foundation/eclipselink.core.test/src/it/java/org/eclipse/persistence/testing/tests/queries/report/Scenario1_2.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.report;

import java.util.*;

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

/**
 * ReportQuery test for Scenario 1.1
 * SELECT F_NAME, L_NAME FROM EMPLOYEE
 */
public class Scenario1_2 extends ReportQueryTestCase {
    public Scenario1_2() {
        setDescription("DTF mappings with 1 Class & 2 Tables");
    }

    @Override
    protected void buildExpectedResults() {
        Vector employees = getSession().readAllObjects(Employee.class);

        for (Enumeration e = employees.elements(); e.hasMoreElements(); ) {
            Employee emp = (Employee)e.nextElement();
            if ((emp.getSalary() > 40000) && (emp.getSalary() < 100000)) {
                Object[] result = new Object[3];
                result[0] = emp.getFirstName();
                result[1] = emp.getLastName();
                result[2] = emp.getSalary();
                addResult(result, null);
            }
        }
    }

    @Override
    protected void setup() throws Exception {
        super.setup();
        reportQuery = new ReportQuery(new ExpressionBuilder());

        reportQuery.setReferenceClass(Employee.class);
        reportQuery.addAttribute("firstName");
        reportQuery.addAttribute("lastName");
        reportQuery.addAttribute("salary");

        Expression exp1 = reportQuery.getExpressionBuilder().get("salary").greaterThan(40000);
        Expression exp2 = reportQuery.getExpressionBuilder().get("salary").lessThan(100000);
        reportQuery.setSelectionCriteria(exp1.and(exp2));
    }
}