foundation/eclipselink.core.test/src/it/java/org/eclipse/persistence/testing/tests/queries/optimization/ReadAnyObjectJoinPhoneTest.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:
//     Oracle - initial API and implementation from Oracle TopLink
package org.eclipse.persistence.testing.tests.queries.optimization;

import org.eclipse.persistence.queries.*;
import org.eclipse.persistence.testing.models.employee.domain.*;
import org.eclipse.persistence.testing.framework.*;

/**
 * Test read-object queries with no where clause an 1-m joining.
 */
public class ReadAnyObjectJoinPhoneTest extends AutoVerifyTestCase {
    public ReadAnyObjectJoinPhoneTest() {
        setDescription("Test read-object queries with no where clause an 1-m joining.");
    }

    @Override
    public void test() {
        ReadObjectQuery query = new ReadObjectQuery();
        query.setReferenceClass(Employee.class);
        query.addJoinedAttribute(query.getExpressionBuilder().anyOf("phoneNumbers"));
        Employee employee = (Employee)getSession().executeQuery(query);

        if (!employee.phoneNumbers.isInstantiated()) {
            throw new TestErrorException("Employee phones not populated from join.");
        }

        // Test that employee has correct number of phones.
        if (employee.getPhoneNumbers().size() > 5) {
            throw new TestErrorException("Employee phones not filtered.");
        }
    }
}