| /* |
| * 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.unitofwork; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| import java.util.Collection; |
| |
| import org.eclipse.persistence.indirection.IndirectCollectionsFactory; |
| import org.eclipse.persistence.sessions.Session; |
| import org.eclipse.persistence.sessions.UnitOfWork; |
| import org.eclipse.persistence.testing.framework.TestErrorException; |
| import org.eclipse.persistence.testing.framework.TestWarningException; |
| import org.eclipse.persistence.testing.models.transparentindirection.Order; |
| import org.eclipse.persistence.testing.models.transparentindirection.OrderLine; |
| |
| |
| /** |
| * This test checks on a previous problem TopLink had with merging clones and |
| * serialization. If an existing object was serialized and deserialized and another |
| * reference added to that object. Then the object was serialized and deserialized |
| * and deepMergeClone'd into a unit of work and committed. |
| * When the origional object was then serialized and deserialized and modified, then serialized |
| * and deserialized and deepMergeClone'd with another unit of work and committed the changes are |
| * not saved |
| */ |
| public class DeepMergeCloneIndirectionTest extends org.eclipse.persistence.testing.framework.AutoVerifyTestCase { |
| public Order orderObject; |
| |
| public DeepMergeCloneIndirectionTest() { |
| setDescription("This test verifies that deepMergeClone works after a serialized transaction. When nested objects use indirection."); |
| } |
| |
| @Override |
| public void setup() { |
| if (getSession() instanceof org.eclipse.persistence.sessions.remote.RemoteSession) { |
| throw new TestWarningException("This test cannot be run through the remote."); |
| } |
| getAbstractSession().beginTransaction(); |
| this.orderObject = new Order(); |
| this.orderObject.contacts = IndirectCollectionsFactory.createIndirectList(); |
| this.orderObject.lines = IndirectCollectionsFactory.createIndirectList(); |
| this.orderObject.setTotal(56789); |
| this.orderObject.customerName = "henry"; |
| //Using a unit of work here becuase this test is used in the clientSession Tests |
| UnitOfWork uow = getSession().acquireUnitOfWork(); |
| uow.registerObject(this.orderObject); |
| uow.commit(); |
| } |
| |
| @Override |
| public void reset() { |
| if (getAbstractSession().isInTransaction()) { |
| getAbstractSession().rollbackTransaction(); |
| getSession().getIdentityMapAccessor().initializeIdentityMaps(); |
| } |
| } |
| |
| /** |
| * This test creates an object and registers it with a unit of work. It then serializes that |
| * object and deserializes it. Adds an object onto the origional then performs serialization |
| * sequence again. Then deepMergeClone is attempted and the results are compared to verify that |
| * the merge worked. |
| */ |
| @Override |
| public void test() { |
| try { |
| ByteArrayOutputStream byteStream = new ByteArrayOutputStream(); |
| ObjectOutputStream stream = new ObjectOutputStream(byteStream); |
| |
| //create the phoneNumber object |
| Order orderClone; |
| Session session = getSession(); |
| org.eclipse.persistence.sessions.UnitOfWork uow = session.acquireUnitOfWork(); |
| |
| this.orderObject = (Order)session.readObject(Order.class); |
| //force instantiations of value holders before serialization |
| ((Collection)this.orderObject.getLineContainer()).size(); |
| |
| //serialize object by writing to a stream |
| stream.writeObject(this.orderObject); |
| stream.flush(); |
| byte[] arr = byteStream.toByteArray(); |
| ByteArrayInputStream inByteStream = new ByteArrayInputStream(arr); |
| ObjectInputStream inObjStream = new ObjectInputStream(inByteStream); |
| Order deserialOrder; |
| |
| //deserialize the object |
| try { |
| deserialOrder = (Order)inObjStream.readObject(); |
| } catch (ClassNotFoundException e) { |
| throw new TestErrorException("Could not deserialize object " + e.toString()); |
| } |
| |
| //add a new manager, test 1-m's |
| OrderLine newLine = new OrderLine(); |
| ((Collection)deserialOrder.getLineContainer()).clear(); |
| deserialOrder.addLine(newLine); |
| newLine.order = deserialOrder; |
| |
| orderClone = (Order)uow.registerObject(this.orderObject); |
| |
| orderClone = (Order)uow.deepMergeClone(deserialOrder); |
| uow.commit(); |
| } catch (IOException e) { |
| throw new TestErrorException("Error running Test " + e.toString()); |
| } catch (NullPointerException exception) { |
| throw new TestErrorException("Test Failed. Backup clone indirection was not triggered in mergeIntoObject."); |
| } |
| } |
| |
| /* |
| * Checks to see that the names of the updated version and the origional are the same |
| */ |
| |
| @Override |
| public void verify() { |
| } |
| } |