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Hibernate - Transaction Management

📌 What You Will Learn

Understand Hibernate - Transaction Management
See working code examples
Learn from common mistakes and Q&A

Learn Hibernate - Transaction Management step by step — simple explanations, complete programs with their output, common beginner mistakes, and exam-style MCQs.

EXAMPLE

Employee.java

EXAMPLE

Example02

JCode Cell

1
2	package com.durgasoft.hbn.pojo;
3

EXAMPLE

Example03

JCode Cell

1
2	import javax.persistence.Column;
3	import javax.persistence.Entity;
4	import javax.persistence.GeneratedValue;
5	import javax.persistence.GenerationType;
6	import javax.persistence.Id;
7	import javax.persistence.SequenceGenerator;
8	import javax.persistence.Table;
9	import javax.persistence.TableGenerator;
10

EXAMPLE

Example04

JCode Cell

1
2	import org.hibernate.annotations.Generated;
3	import org.hibernate.annotations.GenericGenerator;
4	import org.hibernate.annotations.Parameter;
5

EXAMPLE

Value="10", valueColumnName="next_hi")

Example05

JCode Cell

1
2	@Entity
3	@Table(name="emp1")
4	public class Employee {
5	@Id
6	@Column(name="ENO")
7	/*
8	@SequenceGenerator(name="seqGen", sequenceName="my_sequence")
9	@GeneratedValue(strategy=GenerationType.SEQUENCE, generator="seqGen")
10	*/
11	//@GeneratedValue(strategy=GenerationType.IDENTITY)
12	//@GeneratedValue(strategy=GenerationType.AUTO)
13	/*
14	@TableGenerator(name="tableGen", table="my_table", pkColumnName="id", pkColumn
15

EXAMPLE

Example06

JCode Cell

1
2	@GeneratedValue(strategy=GenerationType.TABLE, generator="tableGen")
3	*/
4	@GenericGenerator(name="incrementGen", strategy="increment")
5	@GeneratedValue(generator="incrementGen")
6

EXAMPLE

Example07

JCode Cell

1
2	private int eno;
3	@Column(name="ENAME")
4	private String ename;
5	@Column(name="ESAL")
6	private float esal;
7	@Column(name="EADDR")
8	private String eaddr;
9

EXAMPLE

Example08

JCode Cell

1
2	public int getEno() {
3	return eno;
4	}
5	public void setEno(int eno) {
6	this.eno = eno;
7	}
8	public String getEname() {
9	return ename;
10	}
11	public void setEname(String ename) {
12	this.ename = ename;
13	}
14	public float getEsal() {
15	return esal;
16	}
17	public void setEsal(float esal) {
18	this.esal = esal;
19	}
20	public String getEaddr() {
21	return eaddr;
22	}
23	public void setEaddr(String eaddr) {
24	this.eaddr = eaddr;
25	}
26

EXAMPLE

hibernate.cfg.xml

Example09

JCode Cell

1
2	}
3

EXAMPLE

Example10

JCode Cell

1
2	<?xml version="1.0" encoding="UTF-8"?>
3	<!DOCTYPE hibernate-configuration PUBLIC
4	"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
5	"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
6	<hibernate-configuration>
7

EXAMPLE

Example11

JCode Cell

1
2	<session-factory>
3	<property name="connection.driver_Class">oracle.jdbc.OracleDriver</property>
4	<property name="connection.url">jdbc:oracle:thin:@localhost:1521:xe</property>
5	<property name="connection.username">system</property>
6	<property name="connection.password">durga</property>
7	<property name="hibernate.dialect">org.hibernate.dialect.Oracle10gDialect</propert
8

EXAMPLE

Example12

JCode Cell

1
2	<property name="show_sql">true</property>
3	<mapping class="com.durgasoft.hbn.pojo.Employee"/>
4	</session-factory>
5

EXAMPLE

ClientApp.java

Example13

JCode Cell

1
2	<!--
3	<session-factory>
4	<property name="connection.driver_Class">com.mysql.jdbc.Driver</property>
5	<property name="connection.url">jdbc:mysql://localhost:3306/durgadb</property>
6	<property name="connection.username">root</property>
7	<property name="connection.password">root</property>
8	<property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
9	<property name="show_sql">true</property>
10	<mapping class="com.durgasoft.hbn.pojo.Employee"/>
11	</session-factory>
12	-->
13	</hibernate-configuration>
14

EXAMPLE

Example14

JCode Cell

1
2	package com.durgasoft.hbn.test;
3

EXAMPLE

Example15

JCode Cell

1
2	import org.hibernate.Session;
3	import org.hibernate.SessionFactory;
4	import org.hibernate.Transaction;
5	import org.hibernate.boot.registry.StandardServiceRegistry;
6	import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
7	import org.hibernate.cfg.Configuration;
8

EXAMPLE

Example16

JCode Cell

1
2	import com.durgasoft.hbn.pojo.Employee;
3

EXAMPLE

Example17

JCode Cell

1
2	public class Test {
3

EXAMPLE

Example18

JCode Cell

1
2	public static void main(String[] args)throws Exception {
3	Configuration cfg = new Configuration();
4	cfg.configure();
5	StandardServiceRegistryBuilder builder = new StandardServiceRegistryBuilder();
6	builder = builder.applySettings(cfg.getProperties());
7	StandardServiceRegistry registry = builder.build();
8	SessionFactory sessionFactory = cfg.buildSessionFactory(registry);
9	Session session = sessionFactory.openSession();
10	Employee emp = new Employee();
11	//emp.setEno(111);
12	emp.setEname("AAA");
13	emp.setEsal(5000);
14	emp.setEaddr("Hyd");
15	Transaction tx = session.beginTransaction();
16	session.save(emp);
17	tx.commit();
18	System.out.println("Employee Inserted Successfully");
19

Output


Employee Inserted Successfully

EXAMPLE

Transaction Management

Example19

JCode Cell

1
2	}
3	}
4

📝 Key Takeaways

Key ideas of Hibernate - Transaction Management explained simply
Ready-to-use code examples
Exam-style questions at the end

Hibernate

Nearby lessons

Hibernate - Transaction Management

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