| /* |
| * 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.events; |
| |
| import java.util.*; |
| import org.eclipse.persistence.internal.databaseaccess.*; |
| import org.eclipse.persistence.sessions.*; |
| import org.eclipse.persistence.queries.*; |
| import org.eclipse.persistence.testing.framework.*; |
| |
| /** |
| * CR#3237 |
| * Test to make sure when the row provided in an aboutToInsert event is added to, |
| * the addition will be reflected in the insert. |
| */ |
| public abstract class AboutToInsertEventTest extends TestCase { |
| protected Object objectToInsert = null; |
| protected Accessor writeConnection = null; |
| protected boolean isMultithreaded = false; |
| |
| public AboutToInsertEventTest(Object objectToInsert, boolean isMultithreaded) { |
| this.objectToInsert = objectToInsert; |
| this.isMultithreaded = isMultithreaded; |
| } |
| |
| /** |
| * Sub classes will build an SQL string that returns results if the test |
| * passes and does not return results if the test fails. |
| */ |
| public abstract String getSQLVerificationString(); |
| |
| @Override |
| public void setup() { |
| // Both subclasses of this test check objectToInsert.getId(), but it is null in case |
| // pk assigned to the object after INSERT |
| if (getSession().getDescriptor(objectToInsert.getClass()).isPrimaryKeySetAfterInsert(getAbstractSession())) { |
| throw new TestWarningException("This test can't run because the primary key is set into the object after INSERT "); |
| } |
| |
| // Multithreaded tests cannot initialize identity maps at this time. |
| // It might interfere with other tests |
| if (!isMultithreaded) { |
| getSession().getIdentityMapAccessor().initializeIdentityMaps(); |
| } |
| beginTransaction(); |
| |
| // Save the accessor so we can the same accessor for reading was |
| // we use in our transaction. This allows us to do reads on the |
| // data we change in our transaction |
| if (isMultithreaded) { |
| writeConnection = getAbstractSession().getAccessor(); |
| } |
| } |
| |
| @Override |
| public void test() { |
| // Insert an object |
| // An event listener will be triggered |
| UnitOfWork uow = getSession().acquireUnitOfWork(); |
| uow.registerNewObject(objectToInsert); |
| uow.commit(); |
| } |
| |
| @Override |
| public void verify() { |
| DataReadQuery query = new DataReadQuery(getSQLVerificationString()); |
| |
| // In the multithreaded case, we need to ensure we read from the same thread |
| // as we wrote with |
| if (isMultithreaded) { |
| query.setAccessor(writeConnection); |
| } |
| Vector result = (Vector)getSession().executeQuery(query); |
| if ((result == null) || result.isEmpty()) { |
| throw new TestErrorException("The query was not updated in the aboutToInsertEvent"); |
| } |
| } |
| |
| @Override |
| public void reset() { |
| if (getAbstractSession().isInTransaction()) { |
| rollbackTransaction(); |
| } |
| writeConnection = null; |
| |
| // We can only initialize the identity maps when we are not multithreaded so as |
| // not to interfere with other threads |
| if (!isMultithreaded) { |
| getSession().getIdentityMapAccessor().initializeIdentityMaps(); |
| } |
| } |
| } |