Use Two Sessions : Hibernate Session « Hibernate « Java

1. Java
2. Hibernate
3. Hibernate Session

Use Two Sessions

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

import java.util.*;

import org.hibernate.*;
import org.hibernate.criterion.*;

public class Main {
  
  
  public static void main(String[] args) {
    HibernateUtil.setup("create table EVENTS ( uid int, name VARCHAR, start_Date date, duration int);");
    
    // hibernate code start

        HibernateFactory.buildSessionFactory();

        Session session = HibernateFactory.openSession();
        Session session2 = HibernateFactory.openSession();

        Event event = new Event();
        event.setName("Name");

        session.save(event);
        session.flush();

        Event event2 = (Event) session2.load(Event.class, event.getId());
        System.out.println(event2.getName());

        

        HibernateUtil.checkData("select uid, name from events");        
    // hibernate code end
  }
  
}


/////////////////////////////////////////////////////////////////////////
<?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"/>
    </class>
</hibernate-mapping>





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

import java.io.Serializable;
import java.util.Date;
import java.util.Set;
import java.util.LinkedHashSet;

public class Event implements Serializable {
    private Long id;
    private int duration;
    private String name;
    private Date startDate;

    public Event() {

    }

    public Event(String name) {
        this.name = name;
    }

    /**
     * @hibernate.id generator-class="native" column="uid"
     * @return
     */
    public Long getId() { return id; }
    public void setId(Long id) { this.id = id; }

    /**
     * @hibernate.property column="name"
     * @return
     */
    public String getName() { return name; }
    public void setName(String name) { this.name = name;   }

    /**
     * @hibernate.property column="start_date"
     * @return
     */
    public Date getStartDate() { return startDate; }
    public void setStartDate(Date startDate) { this.startDate = startDate; }

    /**
     * @hibernate.property column="duration"
     * @return
     */
    public int getDuration() { return duration; }
    public void setDuration(int duration) { this.duration = duration; }

}



/////////////////////////////////////////////////////////////////////////
/**
 * Represents Exceptions thrown by the Data Access Layer.
 */
public class DataAccessLayerException extends RuntimeException {
    public DataAccessLayerException() {
    }

    public DataAccessLayerException(String message) {
        super(message);
    }

    public DataAccessLayerException(Throwable cause) {
        super(cause);
    }

    public DataAccessLayerException(String message, Throwable cause) {
        super(message, cause);
    }
}           
       

HibernateUseTwoSessions.zip( 4,580 k)

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