projectId" column="Project_ID" type="java.lang.Integer"  unsaved-value="0" >
            <generator class="native"/>
        </id>

        <property name="projectName" column="Project_name" type="java.lang.String"  not-null="true" />
        <property name="projectStartDate" column="Project_start_date" type="java.lang.Long"  not-null="true" />
   
       <set name="customers" table="person_owns_project" cascade="all" >
          <key column="FK_Project_ID"/>
          <many-to-many column="FK_Person_ID" class ="data.Person"/>
       </set>
      
       <set name="employees" table="employee_workson_project" cascade="all">
          <key column="FK_Project_ID"/>
          <many-to-many column="FK_Employee_ID" class ="data.Employee"/>
       </set>
      
       <list name="folders" table="Folder" cascade="all">
          <key column="FK_Project_ID"/>
          <index column="list_idx" />
          <one-to-many class="data.Folder"/>
       </list>

    </class>
   
</hibernate-mapping>