Hibernate Criteria isNotNull
Posted on: April 11, 2011 at 12:00 AM
In this tutorial you will learn Hibernate Criteria isNotNull

Hibernate Criteria isNotNull

The Hibernate Criteria isNotNull value is used to check whether the given value is not null

Criteria criteria = session.createCriteria(Student.class);
	criteria.add(Restrictions.isNotNull("name"));
	List list = criteria.list();

CriteriaIsNotNull.java

package net.roseindia.main;

import java.util.Iterator;
import java.util.List;

import net.roseindia.bean.Student;
import net.roseindia.util.HibernateUtil;

import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.criterion.Restrictions;

public class CriteriaIsNotNull {
	public static void main(String[] args) {
		Session session = HibernateUtil.getSessionFactory().openSession();
		Criteria criteria = session.createCriteria(Student.class);
		criteria.add(Restrictions.isNotNull("name"));
		List list = criteria.list();
		Iterator iterator = list.iterator();
		while (iterator.hasNext()) {
			Student student = (Student) iterator.next();
			System.out.println(student.getName());
		}
	}
}

When you run this application it will display message as shown below:

Hibernate: select this_.roll_no as roll1_0_0_, this_.name as name0_0_, this_.course as course0_0_, this_.address as address0_0_ from student this_ where this_.name is not null
Ramesh
Raman
Aman
Raman
Vikash
Ramesh
Bharat

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