Hibernate Detached Criteria

This section is good discussion about hibernate detached criteria.


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Hibernate Detached Criteria

This section is good discussion about hibernate detached criteria.

Detached Criteria in Hibernate :

Detached criteria is very good alternate when the hibernate session is not present. You can say detached criteria is a concept of writing query in detached mode.

You can instantiate this class anywhere. For this you have to import -


Way to write DetchedCriteria -

DetachedCriteria query = DetachedCriteria.forClass(Employee.class);

Next you can obtain criteria by passing any arbitrary session to getExecutableCriteria() as -

employeeList = query.getExecutableCriteria(session).list();

Here is an example of detached criteria. Employee is our table. This example show the record of employee named "Som".

package net.roseindia.main;

import java.util.*;
import net.roseindia.table.Employee;
import net.roseindia.util.HibernateUtil;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.criterion.DetachedCriteria;
import org.hibernate.criterion.Property;

public class DetachedCriteriaQuery {
public static void main(String[] args) {
DetachedCriteria query = DetachedCriteria.forClass(Employee.class);
SessionFactory sessionFactory = HibernateUtil.getSessionFactory();
Session session = sessionFactory.openSession();
List<Employee> employeeList = new ArrayList<Employee>();
employeeList = query.getExecutableCriteria(session).list();
Iterator it = employeeList.iterator();
while (it.hasNext()) {
Employee employee = (Employee) it.next();
System.out.println("Name : " + employee.getName());
System.out.println("Salary : " + employee.getSalary());
System.out.println("Date of Join : " + employee.getDateOfJoin());


Output :

Hibernate: select this_.emp_id as emp1_0_0_, this_.date_of_join as date2_0_0_, this_.name as name0_0_, this_.salary as salary0_0_ from employee this_ where this_.name=?
Name : Som
Salary : 20000
Date of Join : 1999-06-22 00:00:00.0

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Hibernate Detached Criteria

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