HIBERNATE核心开发接口介绍

Gender类

package com.zzk.hibernate.model;

public enum Gender {
	MALE, FEMALE
}

Student类

package com.zzk.hibernate.model;

public class Student {
	
	private int id;
	private String name;
	
	private int age;
	private String sex;
	private boolean good;
	public boolean isGood() {
		return good;
	}
	public void setGood(boolean good) {
		this.good = good;
	}
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public int getAge() {
		return age;
	}
	public void setAge(int age) {
		this.age = age;
	}
	public String getSex() {
		return sex;
	}
	public void setSex(String sex) {
		this.sex = sex;
	}
	
	
	
}

Teacher类

package com.zzk.hibernate.model;
import java.util.Date;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.EnumType;
import javax.persistence.Enumerated;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Transient;

@Entity

public class Teacher {
	
	private int id;
	private String name;
	private String title; 
	private String yourWifeName;
	private Date birthDate;
	private boolean good;
	private Gender gender;
	
	@Enumerated(EnumType.STRING)
	public Gender getGender() {
		return gender;
	}
	public void setGender(Gender gender) {
		this.gender = gender;
	}
	public boolean isGood() {
		return good;
	}
	public void setGood(boolean good) {
		this.good = good;
	}
	@Transient
	public String getYourWifeName() {
		return yourWifeName;
	}
	public void setYourWifeName(String yourWifeName) {
		this.yourWifeName = yourWifeName;
	}
	@Id
	@GeneratedValue
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	
	public String getTitle() {
		return title;
	}
	public void setTitle(String title) {
		this.title = title;
	}
	public Date getBirthDate() {
		return birthDate;
	}
	public void setBirthDate(Date birthDate) {
		this.birthDate = birthDate;
	}
	
}


比较详细的JUNIT单元测试类

package com.zzk.hibernate.model;

import java.util.Date;

import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.AnnotationConfiguration;
import org.hibernate.tool.hbm2ddl.SchemaExport;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;

public class HibernateCoreAPITest {
	private static SessionFactory sessionFactory;
	
	@BeforeClass
	public static void beforeClass() {
			sessionFactory = new AnnotationConfiguration().configure().buildSessionFactory();
	}
	@AfterClass
	public static void afterClass() {
		sessionFactory.close();
	}
	
	
	
	@Test
	public void testTeacherSave() {
	
		Teacher t = new Teacher();
		
		t.setName("t1");
		t.setTitle("middle");
		t.setBirthDate(new Date());
		
		//Session session = sessionFactory.openSession();
		Session session = sessionFactory.getCurrentSession();
		
		session.beginTransaction();
		session.save(t);
		
		Session session2 = sessionFactory.getCurrentSession();
		
		System.out.println(session == session2);
		
		session.getTransaction().commit();
		
		Session session3 = sessionFactory.getCurrentSession();
		
		System.out.println(session == session3);
		
		
	}
	
	@Test
	public void testSaveWith3State() {
	
		Teacher t = new Teacher();
		
		t.setName("t1");
		t.setTitle("middle");
		t.setBirthDate(new Date());
		
		Session session = sessionFactory.getCurrentSession();
		session.beginTransaction();
		session.save(t);
		System.out.println(t.getId());
		session.getTransaction().commit();
		
		System.out.println(t.getId());
	}
	
	@Test
	public void testDelete() {
	
		Teacher t = new Teacher();
		t.setName("t1");
		t.setTitle("middle");
		t.setBirthDate(new Date());
		
		Session session = sessionFactory.getCurrentSession();
		session.beginTransaction();
		session.save(t);
		System.out.println(t.getId());
		session.getTransaction().commit();
		
		Session session2 = sessionFactory.getCurrentSession();
		session2.beginTransaction();
		session2.delete(t);
		session2.getTransaction().commit();
	}
	
	@Test
	public void testDelete2() {
	
		Teacher t = new Teacher();
		t.setId(2);
		
		
		Session session2 = sessionFactory.getCurrentSession();
		session2.beginTransaction();
		session2.delete(t);
		session2.getTransaction().commit();
	}
	
	@Test
	public void testLoad() {
	
		Session session = sessionFactory.getCurrentSession();
		session.beginTransaction();
		Teacher t = (Teacher)session.load(Teacher.class, 1);
		
		session.getTransaction().commit();
		System.out.println(t.getClass());
		//System.out.println(t.getName());
	}
	
	@Test
	public void testGet() {
	
		Session session = sessionFactory.getCurrentSession();
		session.beginTransaction();
		Teacher t = (Teacher)session.get(Teacher.class, 1);
		
		session.getTransaction().commit();
		System.out.println(t.getClass());
		//System.out.println(t.getName());
	}
	
	@Test
	public void testUpdate1() {
	
		Session session = sessionFactory.getCurrentSession();
		session.beginTransaction();
		Teacher t = (Teacher)session.get(Teacher.class, 1);
		
		session.getTransaction().commit();
		
		t.setName("zhanglaoshi");
		
		Session session2 = sessionFactory.getCurrentSession();
		session2.beginTransaction();
		session2.update(t);
		
		session2.getTransaction().commit();
	}
	
	@Test
	public void testUpdate2() {
		
		
		Teacher t = new Teacher();
		t.setName("zhanglaoshi");
		
		Session session2 = sessionFactory.getCurrentSession();
		session2.beginTransaction();
		session2.update(t);
		
		session2.getTransaction().commit();
	}
	
	@Test
	public void testUpdate3() {
		
		
		Teacher t = new Teacher();
		t.setId(1);
		t.setName("zhanglaoshi");
		
		Session session2 = sessionFactory.getCurrentSession();
		session2.beginTransaction();
		session2.update(t);
		
		session2.getTransaction().commit();
	}
	
	@Test
	public void testUpdate4() {
		
		
		Session session = sessionFactory.getCurrentSession();
		session.beginTransaction();
		Teacher t = (Teacher)session.get(Teacher.class, 1);
		t.setName("zhangsan2");
		session.getTransaction().commit();
	}
	
	@Test
	public void testUpdate5() {
		
		
		Session session = sessionFactory.getCurrentSession();
		session.beginTransaction();
		Student s = (Student)session.get(Student.class, 1);
		s.setName("zhangsan5");
		session.getTransaction().commit();
		
		s.setName("z4");
		
		Session session2 = sessionFactory.getCurrentSession();
		session2.beginTransaction();
		session2.update(s);
		session2.getTransaction().commit();
	}
	
	@Test
	public void testUpdate6() {
		
		
		Session session = sessionFactory.getCurrentSession();
		session.beginTransaction();
		Student s = (Student)session.get(Student.class, 1);
		s.setName("zhangsan6");
		session.getTransaction().commit();
		
		s.setName("z4");
		
		Session session2 = sessionFactory.getCurrentSession();
		session2.beginTransaction();
		session2.merge(s);
		session2.getTransaction().commit();
	}
	
	@Test
	public void testUpdate7() {
		
		
		Session session = sessionFactory.getCurrentSession();
		session.beginTransaction();
		Query q = session.createQuery("update Student s set s.name='z5' where s.id = 1");
		q.executeUpdate();
		session.getTransaction().commit();
		
	}
	
	@Test
	public void testSaveOrUpdate() {
		
		
		Teacher t = new Teacher();
		t.setName("t1");
		t.setTitle("middle");
		t.setBirthDate(new Date());
		
		Session session = sessionFactory.getCurrentSession();
		session.beginTransaction();
		session.saveOrUpdate(t);//执行save
		
		session.getTransaction().commit();
		
		t.setName("t2");
		
		Session session2 = sessionFactory.getCurrentSession();
		session2.beginTransaction();
		session2.saveOrUpdate(t);//执行update
		session2.getTransaction().commit();
		
	}
	
	@Test
	public void testClear() {
	
		Session session = sessionFactory.getCurrentSession();
		session.beginTransaction();
		Teacher t = (Teacher)session.load(Teacher.class, 1);
		System.out.println(t.getName());
		
		session.clear();
		
		Teacher t2 = (Teacher)session.load(Teacher.class, 1);
		System.out.println(t2.getName());
		session.getTransaction().commit();
		
		
	}
	
	@Test
	public void testFlush() {
	
		Session session = sessionFactory.getCurrentSession();
		session.beginTransaction();
		Teacher t = (Teacher)session.load(Teacher.class, 1);
		t.setName("tttt");
		
		
		session.clear();
		
		t.setName("ttttt");
		
	
		session.getTransaction().commit();
		
		
	}
	
	@Test
	public void testSchemaExport() {
		new SchemaExport(new AnnotationConfiguration().configure()).create(false, true);
	}
	
	public static void main(String[] args) {
		beforeClass();
	}
}




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