Hibernate criteria uniqueResult.

Here, we will introduce you to about the uniqueResult() method of Criteria class of hibernate. Hibernate Criteria class is available in org.hibernate.criteria package. The uniqueResult() method returns single instance of a persistence object. If no result found then method will return a null value.

Syntax :

	Criteria criteria = session.createCriteria(StudentBean.class)
	.add(Restrictions.eq(propertyName,propertyValue));
	modelClass obModel = (modelClass ) criteria.uniqueResult();)

CriteiaSort.java

package net.roseindia.action;

import net.roseindia.bean.StudentBean;
import net.roseindia.util.HibernateUtil;
import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.criterion.Restrictions;

public class CriteiaSort {
	public static void main(String[] args) {
	Session session = HibernateUtil.getSessionFactory().openSession();
	Criteria criteria = session.createCriteria(StudentBean.class).add(
		Restrictions.eq("id", new Integer(3)));
	StudentBean stud = (StudentBean) criteria.uniqueResult();
	System.out.println("Student = " + stud.getName());
	}
}

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