foundation/eclipselink.core.test/src/it/java/org/eclipse/persistence/testing/tests/performance/writing/MassInsertEmployeeUnitOfWorkTest.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.performance.writing;

import org.eclipse.persistence.sessions.*;
import org.eclipse.persistence.queries.*;
import org.eclipse.persistence.testing.models.performance.EmploymentPeriod;
import org.eclipse.persistence.testing.models.performance.toplink.*;
import org.eclipse.persistence.internal.helper.Helper;
import org.eclipse.persistence.testing.tests.performance.PerformanceTest;

/**
 * This tests the performance of unit of work mass inserts.
 * Its purpose is to compare the test result with previous release/label results.
 * It also provides a useful test for profiling performance.
 */
public class MassInsertEmployeeUnitOfWorkTest extends PerformanceTest {
    public MassInsertEmployeeUnitOfWorkTest() {
        // Needs to run for a long time.
        setTestRunTime(100000);
        setDescription("This tests the performance of unit of work mass inserts.");
    }

    /**
     * Insert 100 employees and then reset database/cache.
     */
    @Override
    public void test() throws Exception {
        UnitOfWork uow = getSession().acquireUnitOfWork();
        for (int index = 0; index < 100; index++) {
            Employee empInsert = new Employee();
            empInsert.setFirstName("NewGuy");
            empInsert.setMale();
            empInsert.setLastName("Smith");
            empInsert.setSalary(1055);
            EmploymentPeriod employmentPeriod = new EmploymentPeriod();
            java.sql.Date startDate = Helper.dateFromString("1901-12-31");
            java.sql.Date endDate = Helper.dateFromString("1895-01-01");
            employmentPeriod.setEndDate(startDate);
            employmentPeriod.setStartDate(endDate);
            empInsert.setPeriod(employmentPeriod);
            uow.registerObject(empInsert);
        }
        uow.commit();
        getSession().getIdentityMapAccessor().initializeAllIdentityMaps();
        uow = getSession().acquireUnitOfWork();
        uow.executeNonSelectingCall(new SQLCall("Delete from EMPLOYEE where F_NAME = 'NewGuy'"));
        uow.commit();
    }
}