| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.openjpa.persistence.sequence; |
| |
| import org.apache.openjpa.jdbc.conf.JDBCConfiguration; |
| import org.apache.openjpa.jdbc.sql.DBDictionary; |
| import org.apache.openjpa.persistence.OpenJPAEntityManager; |
| import org.apache.openjpa.persistence.OpenJPAEntityManagerFactorySPI; |
| import org.apache.openjpa.persistence.test.SingleEMFTestCase; |
| |
| /** |
| * Tests the drop then add schema action for SynchronizeMappings when a |
| * native sequence suffixed with "_seq" is in use. This test only runs when |
| * the configured database supports native sequences. |
| */ |
| public class TestDropAddSequence extends SingleEMFTestCase { |
| |
| @Override |
| public void setUp() throws Exception { |
| |
| // Create a basic emf to determine whether sequences are supported. |
| // If so, run the normal setup with the test PU. |
| OpenJPAEntityManagerFactorySPI tempEMF = createNamedEMF("test"); |
| try { |
| if (!supportsSequences(tempEMF)) { |
| return; |
| } |
| } finally { |
| if (tempEMF != null) { |
| tempEMF.close(); |
| } |
| } |
| super.setUp(); |
| // Force creation of the base schema artifacts including the base |
| // sequences (add, no drop) |
| emf.createEntityManager().close(); |
| } |
| |
| @Override |
| protected String getPersistenceUnitName() { |
| return "TestDropAddSequence"; |
| } |
| |
| |
| /** |
| * Verifies a new EMF can be created when the runtime forward mapping tool |
| * is enabled with drop then add schema action when an entity contains a |
| * named native sequence suffixed with "_seq". |
| */ |
| public void testDropAddSequence() { |
| |
| if (!supportsSequences(emf)) { |
| return; |
| } |
| |
| Object[] props = new Object[] { "openjpa.jdbc.SynchronizeMappings", |
| "buildSchema(SchemaAction='drop,add')" }; |
| OpenJPAEntityManagerFactorySPI oemf = createNamedEMF("TestDropAddSequence",props); |
| |
| OpenJPAEntityManager em = oemf.createEntityManager(); |
| |
| em.close(); |
| oemf.close(); |
| } |
| |
| private boolean supportsSequences(OpenJPAEntityManagerFactorySPI oemf) { |
| if (oemf == null) { |
| return false; |
| } |
| DBDictionary dict = ((JDBCConfiguration)oemf.getConfiguration()).getDBDictionaryInstance(); |
| if (dict != null) { |
| return dict.nextSequenceQuery != null; |
| } |
| return false; |
| } |
| } |