CursoredStreamAnyOfTest.java

/*******************************************************************************
 * Copyright (c) 1998, 2015 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.*;

public class CursoredStreamAnyOfTest extends TestCase {
    public CursoredStreamAnyOfTest() {
        setDescription("Verify the size works correctly with distinct through anyOf");
    }

    public void setup() {
        // Access does not like this distinct.
        if (getSession().getPlatform().isAccess()) {
            throw new TestWarningException("Access does not support distinct in counts.");
        }
    }

    public void test() {
        ReadAllQuery query = new ReadAllQuery();
        query.setReferenceClass(Employee.class);
        ExpressionBuilder builder = new ExpressionBuilder();
        Expression exp = builder.anyOf("managedEmployees").get("salary").greaterThan(0);
        query.setSelectionCriteria(exp);
        query.useCursoredStream(1, 1);
        CursoredStream stream = (CursoredStream)getSession().executeQuery(query);
        try {
            stream.read(1);
            if (stream.size() != (getSession().readAllObjects(Employee.class, exp)).size()) {
                throw new TestErrorException("Size is incorrect");
            }
        } finally {
            stream.close();
        }


        query = new ReadAllQuery();
        query.setReferenceClass(org.eclipse.persistence.testing.models.legacy.Employee.class);
        builder = new ExpressionBuilder();
        exp = builder.anyOf("shipments").get("shipmentNumber").equal(10000);
        query.setSelectionCriteria(exp);
        query.useCursoredStream(1, 1);
        stream = (CursoredStream)getSession().executeQuery(query);
        try {
            if (stream.size() !=
                (getSession().readAllObjects(org.eclipse.persistence.testing.models.legacy.Employee.class, exp)).size()) {
                throw new TestErrorException("Size is incorrect");
            }
        } finally {
            stream.close();
        }
    }
}