foundation/eclipselink.core.test/src/org/eclipse/persistence/testing/tests/queries/ConformResultsWithMultitableAndJoiningTest.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.expressions.*;
import org.eclipse.persistence.queries.*;
import org.eclipse.persistence.testing.framework.*;

/**
 * For bug 6450867
 * When Multitable mapping was queried against a superclass for a subclass result, using
 * a ReadObjectQuery and conforming, TopLink was throwing a TOPLINK-6069 error because
 * an incorrect descriptor (the superclass' descriptor) was set in the normalization process.
 */

public class ConformResultsWithMultitableAndJoiningTest extends ConformResultsInUnitOfWorkTest {

	protected String projectName = "Enterprise System";

	public ConformResultsWithMultitableAndJoiningTest() {
		super();
	}

	public void buildConformQuery() {
		conformedQuery = new ReadObjectQuery(org.eclipse.persistence.testing.models.employee.domain.Project.class);
		ExpressionBuilder builder = conformedQuery.getExpressionBuilder();
		// simple query for the LargeProject subclass
		Expression exp = builder.get("name").equal(projectName);
		conformedQuery.setSelectionCriteria(exp);
		conformedQuery.conformResultsInUnitOfWork();
	}

	public void prepareTest() {
		// no-op
	}

	public void verify() {
		if (result == null) {
			throw new TestErrorException("Result cannot be null");
		} else if (!(result instanceof org.eclipse.persistence.testing.models.employee.domain.LargeProject)) {
			throw new TestErrorException("Result is of the wrong class: " + result.getClass().getName());
		} else if (!((org.eclipse.persistence.testing.models.employee.domain.Project)result).getName().equals(projectName)) {
			throw new TestErrorException("Result is not expected object: " + result);
		}
	}

}