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 Hibernate > Hibernate Query Language > Named Parameters

Named Parameters 

The following example shows how to use named parameters. Refer first example for the configuration and mapping.

File Name  :  
com/bethecoder/tutorials/hibernate/basic/tests/HQLNamedParamTest.java 
Author  :  Sudhakar KV
Email  :  kvenkatasudhakar@gmail.com
   
package com.bethecoder.tutorials.hibernate.basic.tests;

import java.util.List;

import org.hibernate.Query;
import org.hibernate.Session;
import com.bethecoder.tutorials.hibernate.basic.Company;
import com.bethecoder.tutorials.hibernate.basic.util.HibernateUtil;

public class HQLNamedParamTest {

  /**
   @param args
   */
  public static void main(String[] args) {

    Session session = HibernateUtil.getSessionFactory().openSession();
    session.beginTransaction();
    
    String HQL_QUERY = "from Company comp where comp.id = :company_id";
    Query query = session.createQuery(HQL_QUERY);
    query.setParameter("company_id"4);

    List<Company> companies = query.list();    
    System.out.println("Selected row count : " + companies.size());
    
    for (Company company : companies) {
      System.out.println(company);
    }
    
    session.getTransaction().commit();
    session.close();
  }
  
}
   

It gives the following output,
Selected row count : 1
{ id = 4, name = IJK, employeeCount = 67890, 
	projectCount = 850, address1 = add1112, address2 = add2223 }


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