| /* |
| * 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 org.eclipse.persistence.sessions.Session; |
| import org.eclipse.persistence.testing.framework.TestErrorException; |
| import org.eclipse.persistence.testing.framework.TestWarningException; |
| import org.eclipse.persistence.testing.models.employee.domain.Address; |
| import org.eclipse.persistence.testing.models.employee.domain.Employee; |
| import org.eclipse.persistence.testing.models.employee.domain.EmploymentPeriod; |
| |
| |
| /** |
| * 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 DeepMergeCloneSerializedObjectReferenceChangesTest extends org.eclipse.persistence.testing.framework.AutoVerifyTestCase { |
| public Employee original; |
| public Employee mergedClone; |
| public Employee deserialEmp; |
| |
| //stuff changed |
| public Address firstAddress; |
| public EmploymentPeriod originalEmployment; |
| |
| public DeepMergeCloneSerializedObjectReferenceChangesTest() { |
| setDescription("This test verifies that deepMergeClone works after a serialized transaction"); |
| } |
| |
| @Override |
| public void reset() { |
| if (getAbstractSession().isInTransaction()) { |
| getAbstractSession().rollbackTransaction(); |
| getSession().getIdentityMapAccessor().initializeIdentityMaps(); |
| } |
| } |
| |
| @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 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 |
| Employee empClone; |
| Session session = getSession(); |
| org.eclipse.persistence.sessions.UnitOfWork uow = session.acquireUnitOfWork(); |
| this.original = |
| (Employee)session.readObject(Employee.class, new org.eclipse.persistence.expressions.ExpressionBuilder().get("firstName").equal("Bob")); |
| //force instantiations of value holders before serialization |
| this.firstAddress = this.original.getAddress(); |
| this.originalEmployment = new EmploymentPeriod(); |
| this.originalEmployment.setStartDate(this.original.getPeriod().getStartDate()); |
| this.originalEmployment.setEndDate(this.original.getPeriod().getEndDate()); |
| |
| //serialize object by writing to a stream |
| stream.writeObject(this.original); |
| stream.flush(); |
| byte[] arr = byteStream.toByteArray(); |
| ByteArrayInputStream inByteStream = new ByteArrayInputStream(arr); |
| ObjectInputStream inObjStream = new ObjectInputStream(inByteStream); |
| |
| //deserialize the object |
| try { |
| this.deserialEmp = (Employee)inObjStream.readObject(); |
| } catch (ClassNotFoundException e) { |
| throw new TestErrorException("Could not deserialize object " + e.toString()); |
| } |
| |
| Address newAddress = new Address(); |
| newAddress.city = "CITY"; |
| newAddress.province = "PROV"; |
| newAddress.postalCode = "K9K0K0"; |
| newAddress.street = "STREET"; |
| newAddress.country = "COUNTRY"; |
| this.deserialEmp.setAddress(newAddress); |
| |
| EmploymentPeriod employment = new EmploymentPeriod(); |
| employment.setStartDate(new java.sql.Date(194560000L)); |
| employment.setEndDate(new java.sql.Date(1999000000L)); |
| this.deserialEmp.setPeriod(employment); |
| |
| byteStream = new ByteArrayOutputStream(); |
| stream = new ObjectOutputStream(byteStream); |
| //send the ammended object back through the serialization process |
| stream.writeObject(deserialEmp); |
| stream.flush(); |
| arr = byteStream.toByteArray(); |
| inByteStream = new ByteArrayInputStream(arr); |
| inObjStream = new ObjectInputStream(inByteStream); |
| try { |
| deserialEmp = (Employee)inObjStream.readObject(); |
| } catch (ClassNotFoundException e) { |
| throw new TestErrorException("Could not deserialize object " + e.toString()); |
| } |
| |
| //merge the ammended clone with the unit of work |
| empClone = (Employee)uow.deepMergeClone(deserialEmp); |
| uow.commit(); |
| } catch (IOException e) { |
| throw new TestErrorException("Error running Test " + e.toString()); |
| } |
| } |
| |
| /* |
| * Checks to see that the names of the updated version and the origional are the same |
| */ |
| |
| @Override |
| public void verify() { |
| Employee cachedEmp = (Employee)getSession().readObject(this.original); |
| if (cachedEmp.getPeriod().getEndDate().equals(this.originalEmployment.getEndDate())) { |
| throw new TestErrorException("Failed to update the aggregate"); |
| } |
| if (cachedEmp.getPeriod().getStartDate().equals(this.originalEmployment.getStartDate())) { |
| throw new TestErrorException("Failed to update the aggregate"); |
| } |
| |
| if (!cachedEmp.getPeriod().getEndDate().equals(new java.sql.Date(1999000000L))) { |
| throw new TestErrorException("Failed to update the aggregate with new values"); |
| } |
| if (!cachedEmp.getPeriod().getStartDate().equals(new java.sql.Date(194560000L))) { |
| throw new TestErrorException("Failed to update the aggregate with new values"); |
| } |
| |
| if (getAbstractSession().compareObjects(this.firstAddress, cachedEmp.getAddress())) { |
| throw new TestErrorException("Failed to update address correctly"); |
| } |
| } |
| } |