Hibernate example source code file (UnidirectionalMulIdWithNulls.java)

This example Hibernate source code file (UnidirectionalMulIdWithNulls.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

abstractentitytest, embid, embid, embidtestentity, embidtestentity, entitymanager, priority, test, test, unidirectionalmulidwithnulls, unirefingmulidentity, unirefingmulidentity

The Hibernate UnidirectionalMulIdWithNulls.java source code

package org.hibernate.envers.test.integration.onetoone.unidirectional;

import org.hibernate.ejb.Ejb3Configuration;
import org.hibernate.envers.test.AbstractEntityTest;
import org.hibernate.envers.test.Priority;
import org.hibernate.envers.test.entities.ids.EmbId;
import org.hibernate.envers.test.entities.ids.EmbIdTestEntity;
import org.junit.Test;

import javax.persistence.EntityManager;

import static org.junit.Assert.*;

/**
 * @author Lukasz Antoniak (lukasz dot antoniak at gmail dot com)
 */
public class UnidirectionalMulIdWithNulls extends AbstractEntityTest {
    private EmbId ei;
    
    public void configure(Ejb3Configuration cfg) {
        cfg.addAnnotatedClass(EmbIdTestEntity.class);
        cfg.addAnnotatedClass(UniRefIngMulIdEntity.class);
    }

    @Test
    @Priority(10)
    public void initData() {
        ei = new EmbId(1, 2);

        EntityManager em = getEntityManager();
        
        // Revision 1
        EmbIdTestEntity eite = new EmbIdTestEntity(ei, "data");
        UniRefIngMulIdEntity notNullRef = new UniRefIngMulIdEntity(1, "data 1", eite);
        UniRefIngMulIdEntity nullRef = new UniRefIngMulIdEntity(2, "data 2", null);

        em.getTransaction().begin();
        em.persist(eite);
        em.persist(notNullRef);
        em.persist(nullRef);
        em.getTransaction().commit();
    }

    @Test
    public void testNullReference() {
        UniRefIngMulIdEntity nullRef = getAuditReader().find(UniRefIngMulIdEntity.class, 2, 1);
        assertNull(nullRef.getReference());
    }

    @Test
    public void testNotNullReference() {
        EmbIdTestEntity eite = getAuditReader().find(EmbIdTestEntity.class, ei, 1);
        UniRefIngMulIdEntity notNullRef = getAuditReader().find(UniRefIngMulIdEntity.class, 1, 1);
        assertNotNull(notNullRef.getReference());
        assertEquals(notNullRef.getReference(), eite);
    }
}