one-to-one双向关联之加载

/**
 * 
 */
package com.maybe.test_1;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.OneToOne;
import javax.persistence.Table;

/**
 * @author MayBe
 *
 * function:
 */
@Entity
@Table(name="t_husband")
public class Husband {
	
	private Integer id;
	private String name;
	private Wife wife;
	@Id
	@GeneratedValue
	public Integer getId() {
	return id;
	}
	
	public String getName() {
	return name;
	}
	public void setId(Integer id) {
	this.id = id;
	}
	public void setName(String name) {
	this.name = name;
	}

	@OneToOne(mappedBy="husband")
	public Wife getWife() {
	return wife;
	}

	public void setWife(Wife wife) {
	this.wife = wife;
	}
	

}

/**
 * 
 */
package com.maybe.test_1;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.OneToOne;
import javax.persistence.Table;

/**
 * @author MayBe
 *
 * function:
 */
@Entity
@Table(name="t_wife")
public class Wife {
	
	private Integer id;
	private String name;
	private Husband husband;
	@Id
	@GeneratedValue
	public Integer getId() {
	return id;
	}
	public String getName() {
	return name;
	}
	public void setId(Integer id) {
	this.id = id;
	}
	public void setName(String name) {
	this.name = name;
	}
	@OneToOne
	public Husband getHusband() {
	return husband;
	}
	public void setHusband(Husband husband) {
	this.husband = husband;
	}
	

}

@Test
	public void One_to_oneLoadTest1(){
	//一对一双向关联

	Session s = sessionFacotry.getCurrentSession();
	
	s.beginTransaction();
	
	Husband hus = (Husband)s.get(Husband.class, 2);	

 System.out.println("*****************");
	
	Wife wif = (Wife)s.get(Wife.class, 3);


	s.getTransaction().commit();
	
	}

2014-02-04 16:52:20 INFO org.hibernate.tool.hbm2ddl.SchemaUpdate:182 - HHH000228: Running hbm2ddl schema update
 2014-02-04 16:52:20 INFO org.hibernate.tool.hbm2ddl.SchemaUpdate:193 - HHH000102: Fetching database metadata
 2014-02-04 16:52:20 INFO org.hibernate.tool.hbm2ddl.SchemaUpdate:205 - HHH000396: Updating schema
 2014-02-04 16:52:21 INFO org.hibernate.tool.hbm2ddl.TableMetadata:66 - HHH000261: Table found: hibernate.dbo.t_husband
 2014-02-04 16:52:21 INFO org.hibernate.tool.hbm2ddl.TableMetadata:67 - HHH000037: Columns: [id, name]
 2014-02-04 16:52:21 INFO org.hibernate.tool.hbm2ddl.TableMetadata:69 - HHH000108: Foreign keys: []
 2014-02-04 16:52:21 INFO org.hibernate.tool.hbm2ddl.TableMetadata:70 - HHH000126: Indexes: [pk__t_husban__3213e83f0f624af8]
 2014-02-04 16:52:21 INFO org.hibernate.tool.hbm2ddl.TableMetadata:66 - HHH000261: Table found: hibernate.dbo.t_wife
 2014-02-04 16:52:21 INFO org.hibernate.tool.hbm2ddl.TableMetadata:67 - HHH000037: Columns: [id, husband_id, name]
 2014-02-04 16:52:21 INFO org.hibernate.tool.hbm2ddl.TableMetadata:69 - HHH000108: Foreign keys: [fk_fi3kodkmubgryyblf4935y4dk]
 2014-02-04 16:52:21 INFO org.hibernate.tool.hbm2ddl.TableMetadata:70 - HHH000126: Indexes: [pk__t_wife__3213e83f1332dbdc]
 2014-02-04 16:52:21 INFO org.hibernate.tool.hbm2ddl.SchemaUpdate:242 - HHH000232: Schema update complete
 Hibernate: 
 select
 husband0_.id as id1_0_0_,
 husband0_.name as name2_0_0_,
 wife1_.id as id1_1_1_,
 wife1_.husband_id as husband_3_1_1_,
 wife1_.name as name2_1_1_ 
 from
 t_husband husband0_ 
 left outer join
 t_wife wife1_ 
 on husband0_.id=wife1_.husband_id 
 where
 husband0_.id=?
*****************
Hibernate: 
 select
 wife0_.id as id1_1_0_,
 wife0_.husband_id as husband_3_1_0_,
 wife0_.name as name2_1_0_,
 husband1_.id as id1_0_1_,
 husband1_.name as name2_0_1_ 
 from
 t_wife wife0_ 
 left outer join
 t_husband husband1_ 
 on wife0_.husband_id=husband1_.id 
 where
 wife0_.id=?
Hibernate: 
 select
 wife0_.id as id1_1_1_,
 wife0_.husband_id as husband_3_1_1_,
 wife0_.name as name2_1_1_,
 husband1_.id as id1_0_0_,
 husband1_.name as name2_0_0_ 
 from
 t_wife wife0_ 
 left outer join
 t_husband husband1_ 
 on wife0_.husband_id=husband1_.id 
 where
 wife0_.husband_id=?

/**
 * 
 */
package com.maybe.test_1;

import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.OneToOne;
import javax.persistence.Table;

/**
 * @author MayBe
 *
 * function:
 */
@Entity
@Table(name="t_wife")
public class Wife {
	
	private Integer id;
	private String name;
	private Husband husband;
	@Id
	@GeneratedValue
	public Integer getId() {
	return id;
	}
	public String getName() {
	return name;
	}
	public void setId(Integer id) {
	this.id = id;
	}
	public void setName(String name) {
	this.name = name;
	}
	@OneToOne(fetch=FetchType.LAZY)
	public Husband getHusband() {
	return husband;
	}
	public void setHusband(Husband husband) {
	this.husband = husband;
	}
	
}

	public void One_to_oneLoadTest1() {
	// 一对一双向关联

	Session s = sessionFacotry.getCurrentSession();

	s.beginTransaction();

	Husband hus = (Husband) s.get(Husband.class, 2);

 	

	System.out.println("*****************");
	Wife wif = (Wife) s.get(Wife.class, 3);
	

	System.out.println(wif.getHusband().getName());
	s.getTransaction().commit();

	}