Hibernate Insert Record

Hibernate Insert Record

In hibernate applications, save() method can be used to insert a record into the Database table

Employee.java

package com.ashok.hibernate.insert.model;

/**
 * 
 * @author ashok.mariyala
 *
 */
public class Employee {
	private String empId;
	private String empName;
	private String address;
	private double salary;
	
	public Employee() {
		super();
	}
	
	public String getEmpId() {
		return empId;
	}

	public void setEmpId(String empId) {
		this.empId = empId;
	}
	
	public String getEmpName() {
		return empName;
	}

	public void setEmpName(String empName) {
		this.empName = empName;
	}

	public String getAddress() {
		return address;
	}

	public void setAddress(String address) {
		this.address = address;
	}

	public double getSalary() {
		return salary;
	}

	public void setSalary(double salary) {
		this.salary = salary;
	}
}

employee.hbm.xml

<?xml version = "1.0" encoding = "utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC 
"-//Hibernate/Hibernate Mapping DTD//EN"
"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">

<hibernate-mapping>
	<class name="com.ashok.hibernate.insert.model.Employee" table="emp">
		<id name="empId" column="emp_id" type="string" />
		<property name="empName" column="emp_name" type="string" />
		<property name="address" column="address" type="string" />
		<property name="salary" column="salary" type="double" />
	</class>
</hibernate-mapping>

hibernate.cfg.xml

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-configuration SYSTEM
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
   <session-factory>
      <property name="hibernate.dialect">org.hibernate.dialect.OracleDialect</property>
      <property name="hibernate.connection.driver_class">oracle.jdbc.OracleDriver</property>
      <property name="hibernate.connection.url">jdbc:oracle:thin:@localhost:1521:xe</property>
      <property name="hibernate.connection.username">system</property>
      <property name="hibernate.connection.password">ashok</property>

      <mapping resource="com/ashok/hibernate/insert/employee.hbm.xml"/>
   </session-factory>
</hibernate-configuration>

ClientApp.java

package com.ashok.hibernate.insert;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;

import com.ashok.hibernate.insert.model.Employee;

/**
 * 
 * @author ashok.mariyala
 *
 */
public class ClientApp {
	public static void main(String[] args) throws Exception {
		SessionFactory sessionFactory = null;
		Session session = null;
		try {
			Configuration cfg = new Configuration();
			cfg.configure("/com/ashok/hibernate/insert/hibernate.cfg.xml");
			sessionFactory = cfg.buildSessionFactory();
			session = sessionFactory.openSession();
			Transaction tx = session.beginTransaction();
			Employee emp = new Employee();
			emp.setEmpId("E0087");
			emp.setEmpName("Ashok Kumar");
			emp.setSalary(75000);
			emp.setAddress("Hyderabad");
			session.save(emp);
			tx.commit();
			System.out.println("Employee Record inserted Succesfully");
		} catch(Exception e) {
			e.printStackTrace();
		} finally {
			if(null != session) {
				session.close();
			}
			if(null != sessionFactory) {
				sessionFactory.close();
			}
		}
	}
}

Output

Employee Record inserted Succesfully

Note

In Hibernate Applications, when we access persistence methods, Hibernate Software will take that persistence method call and it will prepare database dependent native SQL query on the basis of hibernate mapping details and configuration details . In this context, to display the generated database dependent SQL query on console we have to use “show_sql” property with the value “true” in hibernate configuration file.

Hibernate Insert Record
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