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/*
* Copyright (c) 1998, 2021 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0,
* or the Eclipse Distribution License v. 1.0 which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
*/
// Contributors:
// Oracle - initial API and implementation from Oracle TopLink
package org.eclipse.persistence.testing.tests.aggregate;
import org.eclipse.persistence.descriptors.ClassDescriptor;
import org.eclipse.persistence.queries.*;
import org.eclipse.persistence.expressions.*;
import org.eclipse.persistence.sessions.*;
import org.eclipse.persistence.mappings.querykeys.*;
import org.eclipse.persistence.testing.framework.*;
import org.eclipse.persistence.testing.models.aggregate.GolfClub;
import org.eclipse.persistence.testing.models.aggregate.GolfClubShaft;
/**
* Bug 3995468
* Ensure that an in-memory query works when a DirectQueryKey that maps to an attribute defined in
* an attribute works.
*/
public class InMemoryQueryKeyToAggregateTest extends AutoVerifyTestCase {
protected boolean shouldLoadObjectsIntoMemory = false;
protected GolfClub club = null;
protected GolfClub originalClub = null;
public InMemoryQueryKeyToAggregateTest(boolean shouldLoadObjectsIntoMemory) {
setName("InMemoryQueryKeyToAggregateTest - load into memory = " + shouldLoadObjectsIntoMemory);
setDescription("Ensure that an in-memory query works when a DirectQueryKey that maps to an attribute defined in an attribute works.");
this.shouldLoadObjectsIntoMemory = shouldLoadObjectsIntoMemory;
}
@Override
public void setup() {
ClassDescriptor descriptor = getSession().getClassDescriptor(GolfClub.class);
descriptor.addDirectQueryKey("stiffness", "GOLF_CLUB.SHAFT_STIFFNESS");
DirectQueryKey key = (DirectQueryKey)descriptor.getQueryKeyNamed("stiffness");
key.initialize(descriptor);
beginTransaction();
UnitOfWork uow = getSession().acquireUnitOfWork();
originalClub = (GolfClub)uow.registerObject(new GolfClub());
GolfClubShaft shaft = new GolfClubShaft();
shaft.setStiffnessRating("R");
originalClub.setShaft(shaft);
uow.commit();
getSession().getIdentityMapAccessor().initializeAllIdentityMaps();
}
@Override
public void test() {
UnitOfWork uow = getSession().acquireUnitOfWork();
if (shouldLoadObjectsIntoMemory) {
uow.readAllObjects(GolfClub.class);
}
ReadObjectQuery query = new ReadObjectQuery(GolfClub.class);
query.conformResultsInUnitOfWork();
ExpressionBuilder clubs = new ExpressionBuilder();
Expression exp = clubs.get("stiffness").equal("R");
query.setSelectionCriteria(exp);
club = (GolfClub)uow.executeQuery(query);
}
@Override
public void verify() {
if ((club == null) || !(club.getId().equals(originalClub.getId()))) {
throw new TestErrorException("Executing an in-memory query with a query key to an aggregate returns the wrong result.");
}
}
@Override
public void reset() {
rollbackTransaction();
ClassDescriptor descriptor = getSession().getClassDescriptor(GolfClub.class);
descriptor.getQueryKeys().remove("stiffness");
getSession().getIdentityMapAccessor().initializeAllIdentityMaps();
}
}