foundation/eclipselink.core.test/src/it/java/org/eclipse/persistence/testing/tests/interfaces/ReadAllConformInUowTest.java

/*
 * 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:
//     ailitchev - bug 251732: query on interface fails

package org.eclipse.persistence.testing.tests.interfaces;

import java.util.Vector;

import org.eclipse.persistence.expressions.Expression;
import org.eclipse.persistence.queries.ReadAllQuery;
import org.eclipse.persistence.sessions.*;
import org.eclipse.persistence.testing.framework.*;
import org.eclipse.persistence.testing.models.interfaces.*;

public class ReadAllConformInUowTest extends TestCase {

    @Override
    public void test() {
        UnitOfWork uow = getSession().acquireUnitOfWork();

        Email email = new Email();
        Email emailClone = (Email)uow.registerObject(email);
        emailClone.setAddress("info@Conform.com");

        Phone phone = new Phone();
        Phone phoneClone = (Phone)uow.registerObject(phone);
        phoneClone.setNumber("123 456-7890");

        uow.assignSequenceNumbers();

        Number emailId = emailClone.getId();
        Number phoneId = phoneClone.getId();
        Vector ids = new Vector(2);
        ids.add(emailId);
        ids.add(phoneId);

        ReadAllQuery query = new ReadAllQuery(Contact.class);
        Expression exp = query.getExpressionBuilder().get("id").in(ids);
        query.setSelectionCriteria(exp);
        query.conformResultsInUnitOfWork();

        Vector result;
        try {
            result = (Vector)uow.executeQuery(query);
        } finally {
            uow.release();
        }

        // Note that in theory there could be up to 4 objects returned:
        // one of each class corresponding to each id - therefore check directly for our objects
        // instead of checking the number of the objects returned.
        String errorMsg = "";
        if(!result.contains(emailClone)) {
            errorMsg += "The result doesn't contain Email; ";
        }
        if(!result.contains(phoneClone)) {
            errorMsg += "The result doesn't contain Phone.";
        }
        if(errorMsg.length() > 0) {
            throw new TestErrorException(errorMsg);
        }
    }
}