| /* |
| * 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.feature; |
| |
| import org.eclipse.persistence.testing.models.employee.domain.*; |
| import org.eclipse.persistence.sequencing.SequencingControl; |
| import org.eclipse.persistence.testing.framework.*; |
| |
| public class SequencingRollbackTest extends AutoVerifyTestCase { |
| protected boolean shouldUseSeparateConnection; |
| protected boolean shouldUseSeparateConnectionOriginal; |
| protected int sequencePreallocationSizeOriginal; |
| protected boolean failed; |
| |
| public SequencingRollbackTest(boolean shouldUseSeparateConnection) { |
| super(); |
| String name = "Sequencing rollback test - "; |
| this.shouldUseSeparateConnection = shouldUseSeparateConnection; |
| if (shouldUseSeparateConnection) { |
| setName(name + "separate sequencing accessor is allowed"); |
| } else { |
| setName(name + "separate sequencing accessor is NOT allowed"); |
| } |
| } |
| |
| protected SequencingControl getSequencingControl() { |
| return getDatabaseSession().getSequencingControl(); |
| } |
| |
| @Override |
| public void setup() { |
| shouldUseSeparateConnectionOriginal = getSequencingControl().shouldUseSeparateConnection(); |
| // sequencePreallocationSizeOriginal = getSequencingControl().getPreallocationSize(); |
| if (shouldUseSeparateConnectionOriginal != shouldUseSeparateConnection) { |
| getSequencingControl().setShouldUseSeparateConnection(shouldUseSeparateConnection); |
| getSequencingControl().resetSequencing(); |
| } |
| getSequencingControl().initializePreallocated(); |
| // getSequencingControl().setPreallocationSize(2); |
| } |
| |
| @Override |
| public void test() { |
| beginTransaction(); |
| |
| // There are no sequence numbers preallocated, therefore new 2 sequence numbers |
| // should be preallocated during getNextValue call |
| int seqNum1 = getSession().getNextSequenceNumberValue(Employee.class).intValue(); |
| |
| rollbackTransaction(); |
| |
| int seqNum2 = getSession().getNextSequenceNumberValue(Employee.class).intValue(); |
| int seqNum3 = getSession().getNextSequenceNumberValue(Employee.class).intValue(); |
| int seqNum4 = getSession().getNextSequenceNumberValue(Employee.class).intValue(); |
| |
| // this would cause PK unique constrain vialotion |
| failed = seqNum2 == seqNum4; |
| } |
| |
| @Override |
| public void verify() { |
| if (failed) { |
| throw new TestErrorException("Duplication of sequence number has occurred"); |
| } |
| } |
| |
| @Override |
| public void reset() { |
| if (shouldUseSeparateConnectionOriginal != shouldUseSeparateConnection) { |
| getSequencingControl().setShouldUseSeparateConnection(shouldUseSeparateConnectionOriginal); |
| getSequencingControl().resetSequencing(); |
| } |
| getSequencingControl().initializePreallocated(); |
| // getSequencingControl().setPreallocationSize(sequencePreallocationSizeOriginal); |
| } |
| } |