Hibernate Delete Record
In hibernate applications, delete() method can be used to delete a record from the Database table.
Employee.java
package com.ashok.hibernate.delete.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.delete.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/delete/employee.hbm.xml"/> </session-factory> </hibernate-configuration>
ClientApp.java
package com.ashok.hibernate.delete; import org.hibernate.Session; import org.hibernate.SessionFactory; import org.hibernate.Transaction; import org.hibernate.cfg.Configuration; import com.ashok.hibernate.delete.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/delete/hibernate.cfg.xml"); sessionFactory = cfg.buildSessionFactory(); session = sessionFactory.openSession(); Transaction tx = session.beginTransaction(); Employee emp = new Employee(); emp.setEmpId("E0087"); session.delete(emp); tx.commit(); System.out.println("Employee Record deleted Succesfully"); } catch(Exception e) { e.printStackTrace(); } finally { if(null != session) { session.close(); } if(null != sessionFactory) { sessionFactory.close(); } } } }
Output
Employee Record deleted Succesfully
Hibernate Delete Record