| /* |
| * TestDBSequenceFactory.java |
| * |
| * Created on October 6, 2006, 1:24 PM |
| * |
| * To change this template, choose Tools | Template Manager |
| * and open the template in the editor. |
| */ |
| |
| /* |
| * 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.jdbc.schema; |
| |
| import java.util.*; |
| import javax.sql.DataSource; |
| import org.apache.openjpa.jdbc.conf.JDBCConfiguration; |
| import org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl; |
| import org.apache.openjpa.jdbc.kernel.TableJDBCSeq; |
| import org.apache.openjpa.kernel.Broker; |
| |
| import org.apache.openjpa.persistence.jdbc.common.apps.*; |
| |
| |
| import java.lang.annotation.Annotation; |
| import junit.framework.*; |
| import javax.persistence.EntityManager; |
| import javax.persistence.EntityManagerFactory; |
| import org.apache.openjpa.persistence.OpenJPAEntityManagerFactory; |
| import org.apache.openjpa.persistence.OpenJPAEntityManager; |
| |
| |
| public class TestDBSequenceFactory extends org.apache.openjpa.persistence.jdbc.kernel.BaseJDBCTest{ |
| |
| private Broker _broker; |
| |
| /** Creates a new instance of TestDBSequenceFactory */ |
| public TestDBSequenceFactory() { |
| } |
| |
| public TestDBSequenceFactory(String test) { |
| super(test); |
| } |
| |
| /** |
| * Tests that all sequence numbers are unique and in order. |
| * Will fail for dbs without pessimistic locking. |
| */ |
| public void testSequence() |
| throws Exception { |
| _broker = getBrokerFactory().newBroker(); |
| |
| Set set = Collections.synchronizedSet(new HashSet()); |
| Thread t1 = new UpdateThread(set); |
| Thread t2 = new UpdateThread(set); |
| |
| t1.start(); |
| t2.start(); |
| t1.join(5 * 60 * 1000); |
| t2.join(5 * 60 * 1000); |
| |
| assertFalse(t1.isAlive()); |
| assertFalse(t2.isAlive()); |
| |
| assertEquals(102, set.size()); |
| } |
| |
| public static void main(String[] args) { |
| //main(); |
| } |
| |
| private class UpdateThread |
| extends Thread { |
| |
| private Set _set = null; |
| |
| public UpdateThread(Set set) { |
| _set = set; |
| } |
| |
| public void run() { |
| try { |
| JDBCConfiguration conf = new JDBCConfigurationImpl(); |
| TableJDBCSeq seq = new TableJDBCSeq(); |
| seq.setConfiguration(conf); |
| seq.startConfiguration(); |
| seq.endConfiguration(); |
| DataSource ds = conf.getDataSource2(null); |
| for (int i = 0; i < 51; i++) |
| _set.add(seq.next(_broker, |
| conf.getMetaDataRepositoryInstance(). |
| getMetaData(RuntimeTest1.class, null, true))); |
| } catch (Exception e) { |
| throw new RuntimeException(e.getMessage()); |
| } |
| } |
| } |
| |
| } |