Hibernate example source code file (UniqueConstraintTest.java)

This example Hibernate source code file (UniqueConstraintTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Hibernate tags/keywords

basecorefunctionaltestcase, class, class, database, exception, house, house, room, room, session, test, test, transaction, uniqueconstrainttest

The Hibernate UniqueConstraintTest.java source code

package org.hibernate.test.annotations.uniqueconstraint;

import org.junit.Test;

import org.hibernate.JDBCException;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import static org.junit.Assert.fail;

/**
 * @author Manuel Bernhardt <bernhardt.manuel@gmail.com>
 */
public class UniqueConstraintTest extends BaseCoreFunctionalTestCase {

    protected Class[] getAnnotatedClasses() {
        return new Class[]{
                Room.class,
                Building.class,
                House.class
        };
    }

	@Test
    public void testUniquenessConstraintWithSuperclassProperty() throws Exception {
        Session s = openSession();
        Transaction tx = s.beginTransaction();
        Room livingRoom = new Room();
        livingRoom.setId(1l);
        livingRoom.setName("livingRoom");
        s.persist(livingRoom);
        s.flush();
        House house = new House();
        house.setId(1l);
        house.setCost(100);
        house.setHeight(1000l);
        house.setRoom(livingRoom);
        s.persist(house);
        s.flush();
        House house2 = new House();
        house2.setId(2l);
        house2.setCost(100);
        house2.setHeight(1001l);
        house2.setRoom(livingRoom);
        s.persist(house2);
        try {
            s.flush();
            fail("Database constraint non-existant");
        } catch(JDBCException e) {
            //success
        }
        tx.rollback();
        s.close();
    }
    
}