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Result Transformer
The following example shows how to use Result Transformer with Native SQL queries.
Refer first example for the configuration and mapping.
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package com.bethecoder.tutorials.hibernate.basic.native_queries;
import java.util.List;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.transform.Transformers;
import com.bethecoder.tutorials.hibernate.basic.CompanyShortInfo;
import com.bethecoder.tutorials.hibernate.basic.util.HibernateUtil;
public class ResultTransformerTest {
/**
* @param args
*/
public static void main(String[] args) {
Session session = HibernateUtil.getSessionFactory().openSession();
session.beginTransaction();
Query query = session.createSQLQuery("SELECT id, name FROM company");
query.setResultTransformer(Transformers.aliasToBean(CompanyShortInfo.class));
List<CompanyShortInfo> companies = query.list();
System.out.println("Selected row count : " + companies.size());
for (CompanyShortInfo company : companies) {
System.out.println(company);
}
session.getTransaction().commit();
session.close();
}
}
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It gives the following output,
Selected row count : 10
CompanyShortInfo[1, PQR]
CompanyShortInfo[2, ABC]
CompanyShortInfo[3, MNO]
CompanyShortInfo[4, IJK]
CompanyShortInfo[5, ART]
CompanyShortInfo[6, RNK]
CompanyShortInfo[7, AOQ]
CompanyShortInfo[8, BQO]
CompanyShortInfo[9, CFR]
CompanyShortInfo[10, CFR]
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