foundation/eclipselink.core.test/src/org/eclipse/persistence/testing/tests/queries/ShallowModifyTest.java

/*******************************************************************************
 * 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;

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

/**
 * Test a non-cascaded write.
 */
public class ShallowModifyTest extends TestCase {
    protected Employee employeeFromDatabase;
    protected String addressCity;
    protected Number addressId;

    /**
     * ShallowModifyTest constructor comment.
     */
    public ShallowModifyTest() {
        super();
    }

    protected void setup() {
        beginTransaction();
        employeeFromDatabase = (Employee)getSession().readObject(Employee.class);
    }

    public void reset() {
        getSession().getIdentityMapAccessor().initializeIdentityMaps();
        rollbackTransaction();
    }

    public void test() {
        Address address;

        // Modify the address
        address = employeeFromDatabase.getAddress();
        addressCity = address.getCity();
        addressId = address.getId();
        address.setCity("Chelmsford");

        // Create update query and update the 
        UpdateObjectQuery query = new UpdateObjectQuery();
        query.setObject(employeeFromDatabase);
        query.dontCascadeParts();

        getSession().executeQuery(query);
    }

    protected void verify() {
        Address address;
        Expression expression;

        expression = new ExpressionBuilder().get("id").equal(addressId.intValue());

        getSession().getIdentityMapAccessor().initializeIdentityMaps();
        address = (Address)getSession().readObject(Address.class, expression);

        if (!(address.getCity().equals(addressCity))) {
            throw new TestErrorException("The shallow modify test failed.  The private owned relationship has been modified");
        }
    }
}