/*******************************************************************************
 * Copyright (c) 1998, 2013 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 v1.0 and Eclipse Distribution License v. 1.0 
 * which accompanies this distribution. 
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at 
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * 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 1.7a
 * SELECT ID FROM EMPLOYEE
 */
public class Scenario1_7d extends ReportQueryTestCase {
    public Scenario1_7d() {
        setDescription("Retrieve PKs with no items");
    }

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

        for (Enumeration e = employees.elements(); e.hasMoreElements(); ) {
            Employee emp = (Employee)e.nextElement();
            Object[] result = new Object[0];
            addResult(result, 
                      getSession().getDescriptor(Employee.class).getObjectBuilder().extractPrimaryKeyFromObject(emp, 
                                                                                                                getAbstractSession()));
        }
    }

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

        reportQuery.setReferenceClass(Employee.class);
        reportQuery.retrievePrimaryKeys();
    }
}
