Mega Code Archive
Map For Class Member Variable
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/////////////////////////////////////////////////////////////////////////
import java.util.*;
import org.hibernate.*;
import org.hibernate.criterion.*;
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, street_address VARCHAR, city VARCHAR, state VARCHAR, zip_Code VARCHAR);");
// hibernate code start
Session session = HibernateUtil.currentSession();
Transaction tx = session.beginTransaction();
Location location = new Location();
location.setName("USA");
location.getAddress().setStreetAddress("St.");
location.getAddress().setCity("Regina");
location.getAddress().setState("SK");
location.getAddress().setZipCode("22204");
Event event = new Event();
event.setName("Annual Meeting");
event.setDuration(60);
event.setStartDate(createDate(2004, 11, 1));
event.setLocation(location);
// session.save(location);
session.save(event);
tx.commit();
HibernateUtil.closeSession();
HibernateUtil.sessionFactory.close();
HibernateUtil.checkData("select * from events");
HibernateUtil.checkData("select * from locations");
// hibernate code end
}
private static Date createDate(int year, int month, int day) {
Calendar calendar = Calendar.getInstance();
calendar.set(year, month, day);
return calendar.getTime();
}
}
/////////////////////////////////////////////////////////////////////////
<?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="Event" table="events">
<id name="id" column="uid" type="long">
<generator class="increment"/>
</id>
<property name="name" type="string"/>
<property name="startDate" column="start_date"
type="date"/>
<property name="duration" type="integer"/>
<many-to-one name="location" column="location_id" class="Location" cascade="save-update" />
</class>
</hibernate-mapping>
/////////////////////////////////////////////////////////////////////////
import java.io.Serializable;
import java.util.Date;
public class Event implements Serializable {
private Long id;
private int duration;
private String name;
private Date startDate;
private Location location;
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 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;
}
public Event() { }
public Event(String name) { this.name = name; }
}
/////////////////////////////////////////////////////////////////////////
<?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="Location" table="locations">
<id name="id" column="uid" type="long">
<generator class="increment"/>
</id>
<property name="name" type="string"/>
<component name="address" class="Address" >
<property name="streetAddress" column="street_address" type="string"/>
<property name="city" type="string"/>
<property name="state" type="string"/>
<property name="zipCode" column="zip_code" type="string"/>
</component>
</class>
</hibernate-mapping>
/////////////////////////////////////////////////////////////////////////
import java.io.Serializable;
/**
* Uses component address field
*/
public class Location implements Serializable{
private Long id;
private String name;
private Address address = new Address();
public Location(String name) { this.name = name;}
public Location() { }
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 Address getAddress() { return address; }
public void setAddress(Address address) { this.address = address;}
}
/////////////////////////////////////////////////////////////////////////
<?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>
<!-- Database connection settings -->
<property name="connection.driver_class">org.hsqldb.jdbcDriver</property>
<property name="connection.url">jdbc:hsqldb:data/tutorial</property>
<property name="connection.username">sa</property>
<property name="connection.password"></property>
<!-- JDBC connection pool (use the built-in) -->
<property name="connection.pool_size">1</property>
<!-- SQL dialect -->
<property name="dialect">org.hibernate.dialect.HSQLDialect</property>
<!-- Echo all executed SQL to stdout -->
<property name="show_sql">true</property>
<mapping resource="Event.hbm.xml"/>
<mapping resource="Location.hbm.xml"/>
</session-factory>
</hibernate-configuration>
HibernateMapComponentForClassMemberVariable.zip( 4,583 k)
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