| /* |
| * Copyright (c) 1998, 2021 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: |
| // dminsky - initial API and implementation |
| package org.eclipse.persistence.testing.tests.queries; |
| |
| import java.util.List; |
| import java.util.Vector; |
| |
| import org.eclipse.persistence.queries.ReadAllQuery; |
| import org.eclipse.persistence.queries.ScrollableCursor; |
| import org.eclipse.persistence.testing.framework.TestCase; |
| import org.eclipse.persistence.testing.models.employee.domain.Employee; |
| |
| import org.eclipse.persistence.testing.framework.TestWarningException; |
| |
| /** |
| * Test using a ScrollableCursor with a simple joined attribute. |
| * Bug 351509 - Null Pointer Exception when using ScrollableCursor on a OneToMany Mapping |
| */ |
| public class ScrollableCursorJoinedAttributeTest extends TestCase { |
| |
| protected List cursoredResults; |
| protected Exception caughtException; |
| |
| public ScrollableCursorJoinedAttributeTest() { |
| super(); |
| setDescription("Scrollable Cursor Test incorporating a joined attribute"); |
| } |
| |
| @Override |
| public void test() { |
| if (getSession().getPlatform().isHANA() || getSession().getPlatform().isSQLServer()) { |
| throw new TestWarningException("ScrollableCursor is not supported on this platform"); |
| } |
| |
| getSession().getIdentityMapAccessor().initializeAllIdentityMaps(); |
| |
| cursoredResults = new Vector(); |
| ReadAllQuery cursoredQuery = new ReadAllQuery(Employee.class); |
| cursoredQuery.useScrollableCursor(); |
| cursoredQuery.addJoinedAttribute(cursoredQuery.getExpressionBuilder().anyOfAllowingNone("phoneNumbers")); |
| cursoredQuery.addOrdering(cursoredQuery.getExpressionBuilder().get("id")); |
| |
| try { |
| ScrollableCursor cursor = (ScrollableCursor)getSession().executeQuery(cursoredQuery); |
| while (cursor.hasNext()) { |
| Object result = cursor.next(); |
| cursoredResults.add(result); |
| } |
| cursor.close(); |
| } catch (Exception e) { |
| caughtException = e; |
| } |
| } |
| |
| @Override |
| public void verify() { |
| if (caughtException != null) { |
| throwError("Cursored query should not result in an exception", caughtException); |
| } |
| assertNotSame("Test data for cursored results should be nonzero", 0, cursoredResults.size()); |
| } |
| |
| @Override |
| public void reset() { |
| this.cursoredResults = null; |
| } |
| |
| } |