Reference Another Class in Map File : Map File « Hibernate « Java

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Java » Hibernate » Map FileScreenshots 
Reference Another Class in Map File

/////////////////////////////////////////////////////////////////////////

import java.util.Date;

import org.hibernate.Session;
import org.hibernate.Transaction;

public class SimpleRetrieveTest {
  
  
  public static void main(String[] args) {
    HibernateUtil.setup("create table EVENTS ( uid int, name VARCHAR, start_Date date, duration int, location_id int);");
    HibernateUtil.setup("create table locations ( uid int, name VARCHAR, address VARCHAR);");
    // hibernate code start
    Session session = HibernateUtil.currentSession();
    Transaction tx = session.beginTransaction();


        Location location = new Location();
        location.setName("USA");
        location.setAddress("Address");
        session.save(location);


        Event e= new Event();
        e.setId(11111L);
        e.setName("testSave");
        e.setStartDate(new Date());
        e.setLocation(location);
        e.setName("testSave");

    session.save(e);
    
    tx.commit();
    HibernateUtil.closeSession();

    HibernateUtil.sessionFactory.close();

    // hibernate code end
    
  
    HibernateUtil.checkData("select * from events;");
    

  }
}



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

<hibernate-mapping >
    <class name="Location" table="locations" lazy="true">
        <id name="id" column="uid" type="long">
            <generator class="native"/>
        </id>
        <property name="name" type="string"/>
        <property name="address" type="string"/>
    </class>
</hibernate-mapping>





/////////////////////////////////////////////////////////////////////////


public class Location {

    private Long id;
    private String name;
    private String address;

    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getAddress() {
        return address;
    }

    public void setAddress(String address) {
        this.address = address;
    }
}


/////////////////////////////////////////////////////////////////////////

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

<hibernate-mapping>
    <!--
    This is a simplified version of the Event class used to
    demonstrate proxies.
    -->
    <class name="Event" table="events">
        <id name="id" column="uid" type="long" unsaved-value="null">
            <generator class="assigned"/>
        </id>
        <property name="name" type="string" length="100"/>
        <property name="startDate" column="start_date"
                  type="date"/>
        <property name="duration" type="integer"/>
        <many-to-one name="location" column="location_id"
                     class="Location"/>
    </class>
</hibernate-mapping>



/////////////////////////////////////////////////////////////////////////

import java.util.Date;

public class Event {

  private Long id;
  private String name;
  private Date startDate;
  private int duration;
    private Location location;

  public void setId(Long id) {
    this.id = id;
  }
  
  public Long getId() {
    return id;
  }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public Date getStartDate() {
        return startDate;
    }

    public void setStartDate(Date startDate) {
        this.startDate = startDate;
    }

    public int getDuration() {
        return duration;
    }

    public void setDuration(int duration) {
        this.duration = duration;
    }

    public Location getLocation() {
        return location;
    }

    public void setLocation(Location location) {
        this.location = location;
    }


}




/////////////////////////////////////////////////////////////////////////
           
       
HibernateReferenceAnotherClassinMapFile.zip( 4,583 k)
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