BE THE CODER > Hibernate > Criteria Queries

The following example shows creating an entity map from a projection list. Refer first example for the configuration and mapping.

File Name :	com/bethecoder/tutorials/hibernate/basic/criteria/CriteriaMapTest.java
Author :	Sudhakar KV
Email :	[email protected]


package com.bethecoder.tutorials.hibernate.basic.criteria;



import java.util.List;



import org.hibernate.Criteria;

import org.hibernate.Session;

import org.hibernate.criterion.Projections;

import org.hibernate.criterion.Property;

import org.hibernate.transform.Transformers;



import com.bethecoder.tutorials.hibernate.basic.Company;

import com.bethecoder.tutorials.hibernate.basic.util.HibernateUtil;



public class CriteriaMapTest {



  /**

   * @param args

   */

  public static void main(String[] args) {



    Session session = HibernateUtil.getSessionFactory().openSession();

    session.beginTransaction();

    

    Criteria criteria = session.createCriteria(Company.class);

    criteria.setProjection(Projections.projectionList()

            .add(Property.forName("id").as("company_id"))

            .add(Property.forName("name").as("company_name"))

      );

    criteria.setResultTransformer(Transformers.ALIAS_TO_ENTITY_MAP);

    List<?> rows = criteria.list();

    

    for (Object row : rows) {

      System.out.println(row);

    }

    

    session.getTransaction().commit();

    session.close();  

  }

  

}

Entity Map