| /* |
| * Copyright (c) 1998, 2019 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: |
| // Vikram Bhatia |
| package org.eclipse.persistence.testing.tests.inheritance; |
| |
| import java.util.Collection; |
| |
| import org.eclipse.persistence.exceptions.DatabaseException; |
| import org.eclipse.persistence.expressions.Expression; |
| import org.eclipse.persistence.queries.ReadAllQuery; |
| import org.eclipse.persistence.testing.framework.TestCase; |
| import org.eclipse.persistence.testing.framework.TestErrorException; |
| import org.eclipse.persistence.testing.models.inheritance.GrassHopper; |
| import org.eclipse.persistence.testing.models.inheritance.Insect; |
| |
| /** |
| * Test for executing a query with pagination on sub-entities using downcasting. |
| * Bug 380929 |
| */ |
| public class PaginationInheritanceTest extends TestCase { |
| |
| |
| public PaginationInheritanceTest() { |
| setDescription("Verifies that inheritance queries are well formed with pagination."); |
| } |
| |
| @Override |
| public void reset() { |
| getAbstractSession().rollbackTransaction(); |
| getSession().getIdentityMapAccessor().initializeAllIdentityMaps(); |
| } |
| |
| @Override |
| public void setup() { |
| getAbstractSession().beginTransaction(); |
| } |
| |
| @Override |
| public void test() { |
| ReadAllQuery query = new ReadAllQuery(); |
| query.setReferenceClass(Insect.class); |
| Expression expression = query.getExpressionBuilder(); |
| Expression filter = expression.treat(GrassHopper.class).get("gh_maximumJump").equal(5); |
| |
| query.setFirstResult(0); |
| query.setMaxRows(10); |
| query.setSelectionCriteria(filter); |
| |
| try { |
| Collection<Insect> result = (Collection<Insect>) getAbstractSession().executeQuery(query); |
| } catch (DatabaseException ex) { |
| throw new TestErrorException("Failed to fetch results with downcasting and pagination. " + ex.getMessage()); |
| } |
| } |
| } |