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DeleteOperationsMultiContextRunner.java
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DeleteOperationsMultiContextRunner.java
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/**
* Copyright (C) 2016 Czech Technical University in Prague
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details. You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cz.cvut.kbss.jopa.test.runner;
import cz.cvut.kbss.jopa.model.descriptors.Descriptor;
import cz.cvut.kbss.jopa.model.descriptors.EntityDescriptor;
import cz.cvut.kbss.jopa.test.OWLClassA;
import cz.cvut.kbss.jopa.test.OWLClassD;
import cz.cvut.kbss.jopa.test.OWLClassG;
import cz.cvut.kbss.jopa.test.OWLClassH;
import org.junit.Test;
import org.slf4j.Logger;
import static org.junit.Assert.*;
public abstract class DeleteOperationsMultiContextRunner extends BaseRunner {
public DeleteOperationsMultiContextRunner(Logger logger) {
super(logger);
}
@Test
public void testRemoveFromContext() {
logger.debug("Test: remove entity from a context.");
this.em = getEntityManager("MultiRemoveFromContext", false);
final Descriptor aDescriptor = new EntityDescriptor(CONTEXT_ONE);
em.getTransaction().begin();
em.persist(entityA, aDescriptor);
em.getTransaction().commit();
final OWLClassA a = em.find(OWLClassA.class, entityA.getUri(), aDescriptor);
assertNotNull(a);
em.getTransaction().begin();
em.remove(a);
assertFalse(em.contains(a));
em.getTransaction().commit();
final OWLClassA res = em.find(OWLClassA.class, entityA.getUri(), aDescriptor);
assertNull(res);
}
@Test
public void testRemoveFromOneKeepInTheOther() {
logger.debug("Test: persist an entity into two contexts and then remove it from one of them.");
this.em = getEntityManager("MultiRemoveFromOneContextAndKeepInTheOther", false);
final Descriptor aDescriptorOne = new EntityDescriptor(CONTEXT_ONE);
final Descriptor aDescriptorTwo = new EntityDescriptor(CONTEXT_TWO);
em.getTransaction().begin();
em.persist(entityA, aDescriptorOne);
em.getTransaction().commit();
em.getTransaction().begin();
em.persist(entityA, aDescriptorTwo);
em.getTransaction().commit();
final OWLClassA aOne = em.find(OWLClassA.class, entityA.getUri(), aDescriptorOne);
assertNotNull(aOne);
final OWLClassA aTwo = em.find(OWLClassA.class, entityA.getUri(), aDescriptorTwo);
assertNotNull(aTwo);
em.getTransaction().begin();
em.remove(aTwo);
em.getTransaction().commit();
final OWLClassA resOne = em.find(OWLClassA.class, entityA.getUri(), aDescriptorOne);
assertNotNull(resOne);
final OWLClassA resTwo = em.find(OWLClassA.class, entityA.getUri(), aDescriptorTwo);
assertNull(resTwo);
}
@Test
public void testRemoveObjectPropertyFromContext() throws Exception {
logger.debug("Test: remove object property value from a context.");
this.em = getEntityManager("MultiRemoveObjectPropertyFromContext", false);
final Descriptor dDescriptor = new EntityDescriptor(CONTEXT_ONE);
final Descriptor aDescriptor = new EntityDescriptor(CONTEXT_TWO);
dDescriptor.addAttributeDescriptor(OWLClassD.class.getDeclaredField("owlClassA"), aDescriptor);
em.getTransaction().begin();
em.persist(entityD, dDescriptor);
em.persist(entityA, aDescriptor);
em.getTransaction().commit();
final OWLClassD d = em.find(OWLClassD.class, entityD.getUri(), dDescriptor);
assertNotNull(d);
final OWLClassA a = d.getOwlClassA();
assertNotNull(a);
d.setOwlClassA(null);
em.getTransaction().begin();
em.remove(a);
em.getTransaction().commit();
final OWLClassD resD = em.find(OWLClassD.class, entityD.getUri(), dDescriptor);
assertNotNull(resD);
assertNull(resD.getOwlClassA());
final OWLClassA resA = em.find(OWLClassA.class, entityA.getUri(), aDescriptor);
assertNull(resA);
}
@Test
public void testRemoveCascadeOverContexts() throws Exception {
logger.debug("Test: remove entities through cascade, each in a different context.");
this.em = getEntityManager("MultiRemoveCascadeOverContexts", false);
final Descriptor gDescriptor = new EntityDescriptor();
final Descriptor hDescriptor = new EntityDescriptor(CONTEXT_ONE);
final Descriptor aDescriptor = new EntityDescriptor(CONTEXT_TWO);
hDescriptor.addAttributeDescriptor(OWLClassH.class.getDeclaredField("owlClassA"), aDescriptor);
gDescriptor.addAttributeDescriptor(OWLClassG.class.getDeclaredField("owlClassH"), hDescriptor);
em.getTransaction().begin();
em.persist(entityG, gDescriptor);
em.getTransaction().commit();
final OWLClassA a = em.find(OWLClassA.class, entityA.getUri(), aDescriptor);
assertNotNull(a);
final OWLClassH h = em.find(OWLClassH.class, entityH.getUri(), hDescriptor);
assertNotNull(h);
assertSame(a, h.getOwlClassA());
final OWLClassG g = em.find(OWLClassG.class, entityG.getUri(), gDescriptor);
assertNotNull(g);
assertSame(h, g.getOwlClassH());
em.getTransaction().begin();
em.remove(g);
em.getTransaction().commit();
assertNull(em.find(OWLClassA.class, entityA.getUri(), aDescriptor));
assertNull(em.find(OWLClassH.class, entityH.getUri(), hDescriptor));
assertNull(em.find(OWLClassG.class, entityG.getUri(), gDescriptor));
}
}