Hibernate
How do I set the fetch mode for Criteria association?
o set the fetching mode for association we can call the Criteria‘s setFetchMode() method. We can use the FetchMode.SELECT or FetchMode.JOIN. package org.kodejava.hibernate; import org.hibernate.*; import org.hibernate.cfg.Configuration; import org.hibernate.criterion.Restrictions; import org.kodejava.hibernate.model.Record; import java.util.List; public class FetchModeDemo { public static Session getSession() throws HibernateException { String cfg = "hibernate.cfg.xml"; Sessi...
Artikel oleh Wayan · Sumber: Kode Java ↗
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o set the fetching mode for association we can call the Criteria‘s setFetchMode() method. We can use the FetchMode.SELECT or FetchMode.JOIN.
package org.kodejava.hibernate;
import org.hibernate.*;
import org.hibernate.cfg.Configuration;
import org.hibernate.criterion.Restrictions;
import org.kodejava.hibernate.model.Record;
import java.util.List;
public class FetchModeDemo {
public static Session getSession() throws HibernateException {
String cfg = "hibernate.cfg.xml";
SessionFactory sessionFactory = new Configuration().configure(cfg)
.buildSessionFactory();
return sessionFactory.openSession();
}
@SuppressWarnings("unchecked")
public static void main(String[] args) {
try (Session session = getSession()) {
Criteria criteria = session.createCriteria(Record.class)
.setFetchMode("artist", FetchMode.SELECT)
.setFetchMode("label", FetchMode.SELECT)
.add(Restrictions.like("title", "The Beatles%"));
List<Record> records = criteria.list();
for (Record record : records) {
System.out.println("Recording = "
+ record.getTitle());
System.out.println("Artist = "
+ record.getArtist().getName());
}
}
}
}
Maven Dependencies
<dependencies>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>5.6.9.Final</version>
</dependency>
<dependency>
<groupId>com.mysql</groupId>
<artifactId>mysql-connector-j</artifactId>
<version>8.0.33</version>
</dependency>
</dependencies>
