foundation/eclipselink.core.test/src/it/java/org/eclipse/persistence/testing/tests/feature/BatchWritingTest.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.feature;

import org.eclipse.persistence.sessions.*;
import org.eclipse.persistence.testing.framework.*;
import org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor;
import org.eclipse.persistence.testing.models.employee.domain.Address;

/**
 * This tests the use of batch writing for a large number of inserts.
 */
public class BatchWritingTest extends TransactionalTestCase {
    protected static int NUM_INSERTS = 200;

    public BatchWritingTest() {
        setDescription("Tests a large number of inserts using Batch Writing");
    }

    @Override
    public void test() {
        Address address;
        UnitOfWork uow = getSession().acquireUnitOfWork();
        for (int i = 0; i < NUM_INSERTS; i++) {
            address = new Address();
            address.setCity("city" + i);
            address.setProvince("province" + i);
            uow.registerObject(address);
        }
        uow.commit();
        //a little hack to force the SQL to go to the Database
        ((DatabaseAccessor)uow.getParent().getAccessor()).getActiveBatchWritingMechanism(getAbstractSession()).executeBatchedStatements(uow.getParent());
    }
}