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RetrieveOperationsMultiContextRunner.java
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RetrieveOperationsMultiContextRunner.java
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/**
* Copyright (C) 2016 Czech Technical University in Prague
* <p>
* 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.
* <p>
* 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.model.descriptors.ObjectPropertyCollectionDescriptor;
import cz.cvut.kbss.jopa.test.OWLClassA;
import cz.cvut.kbss.jopa.test.OWLClassB;
import cz.cvut.kbss.jopa.test.OWLClassC;
import cz.cvut.kbss.jopa.test.OWLClassI;
import cz.cvut.kbss.jopa.test.environment.DataAccessor;
import cz.cvut.kbss.jopa.test.environment.Generators;
import cz.cvut.kbss.jopa.test.environment.PersistenceFactory;
import cz.cvut.kbss.jopa.test.environment.TestEnvironmentUtils;
import org.junit.Test;
import org.slf4j.Logger;
import java.lang.reflect.Field;
import static org.junit.Assert.*;
public abstract class RetrieveOperationsMultiContextRunner extends BaseRunner {
public RetrieveOperationsMultiContextRunner(Logger logger, PersistenceFactory persistenceFactory,
DataAccessor dataAccessor) {
super(logger, persistenceFactory, dataAccessor);
}
@Test
public void testRetrieveSimilarFromTwoContexts() {
logger.debug(
"Test: persist entities with the same URI but different attributes into two contexts and then retrieve them.");
this.em = getEntityManager("MultiRetrieveSimilarFromTwoContexts", false);
final OWLClassA entityATwo = new OWLClassA();
entityATwo.setUri(entityA.getUri());
entityATwo.setStringAttribute("SomeCompletelyDifferentStringAttribute");
final Descriptor aDescriptor = new EntityDescriptor(CONTEXT_ONE);
final Descriptor aTwoDescriptor = new EntityDescriptor(CONTEXT_TWO);
em.getTransaction().begin();
em.persist(entityA, aDescriptor);
em.getTransaction().commit();
em.getTransaction().begin();
em.persist(entityATwo, aTwoDescriptor);
em.getTransaction().commit();
final OWLClassA resOne = em.find(OWLClassA.class, entityA.getUri(), aDescriptor);
assertNotNull(resOne);
assertEquals(entityA.getStringAttribute(), resOne.getStringAttribute());
final OWLClassA resTwo = em.find(OWLClassA.class, entityATwo.getUri(), aTwoDescriptor);
assertNotNull(resTwo);
assertEquals(entityATwo.getStringAttribute(), resTwo.getStringAttribute());
}
@Test
public void testRetrieveSimpleListFromContext() throws Exception {
logger.debug("Test: retrieve simple list and its values from a different context.");
this.em = getEntityManager("MultiRetrieveSimpleListFromContext", false);
entityC.setSimpleList(Generators.createSimpleList(10));
final Descriptor cDescriptor = new EntityDescriptor();
final Descriptor listDescriptor = new ObjectPropertyCollectionDescriptor(CONTEXT_ONE,
OWLClassC.class.getDeclaredField("simpleList"));
cDescriptor.addAttributeDescriptor(OWLClassC.class.getDeclaredField("simpleList"), listDescriptor);
em.getTransaction().begin();
em.persist(entityC, cDescriptor);
for (OWLClassA a : entityC.getSimpleList()) {
em.persist(a, listDescriptor);
}
em.getTransaction().commit();
final OWLClassC resC = em.find(OWLClassC.class, entityC.getUri(), cDescriptor);
assertNotNull(resC);
assertNotNull(resC.getSimpleList());
assertEquals(entityC.getSimpleList().size(), resC.getSimpleList().size());
for (OWLClassA a : entityC.getSimpleList()) {
final OWLClassA resA = em.find(OWLClassA.class, a.getUri(), listDescriptor);
assertNotNull(resA);
assertEquals(a.getUri(), resA.getUri());
assertEquals(a.getStringAttribute(), resA.getStringAttribute());
}
}
@Test
public void testRetrieveReferencedListFromContext() throws Exception {
logger.debug("Test: retrieve referenced list and its values from a different context.");
this.em = getEntityManager("MultiRetrieveReferencedListFromContext", false);
entityC.setReferencedList(Generators.createReferencedList(15));
final Descriptor cDescriptor = new EntityDescriptor();
final Descriptor listDescriptor = new ObjectPropertyCollectionDescriptor(CONTEXT_ONE,
OWLClassC.class.getDeclaredField("referencedList"));
cDescriptor.addAttributeDescriptor(OWLClassC.class.getDeclaredField("referencedList"), listDescriptor);
em.getTransaction().begin();
em.persist(entityC, cDescriptor);
for (OWLClassA a : entityC.getReferencedList()) {
em.persist(a, listDescriptor);
}
em.getTransaction().commit();
final OWLClassC resC = em.find(OWLClassC.class, entityC.getUri(), cDescriptor);
assertNotNull(resC);
assertNotNull(resC.getReferencedList());
assertEquals(entityC.getReferencedList().size(), resC.getReferencedList().size());
for (OWLClassA a : entityC.getReferencedList()) {
final OWLClassA resA = em.find(OWLClassA.class, a.getUri(), listDescriptor);
assertNotNull(resA);
assertEquals(a.getUri(), resA.getUri());
assertEquals(a.getStringAttribute(), resA.getStringAttribute());
}
}
@Test
public void testRetrieveLazyReferenceFromContext() throws Exception {
logger.debug("Test: retrieve entity with lazy loaded reference in another context.");
this.em = getEntityManager("MultiRetrieveLazyReferenceFromContext", false);
final Descriptor iDescriptor = new EntityDescriptor(CONTEXT_ONE);
final Descriptor aDescriptor = new EntityDescriptor(CONTEXT_TWO);
aDescriptor.addAttributeContext(OWLClassA.class.getDeclaredField("stringAttribute"), CONTEXT_ONE);
iDescriptor.addAttributeDescriptor(OWLClassI.class.getDeclaredField("owlClassA"), aDescriptor);
em.getTransaction().begin();
// The relationship is CascadeType.PERSIST
em.persist(entityI, iDescriptor);
em.getTransaction().commit();
final OWLClassI resI = em.find(OWLClassI.class, entityI.getUri(), iDescriptor);
assertNotNull(resI);
final Field refAField = OWLClassI.class.getDeclaredField("owlClassA");
refAField.setAccessible(true);
assertNull(refAField.get(resI));
assertNotNull(resI.getOwlClassA());
final OWLClassA resA = em.find(OWLClassA.class, entityA.getUri(), aDescriptor);
assertNotNull(resA);
// If we were using cache, ref.getOwlClassA() and resA would be the same
assertEquals(resI.getOwlClassA().getStringAttribute(), resA.getStringAttribute());
}
@Test
public void testRetrievePropertiesFromContext() throws Exception {
logger.debug("Test: retrieve entity properties from a context.");
this.em = getEntityManager("MultiRetrievePropertiesFromContext", false);
entityB.setProperties(Generators.createProperties(50));
final Descriptor bDescriptor = new EntityDescriptor(CONTEXT_ONE);
bDescriptor.addAttributeContext(OWLClassB.class.getDeclaredField("properties"), CONTEXT_TWO);
bDescriptor.addAttributeContext(OWLClassB.class.getDeclaredField("stringAttribute"), null);
em.getTransaction().begin();
em.persist(entityB, bDescriptor);
em.getTransaction().commit();
final OWLClassB res = em.find(OWLClassB.class, entityB.getUri(), bDescriptor);
assertNotNull(res);
assertEquals(entityB.getStringAttribute(), res.getStringAttribute());
assertTrue(TestEnvironmentUtils.arePropertiesEqual(entityB.getProperties(), res.getProperties()));
}
}