15 Fetch EAGER LAZY.txt

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				   App.java
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package com.telusko.DemoHib;


import java.util.Collection;

import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
import org.hibernate.service.ServiceRegistry;
import org.hibernate.service.ServiceRegistryBuilder;

public class App 
{
    public static void main( String[] args )
    {
        
        Configuration config = new Configuration().configure().addAnnotatedClass(Laptop.class).addAnnotatedClass(Alien.class);    
        SessionFactory sf = config.buildSessionFactory();   
        Session session = sf.openSession();
        
        session.beginTransaction();
        
        Alien a1 = session.get(Alien.class, 1);
        
        System.out.println(a1.getAname());
//        Collection<Laptop> laps = a1.getLaps();
//        
//        for(Laptop l : laps)
//        {
//        	System.out.println(l);
//        }

        session.getTransaction().commit();
    }
}


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				Laptop.java
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package com.telusko.DemoHib;

import java.util.ArrayList;
import java.util.List;

import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.ManyToMany;
import javax.persistence.ManyToOne;

@Entity
public class Laptop 
{
	@Id
	private int lid;
	private String brand;
	private String price;
	@ManyToOne
	private Alien alien;
	
	public int getLid() {
		return lid;
	}
	public void setLid(int lid) {
		this.lid = lid;
	}
	public String getBrand() {
		return brand;
	}
	public void setBrand(String brand) {
		this.brand = brand;
	}
	public String getPrice() {
		return price;
	}
	public void setPrice(String price) {
		this.price = price;
	}
	public Alien getAlien() {
		return alien;
	}
	public void setAlien(Alien alien) {
		this.alien = alien;
	}
	

	
	
}

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				Alien.java
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package com.telusko.DemoHib;

import java.util.ArrayList;
import java.util.Collection;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.Id;
import javax.persistence.OneToMany;
import javax.persistence.Table;
import javax.persistence.Transient;


@Entity
public class Alien 
{
	@Id
	private int aid;
	private String aname;
	
	@OneToMany(mappedBy = "alien",fetch=FetchType.EAGER)
	private Collection<Laptop> laps = new ArrayList<Laptop>();
	
	
	public Collection<Laptop> getLaps() {
		return laps;
	}
	public void setLaps(Collection<Laptop> laps) {
		this.laps = laps;
	}
	public int getAid() {
		return aid;
	}
	public void setAid(int aid) {
		this.aid = aid;
	}
	public String getAname() {
		return aname;
	}
	public void setAname(String aname) {
		this.aname = aname;
	}
	
	@Override
	public String toString() {
		return "Alien [aid=" + aid + ", aname=" + aname + " ]";
	}
	
			
}



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			     hibernate.cfg.xml
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
		"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
		"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
    <session-factory>
        <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
        <property name="hibernate.connection.password">1234</property>
        <property name="hibernate.connection.url">jdbc:mysql://localhost:3306/test</property>
        <property name="hibernate.connection.username">root</property>
        <property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
        <property name="hbm2ddl.auto">create</property>
        <property name="show_sql">true</property>
    </session-factory>
</hibernate-configuration>