| /* |
| * 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: |
| // Oracle - initial API and implementation from Oracle TopLink |
| package org.eclipse.persistence.testing.tests.queries; |
| |
| import java.util.*; |
| |
| import org.eclipse.persistence.testing.framework.*; |
| import org.eclipse.persistence.testing.models.employee.domain.*; |
| import org.eclipse.persistence.queries.*; |
| import org.eclipse.persistence.expressions.*; |
| import org.eclipse.persistence.sessions.*; |
| |
| /** |
| * Runs cursored stream tests with conforming. |
| * @bug 3009570 Conforming Cursors |
| * @author Stephen McRitchie |
| */ |
| |
| public class CursoredStreamConformingTest extends CursoredStreamTest |
| { |
| protected ConformingTestConfiguration configuration; |
| protected boolean useNestedUnitOfWork; |
| |
| public CursoredStreamConformingTest() { |
| super(Employee.class, (new ExpressionBuilder()).get("salary").greaterThan(50000)); |
| configuration = new ConformingTestConfiguration(); |
| } |
| |
| public CursoredStreamConformingTest(boolean useNestedUnitOfWork) { |
| this(); |
| if (useNestedUnitOfWork) { |
| setName(getName() + ":NestedUnitOfWork"); |
| this.useNestedUnitOfWork = true; |
| } |
| |
| } |
| @Override |
| protected void setup() |
| { |
| getSession().getIdentityMapAccessor().initializeAllIdentityMaps(); |
| |
| configuration.setup(getSession()); |
| UnitOfWork unitOfWork = configuration.getUnitOfWork(); |
| |
| ReadAllQuery query = new ReadAllQuery(getReferenceClass(), joinExpression); |
| query.conformResultsInUnitOfWork(); |
| Vector result = (Vector)unitOfWork.executeQuery(query); |
| |
| // Since conforming can not preserve order, must simply compare the |
| // two results by PK. |
| Vector expectedPKs = new Vector(result.size()); |
| for (Enumeration enumtr = result.elements(); enumtr.hasMoreElements();) { |
| Employee emp = (Employee)enumtr.nextElement(); |
| expectedPKs.add(emp.getId()); |
| } |
| setNormalQueryObjects(expectedPKs); |
| |
| configuration.reset(); |
| getSession().getIdentityMapAccessor().initializeAllIdentityMaps(); |
| |
| configuration.setup(getSession()); |
| if (useNestedUnitOfWork) { |
| getExecutor().setSession(configuration.getUnitOfWork().acquireUnitOfWork()); |
| } else { |
| getExecutor().setSession(configuration.getUnitOfWork()); |
| } |
| } |
| @Override |
| public void test ( ) { |
| |
| ReadAllQuery query = new ReadAllQuery(); |
| CursoredStream stream = null; |
| |
| try { |
| Object databaseObject; |
| |
| cursoredQueryObjects = new Vector(); |
| |
| query.setReferenceClass(getReferenceClass()); |
| query.setSelectionCriteria(joinExpression); |
| query.conformResultsInUnitOfWork(); |
| query.useCursoredStream(); |
| stream = (CursoredStream) getSession().executeQuery(query); |
| |
| // Test dual cursors and read(int) |
| CursoredStream stream2 = (CursoredStream) getSession().executeQuery(query); |
| try { |
| stream2.read(5); |
| } catch (org.eclipse.persistence.exceptions.QueryException ex) {} // ignore at end |
| stream2.close(); |
| while (!stream.atEnd()) { |
| databaseObject = stream.read(); |
| getCursoredQueryObjects().addElement(((Employee)databaseObject).getId()); |
| stream.releasePrevious(); |
| } |
| } finally { |
| if (stream != null) { |
| stream.close(); |
| } |
| } |
| } |
| /** |
| * Verify if number of query objects matches number of cursor objects |
| */ |
| @Override |
| protected void verify() |
| { |
| //System.out.println("Normal objects: " + getNormalQueryObjects()); |
| //System.out.println("Conforming objects: " + getCursoredQueryObjects()); |
| if (getNormalQueryObjects().size() != getCursoredQueryObjects().size()) { |
| throw new TestErrorException("The number of streamed objects does not match the number of objects stored on the database "); |
| } |
| |
| if (getNormalQueryObjects().size() == 0) { |
| throw new TestWarningException("no object with the specified selection criteria was found "); |
| } |
| |
| for (Enumeration enumtr = getNormalQueryObjects().elements(); enumtr.hasMoreElements();) { |
| Object nextObject = enumtr.nextElement(); |
| if (!getCursoredQueryObjects().remove(nextObject)) { |
| throw new TestErrorException("The following element was not found in the conformed result: " + nextObject); |
| } |
| } |
| } |
| |
| @Override |
| public void reset() { |
| if (useNestedUnitOfWork) { |
| getExecutor().getSession().release(); |
| } |
| getExecutor().setSession(configuration.getUnitOfWork().getParent()); |
| configuration.reset(); |
| } |
| } |