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/**
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* Copyright (C) 2009 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.test.function;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertFalse;
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import static org.junit.Assert.assertNotSame;
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import static org.junit.Assert.assertNull;
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import static org.junit.Assert.assertSame;
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import static org.junit.Assert.assertTrue;
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import java.io.FileNotFoundException;
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import java.util.Set;
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import java.util.UUID;
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import javax.sql.DataSource;
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import org.apache.log4j.Logger;
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import org.hibernate.LockMode;
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import org.hibernate.Session;
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import org.hibernate.SessionFactory;
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import org.junit.After;
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import org.junit.Before;
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import org.junit.Ignore;
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import org.junit.Test;
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import org.springframework.jdbc.datasource.TransactionAwareDataSourceProxy;
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import org.springframework.orm.hibernate5.HibernateSystemException;
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import org.springframework.orm.hibernate5.SessionHolder;
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import org.springframework.transaction.PlatformTransactionManager;
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import org.springframework.transaction.TransactionStatus;
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import org.springframework.transaction.support.TransactionSynchronizationManager;
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import org.unitils.database.annotations.Transactional;
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import org.unitils.database.util.TransactionMode;
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import org.unitils.dbunit.annotation.DataSet;
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import org.unitils.spring.annotation.SpringBeanByType;
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import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
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import eu.etaxonomy.cdm.api.service.IDescriptionService;
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import eu.etaxonomy.cdm.api.service.IReferenceService;
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import eu.etaxonomy.cdm.api.service.ITaxonService;
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import eu.etaxonomy.cdm.api.service.ITermService;
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import eu.etaxonomy.cdm.model.common.DefinedTerm;
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import eu.etaxonomy.cdm.model.common.DefinedTermBase;
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import eu.etaxonomy.cdm.model.location.NamedArea;
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import eu.etaxonomy.cdm.model.name.BotanicalName;
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import eu.etaxonomy.cdm.model.name.TaxonNameBase;
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import eu.etaxonomy.cdm.model.reference.Reference;
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import eu.etaxonomy.cdm.model.taxon.Synonym;
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import eu.etaxonomy.cdm.model.taxon.Taxon;
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import eu.etaxonomy.cdm.model.taxon.TaxonBase;
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import eu.etaxonomy.cdm.persistence.dao.taxon.ITaxonDao;
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import eu.etaxonomy.cdm.test.integration.CdmIntegrationTest;
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/**
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* This test class is an exhaustive testing ground for conversations (a.k.a long running sessions)
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* implemented in the CDM Library by the {@link eu.etaxonomy.cdm.api.conversation.ConversationHolder ConversationHolder}.
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*
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* @author n.hoffmann
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*
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*/
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@Transactional(TransactionMode.DISABLED)
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public class ConcurrentSessionTest extends CdmIntegrationTest {
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private static final Logger logger = Logger.getLogger(ConcurrentSessionTest.class);
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@SpringBeanByType
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private SessionFactory sessionFactory;
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@SpringBeanByType
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private PlatformTransactionManager transactionManager;
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@SpringBeanByType
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private ITaxonService taxonService;
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@SpringBeanByType
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private ITermService termService;
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@SpringBeanByType
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private IReferenceService referenceService;
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@SpringBeanByType
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private IDescriptionService descriptionService;
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@SpringBeanByType
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private DataSource dataSource;
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@SpringBeanByType
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private ITaxonDao taxonDao;
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private ConversationHolder conversationHolder1 = null;
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private ConversationHolder conversationHolder2 = null;
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private ConversationHolder conversationHolder3 = null;
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private DataSource targetDataSource;
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private final UUID taxonUuid1 = UUID.fromString("496b1325-be50-4b0a-9aa2-3ecd610215f2");
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private final UUID taxonUuid2 = UUID.fromString("822d98dc-9ef7-44b7-a870-94573a3bcb46");
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private final UUID referenceUuid1 = UUID.fromString("596b1325-be50-4b0a-9aa2-3ecd610215f2");
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private final UUID referenceUuid2 = UUID.fromString("ad4322b7-4b05-48af-be70-f113e46c545e");
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@Before
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public void setup(){
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targetDataSource = dataSource instanceof TransactionAwareDataSourceProxy ?
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((TransactionAwareDataSourceProxy)dataSource).getTargetDataSource():
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dataSource;
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}
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@After
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public void tearDown(){
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if(conversationHolder1 != null) {
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conversationHolder1.close();
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}
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if(conversationHolder2 != null) {
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conversationHolder2.close();
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}
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if(conversationHolder3 != null) {
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conversationHolder3.close();
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}
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}
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/**
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* We want to know if the data really gets persisted.
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*/
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@Test
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@DataSet("ConcurrentSessionTest.xml")
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public void testProofOfDataPersistency(){
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conversationHolder1 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
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conversationHolder2 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
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// first conversation
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conversationHolder1.bind();
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conversationHolder1.startTransaction();
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// get a taxon
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TaxonBase taxonBase = taxonService.find(taxonUuid1);
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// get a reference
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Reference reference = referenceService.find(referenceUuid2);
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// make sure
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assertNotSame("this reference should not be the taxons sec.", taxonBase.getSec(), reference);
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// set the reference as the taxons new sec
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taxonBase.setSec(reference);
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// save and commit
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taxonService.save(taxonBase);
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conversationHolder1.commit();
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// second conversation
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conversationHolder2.bind();
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conversationHolder2.startTransaction();
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// load the same taxon in a different session
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TaxonBase taxonBaseInSecondTransaction = taxonService.find(taxonUuid1);
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// load the reference
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Reference referenceInSecondTransaction = referenceService.find(referenceUuid2);
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// we assume that
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assertSame("The reference should be the sec now.", taxonBaseInSecondTransaction.getSec(), referenceInSecondTransaction);
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assertNotSame("The reference should not be the same object as in first transaction.", reference, referenceInSecondTransaction);
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}
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/**
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* Test the general possibility to open two sessions at the same time
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*/
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@Test
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@DataSet("ConcurrentSessionTest.xml")
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public void testTwoSessions(){
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conversationHolder1 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
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conversationHolder2 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
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conversationHolder1.bind();
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int context1Count = taxonDao.count();
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conversationHolder2.bind();
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int context2Count = taxonDao.count();
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assertEquals("Both contexts should yield the same results(at least if " +
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"there where no write operations in between)", context1Count, context2Count);
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}
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/**
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* Getting the same taxon from two different sessions using the taxon dao.
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* However, the resulting objects should be equal but not be the same.
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*/
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@Test
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@DataSet("ConcurrentSessionTest.xml")
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public void testTwoSessionsEqualTaxon(){
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conversationHolder1 = new ConversationHolder(dataSource, sessionFactory, transactionManager);
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conversationHolder2 = new ConversationHolder(dataSource, sessionFactory, transactionManager);
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conversationHolder1.bind();
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TaxonBase taxonBase1 = taxonDao.findByUuid(taxonUuid1);
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conversationHolder2.bind();
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TaxonBase taxonBase2 = taxonDao.findByUuid(taxonUuid1);
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assertEquals("The objects should be equal.", taxonBase1, taxonBase2);
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assertNotSame("The objects should be the same.", taxonBase1, taxonBase2);
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}
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/**
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* Getting the same taxon from two different sessions using the taxon service.
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* However, the resulting objects should be equal but not be the same.
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*/
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@Test
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@DataSet("ConcurrentSessionTest.xml")
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public void testTwoSessionsEqualTaxonWithTaxonService(){
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conversationHolder1 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
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conversationHolder2 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
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conversationHolder1.bind();
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TaxonBase taxonBase1 = taxonService.find(taxonUuid1);
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conversationHolder2.bind();
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TaxonBase taxonBase2 = taxonService.find(taxonUuid1);
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assertEquals("The objects should be equal", taxonBase1, taxonBase2);
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assertNotSame("The objects should not be the same", taxonBase1, taxonBase2);
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}
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/**
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* Getting the same taxon from two different sessions using the taxon service.
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* However, the resulting objects should be equal but not be the same.
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*/
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@Test
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@DataSet("ConcurrentSessionTest.xml")
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public void testTwoSessionsRemoveTaxonBaseTaxonService(){
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conversationHolder1 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
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conversationHolder2 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
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conversationHolder1.bind();
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TaxonBase taxonBase1 = taxonService.find(taxonUuid1);
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TaxonNameBase name = taxonBase1.getName();
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Synonym syn = Synonym.NewInstance(name, null);
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taxonService.save(syn);
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conversationHolder1.commit();
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Set<TaxonBase> taxonBases = taxonBase1.getName().getTaxonBases();
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name.removeTaxonBase(syn);
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taxonService.saveOrUpdate(taxonBase1);
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conversationHolder1.commit();
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conversationHolder2.bind();
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conversationHolder2.startTransaction();
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TaxonBase taxonBase2 = taxonService.find(taxonUuid1);
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taxonBases = taxonBase2.getName().getTaxonBases();
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assertEquals("There should be only one taxon left", taxonBases.size(), 1);
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assertNotSame("The objects should not be the same", taxonBase1, taxonBase2);
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}
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/**
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* Interveaving conversations to test session within and outside conversations.
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*/
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@Test
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@DataSet("ConcurrentSessionTest.xml")
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public void interveaveConversations(){
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TaxonBase<?> taxonBase1 = taxonService.find(taxonUuid1);
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Session h4Session1 = taxonService.getSession();
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assertNull(TransactionSynchronizationManager.getResource(sessionFactory));
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conversationHolder1 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
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SessionHolder sessionHolder1 = (SessionHolder)TransactionSynchronizationManager.getResource(sessionFactory);
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Session session1 = sessionHolder1.getSession();
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assertNotSame("The sessions should not be the same", h4Session1, session1);
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TaxonBase<?> taxonBase2 = taxonService.find(taxonUuid1);
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SessionHolder sessionHolder2 = (SessionHolder)TransactionSynchronizationManager.getResource(sessionFactory);
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Session session2 = sessionHolder2.getSession();
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assertEquals("The session holders should be equal", sessionHolder1, sessionHolder2);
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assertEquals("The sessions should be equal", session1, session2);
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conversationHolder1.close();
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h4Session1 = taxonService.getSession();
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assertNotSame("The sessions should not be the same", h4Session1, session2);
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TaxonBase<?> taxonBase3 = taxonService.find(taxonUuid1);
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Session h4Session2 = taxonService.getSession();
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TaxonBase<?> taxonBase4 = taxonService.find(taxonUuid1);
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assertNotSame("The sessions should not be the same", h4Session1, h4Session2);
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}
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/**
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* Testing multiple transactions for the same conversation holder.
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*/
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@Test
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@DataSet("ConcurrentSessionTest.xml")
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public void testLongConversationWithMultipleTransactions(){
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conversationHolder1 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
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conversationHolder2 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
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conversationHolder1.bind();
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TransactionStatus txStatusOne = conversationHolder1.startTransaction();
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TaxonBase taxonBase1 = taxonDao.findByUuid(taxonUuid1);
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TaxonNameBase taxonName1 = taxonBase1.getName();
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conversationHolder1.commit();
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conversationHolder1.bind();
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TransactionStatus txStatusTwo = conversationHolder1.startTransaction();
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TaxonNameBase taxonName2 = taxonBase1.getName();
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conversationHolder1.commit();
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assertNotSame(txStatusOne, txStatusTwo);
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assertSame("Two objects from different transactions should be the same, because we are still in " +
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"same persistence context", taxonName1, taxonName2);
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}
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/**
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* Switching sessions. Should not throw any exceptions
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*/
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@Test
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@DataSet("ConcurrentSessionTest.xml")
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public void testSwitchSessions(){
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conversationHolder1 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
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conversationHolder2 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
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conversationHolder1.bind();
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// TransactionStatus txStatusOne = transactionManager.getTransaction(definition);
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TaxonBase taxonBase1 = taxonService.find(taxonUuid1);
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conversationHolder2.bind();
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// TransactionStatus txStatusTwo = transactionManager.getTransaction(definition );
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TaxonBase taxonBase2 = taxonService.find(taxonUuid1);
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conversationHolder1.bind();
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TaxonBase taxonBase3 = taxonService.find(taxonUuid2);
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}
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/**
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* Lazy loaded objects should be the same in different transactions within the
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* same conversation.
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*/
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@Test
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@DataSet("ConcurrentSessionTest.xml")
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public void testReaccessingTheSameLazyLoadedObjectInTwoDifferentTransactions(){
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conversationHolder1 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
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conversationHolder1.bind();
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TransactionStatus tx1 = conversationHolder1.startTransaction();
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TaxonBase t1 = taxonService.find(taxonUuid1);
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TaxonNameBase n1 = t1.getName();
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TransactionStatus tx2 = conversationHolder1.commit(true);
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TaxonNameBase n2 = t1.getName();
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assertSame(n1, n2);
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assertNotSame(tx1, tx2);
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}
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/**
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* Objects should be the same in different transactions within the
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* same conversation.
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*/
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@Test
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@DataSet("ConcurrentSessionTest.xml")
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public void testReaccessingTheSameObjectInTwoDifferentTransactions(){
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conversationHolder1 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
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conversationHolder1.bind();
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TransactionStatus tx1 = conversationHolder1.startTransaction();
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TaxonBase t1 = taxonService.find(taxonUuid1);
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TransactionStatus tx2 = conversationHolder1.commit(true);
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TaxonBase t2 = taxonService.find(taxonUuid1);
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assertSame(t1, t2);
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assertNotSame(tx1, tx2);
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}
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/**
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* Objects should be the same in the same transaction within the
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* same conversation.
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*/
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@Test
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@DataSet("ConcurrentSessionTest.xml")
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public void testReaccessingTheSameObjectInSameTransaction(){
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conversationHolder1 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
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conversationHolder1.bind();
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conversationHolder1.startTransaction();
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TaxonBase t1 = taxonService.find(taxonUuid1);
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// I wonder if this breaks
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TaxonBase t2 = taxonService.find(taxonUuid1);
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assertSame(t1, t2);
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}
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/**
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* Load an object, manipulate it and persist it by committing the transaction.
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* When reloading the same object we should still be in the same session
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*/
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@Test
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@DataSet("ConcurrentSessionTest.xml")
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public void testSavingAndReaccessingTheSameObject(){
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conversationHolder1 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
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TestConversationEnabled testConversationEnabled = new TestConversationEnabled();
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conversationHolder1.registerForDataStoreChanges(testConversationEnabled);
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conversationHolder1.bind();
|
427
|
TransactionStatus txStatusOne = conversationHolder1.startTransaction();
|
428
|
// Session sessionFirstTransaction = conversationHolder11.getSession();
|
429
|
TaxonBase taxonBase = taxonService.find(taxonUuid1);
|
430
|
TaxonNameBase newTaxonName = BotanicalName.NewInstance(null);
|
431
|
|
432
|
conversationHolder1.bind();
|
433
|
newTaxonName.addTaxonBase(taxonBase);
|
434
|
|
435
|
conversationHolder1.bind();
|
436
|
taxonService.save(taxonBase);
|
437
|
conversationHolder1.commit();
|
438
|
|
439
|
|
440
|
conversationHolder1.bind();
|
441
|
TransactionStatus txStatusTwo = conversationHolder1.startTransaction();
|
442
|
|
443
|
TaxonBase taxonBase2 = taxonService.find(taxonUuid1);
|
444
|
conversationHolder1.commit();
|
445
|
|
446
|
assertEquals("The taxa should be equal.", taxonBase, taxonBase2);
|
447
|
|
448
|
assertEquals("The name objects should be the same.", taxonBase.getName(), taxonBase2.getName());
|
449
|
|
450
|
}
|
451
|
|
452
|
|
453
|
|
454
|
/**
|
455
|
* We load the same taxon in two different sessions. The reference of the first
|
456
|
* taxon gets manipulated and the taxon saved afterwards. When trying to persist the other
|
457
|
* taxon we would expect some form of exception.
|
458
|
*
|
459
|
*/
|
460
|
@Test(expected=HibernateSystemException.class)
|
461
|
|
462
|
@DataSet("ConcurrentSessionTest.xml")
|
463
|
|
464
|
public void testWhatHappensWhenEncounteringStaleData(){
|
465
|
|
466
|
conversationHolder1 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
467
|
conversationHolder2 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
468
|
conversationHolder3 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
469
|
|
470
|
conversationHolder1.bind();
|
471
|
TransactionStatus txStatusOne = conversationHolder1.startTransaction();
|
472
|
TaxonBase taxonBase1 = taxonService.find(taxonUuid1);
|
473
|
|
474
|
|
475
|
conversationHolder2.bind();
|
476
|
TransactionStatus txStatusTwo = conversationHolder2.startTransaction();
|
477
|
TaxonBase taxonBase2 = taxonService.find(taxonUuid1);
|
478
|
|
479
|
|
480
|
conversationHolder1.bind();
|
481
|
Reference reference1 = referenceService.find(referenceUuid1);
|
482
|
assertSame("This should be the sec", taxonBase1.getSec(), reference1);
|
483
|
|
484
|
Reference reference2 = referenceService.find(referenceUuid2);
|
485
|
taxonBase1.setSec(reference2);
|
486
|
taxonService.save(taxonBase1);
|
487
|
conversationHolder1.commit();
|
488
|
|
489
|
conversationHolder2.bind();
|
490
|
taxonBase2.setSec(reference1);
|
491
|
taxonService.save(taxonBase2);
|
492
|
conversationHolder2.commit();
|
493
|
|
494
|
conversationHolder3.bind();
|
495
|
TransactionStatus txStatusThree = conversationHolder3.startTransaction();
|
496
|
TaxonBase taxonBase3 = taxonService.find(taxonUuid1);
|
497
|
assertNull(taxonBase3.getSec());
|
498
|
}
|
499
|
|
500
|
|
501
|
|
502
|
/**
|
503
|
* Persist data in two different , successive transactions from different conversations
|
504
|
*/
|
505
|
@Test
|
506
|
@DataSet("ConcurrentSessionTest.xml")
|
507
|
public void testProofOfDataPersistencyNewTransactionModel(){
|
508
|
|
509
|
conversationHolder1 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
510
|
conversationHolder2 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
511
|
// first conversation
|
512
|
conversationHolder1.bind();
|
513
|
conversationHolder1.startTransaction();
|
514
|
// get a taxon
|
515
|
TaxonBase taxonBase = taxonService.find(taxonUuid1);
|
516
|
// get a reference
|
517
|
Reference reference = referenceService.find(referenceUuid2);
|
518
|
// make sure
|
519
|
assertNotSame("this reference should not be the taxons sec.", taxonBase.getSec(), reference);
|
520
|
// set the reference as the taxons new sec
|
521
|
taxonBase.setSec(reference);
|
522
|
// save and commit
|
523
|
taxonService.save(taxonBase);
|
524
|
conversationHolder1.commit(false);
|
525
|
|
526
|
|
527
|
// second conversation
|
528
|
conversationHolder2.bind();
|
529
|
conversationHolder2.startTransaction();
|
530
|
// load the same taxon in a different session
|
531
|
TaxonBase taxonBaseInSecondTransaction = taxonService.find(taxonUuid1);
|
532
|
// load the reference
|
533
|
Reference referenceInSecondTransaction = referenceService.find(referenceUuid2);
|
534
|
// we assume that
|
535
|
assertSame("The reference should be the sec now.", taxonBaseInSecondTransaction.getSec(), referenceInSecondTransaction);
|
536
|
assertNotSame("The reference should not be the same object as in first transaction.", reference, referenceInSecondTransaction);
|
537
|
|
538
|
}
|
539
|
|
540
|
/**
|
541
|
* We manipulate an object in one session and see how these change get propagated to the other session.
|
542
|
*/
|
543
|
|
544
|
@Test
|
545
|
@DataSet("ConcurrentSessionTest.xml")
|
546
|
public void testIfDataGetsPersistedWhenFiringCommit(){
|
547
|
|
548
|
conversationHolder1 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
549
|
conversationHolder2 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
550
|
// first conversation
|
551
|
conversationHolder1.bind();
|
552
|
conversationHolder1.startTransaction();
|
553
|
// get a taxon
|
554
|
TaxonBase taxonBase = taxonService.find(taxonUuid1);
|
555
|
// get a reference
|
556
|
Reference reference = referenceService.find(referenceUuid2);
|
557
|
// make sure
|
558
|
assertTrue(! taxonBase.getSec().equals(reference));
|
559
|
assertNotSame("this reference should not be the taxons sec.", taxonBase.getSec(), reference);
|
560
|
// set the reference as the taxons new sec
|
561
|
taxonBase.setSec(reference);
|
562
|
// save and commit
|
563
|
taxonService.save(taxonBase);
|
564
|
|
565
|
// second conversation
|
566
|
conversationHolder2.bind();
|
567
|
conversationHolder2.startTransaction();
|
568
|
// load the same taxon in a different session, since we did not commit the first transaction,
|
569
|
// the reference change did not make its way to the database and the references should be distinct
|
570
|
TaxonBase taxonBaseInSecondTransaction = taxonService.find(taxonUuid1);
|
571
|
assertFalse(taxonBase.getSec().equals(taxonBaseInSecondTransaction.getSec()));
|
572
|
|
573
|
// commit the first transaction
|
574
|
conversationHolder1.bind();
|
575
|
conversationHolder1.commit();
|
576
|
|
577
|
// as the taxonBaseInSecondTransaction still has it's data from before the first transaction was committed
|
578
|
// we assume that the references are still not equal
|
579
|
assertFalse(taxonBase.getSec().equals(taxonBaseInSecondTransaction.getSec()));
|
580
|
|
581
|
// we call a refresh on the taxonBaseInSecondTransaction to synchronize its state with the database
|
582
|
conversationHolder2.bind();
|
583
|
taxonService.refresh(taxonBaseInSecondTransaction);
|
584
|
|
585
|
// the objects should now be equal
|
586
|
|
587
|
assertTrue(taxonBase.getSec().equals(taxonBaseInSecondTransaction.getSec()));
|
588
|
}
|
589
|
|
590
|
/**
|
591
|
* Testing multiple transaction in a single conversation (session)
|
592
|
*/
|
593
|
@Test
|
594
|
@DataSet("ConcurrentSessionTest.xml")
|
595
|
public void testMultipleTransactionsInOneSession() {
|
596
|
|
597
|
conversationHolder1 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
598
|
conversationHolder1.bind();
|
599
|
conversationHolder1.startTransaction();
|
600
|
TaxonBase taxonBase1 = taxonService.find(taxonUuid1);
|
601
|
conversationHolder1.commit();
|
602
|
|
603
|
conversationHolder1.startTransaction();
|
604
|
TaxonBase taxonBase2 = taxonService.find(taxonUuid1);
|
605
|
conversationHolder1.commit();
|
606
|
|
607
|
assertSame("The objects should be the same", taxonBase1, taxonBase2);
|
608
|
assertEquals("The objects should be equal", taxonBase1, taxonBase2);
|
609
|
}
|
610
|
|
611
|
/**
|
612
|
* Testing multiple transaction in a multiple conversations (session)
|
613
|
*/
|
614
|
@Test
|
615
|
@DataSet("ConcurrentSessionTest.xml")
|
616
|
public void testMultipleTransactionsInMultipleSessions(){
|
617
|
|
618
|
conversationHolder1 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
619
|
conversationHolder2 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
620
|
conversationHolder3 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
621
|
|
622
|
conversationHolder1.bind();
|
623
|
conversationHolder1.startTransaction();
|
624
|
|
625
|
conversationHolder2.bind();
|
626
|
conversationHolder2.startTransaction();
|
627
|
|
628
|
conversationHolder3.bind();
|
629
|
conversationHolder3.startTransaction();
|
630
|
}
|
631
|
|
632
|
/**
|
633
|
* Testing both the saving of a newly created and an already existing DefinedTerm
|
634
|
* in different sessions.
|
635
|
*/
|
636
|
@Test
|
637
|
@DataSet("ConcurrentSessionTest.xml")
|
638
|
public void testSavingTheSameObjectInTwoSessions(){
|
639
|
//new session
|
640
|
conversationHolder1 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
641
|
//save newly created DefinedTerm
|
642
|
DefinedTerm term = DefinedTerm.NewKindOfUnitInstance("XXXkindofUnitXXX", "XXXlabelXXX", "XXXlabelAbbrevXXX");
|
643
|
persistTerm(term, termService, conversationHolder1);
|
644
|
conversationHolder1.commit();
|
645
|
|
646
|
//new session
|
647
|
conversationHolder1 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
648
|
conversationHolder1.startTransaction();
|
649
|
conversationHolder1.bind();
|
650
|
|
651
|
//save newly createy term from last session
|
652
|
persistTerm(term, termService, conversationHolder1);
|
653
|
conversationHolder1.commit();
|
654
|
|
655
|
//new session
|
656
|
conversationHolder1 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
657
|
conversationHolder1.startTransaction();
|
658
|
conversationHolder1.bind();
|
659
|
|
660
|
//save already existing DefinedTerm
|
661
|
NamedArea namedArea = NamedArea.ANTARCTICA();
|
662
|
persistTerm(term, termService, conversationHolder1);
|
663
|
conversationHolder1.commit();
|
664
|
|
665
|
//new session
|
666
|
conversationHolder1 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
667
|
conversationHolder1.startTransaction();
|
668
|
conversationHolder1.bind();
|
669
|
|
670
|
//save already existing term from last session
|
671
|
persistTerm(namedArea, termService, conversationHolder1);
|
672
|
conversationHolder1.commit();
|
673
|
}
|
674
|
|
675
|
private void persistTerm(DefinedTermBase<?> term, ITermService termService, ConversationHolder conversation){
|
676
|
if(term!=null){
|
677
|
//if the term does not exist in the DB save it
|
678
|
if(termService.find(term.getUuid())==null){
|
679
|
termService.saveOrUpdate(term);
|
680
|
}
|
681
|
//if it does exist but is not bound to the current session re-load and save it
|
682
|
else if(!conversation.getSession().contains(term)){
|
683
|
term = termService.load(term.getUuid());
|
684
|
termService.saveOrUpdate(term);
|
685
|
}
|
686
|
}
|
687
|
}
|
688
|
|
689
|
/**
|
690
|
* Testing inserting new data.
|
691
|
*/
|
692
|
@Test
|
693
|
@DataSet("ConcurrentSessionTest.xml")
|
694
|
public void testInsert(){
|
695
|
|
696
|
conversationHolder1 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
697
|
TestConversationEnabled testConversationEnabled = new TestConversationEnabled();
|
698
|
|
699
|
conversationHolder1.registerForDataStoreChanges(testConversationEnabled);
|
700
|
|
701
|
conversationHolder1.bind();
|
702
|
conversationHolder1.startTransaction();
|
703
|
TaxonBase newTaxon = Taxon.NewInstance(null, null);
|
704
|
taxonService.save(newTaxon);
|
705
|
conversationHolder1.commit();
|
706
|
}
|
707
|
|
708
|
/**
|
709
|
* Testing updating already existing data.
|
710
|
*/
|
711
|
@Test
|
712
|
@DataSet("ConcurrentSessionTest.xml")
|
713
|
public void testUpdate(){
|
714
|
|
715
|
conversationHolder1 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
716
|
|
717
|
TestConversationEnabled testConversationEnabled = new TestConversationEnabled();
|
718
|
|
719
|
conversationHolder1.registerForDataStoreChanges(testConversationEnabled);
|
720
|
|
721
|
conversationHolder1.bind();
|
722
|
conversationHolder1.startTransaction();
|
723
|
TaxonBase taxonBase1 = taxonService.find(taxonUuid1);
|
724
|
Reference reference = referenceService.find(referenceUuid2);
|
725
|
taxonBase1.setSec(reference);
|
726
|
taxonService.save(taxonBase1);
|
727
|
conversationHolder1.commit();
|
728
|
}
|
729
|
|
730
|
/**
|
731
|
* Switch sessions randomly and expect retrieved objects to be same but not equal.
|
732
|
*/
|
733
|
@Test
|
734
|
@DataSet("ConcurrentSessionTest.xml")
|
735
|
public void testMultipleSessionSwitching(){
|
736
|
|
737
|
conversationHolder1 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
738
|
conversationHolder2 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
739
|
conversationHolder3 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
740
|
|
741
|
conversationHolder1.bind();
|
742
|
TaxonBase taxon1 = taxonService.find(taxonUuid1);
|
743
|
assertSame(conversationHolder1.getSession(), conversationHolder1.getSessionFactory().getCurrentSession());
|
744
|
|
745
|
conversationHolder2.bind();
|
746
|
TaxonBase taxon2 = taxonService.find(taxonUuid2);
|
747
|
assertSame(conversationHolder2.getSession(), conversationHolder1.getSessionFactory().getCurrentSession());
|
748
|
|
749
|
conversationHolder3.bind();
|
750
|
TaxonBase taxon3 = taxonService.find(taxonUuid1);
|
751
|
assertSame(conversationHolder3.getSession(), conversationHolder1.getSessionFactory().getCurrentSession());
|
752
|
|
753
|
conversationHolder2.bind();
|
754
|
TaxonNameBase name2 = taxon2.getName();
|
755
|
assertSame(conversationHolder2.getSession(), conversationHolder1.getSessionFactory().getCurrentSession());
|
756
|
|
757
|
conversationHolder3.bind();
|
758
|
TaxonNameBase name3 = taxon3.getName();
|
759
|
assertSame(conversationHolder3.getSession(), conversationHolder1.getSessionFactory().getCurrentSession());
|
760
|
|
761
|
// Lazy loading somehow works without binding the session first
|
762
|
TaxonNameBase name1 = taxon1.getName();
|
763
|
assertNotSame(name1, name3);
|
764
|
assertEquals(name1, name3);
|
765
|
assertNotSame(conversationHolder1.getSession(), conversationHolder1.getSessionFactory().getCurrentSession());
|
766
|
|
767
|
}
|
768
|
|
769
|
/**
|
770
|
* Switch sessions with multiple transactions randomly and expect retrieved objects to be same but not equal.
|
771
|
*/
|
772
|
@Test
|
773
|
@DataSet("ConcurrentSessionTest.xml")
|
774
|
public void testMultipleSessionSwitchingInTransactions(){
|
775
|
|
776
|
conversationHolder1 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
777
|
conversationHolder2 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
778
|
conversationHolder3 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
779
|
|
780
|
conversationHolder1.bind();
|
781
|
conversationHolder1.startTransaction();
|
782
|
TaxonBase taxon1 = taxonService.find(taxonUuid1);
|
783
|
assertSame(conversationHolder1.getSession(), conversationHolder1.getSessionFactory().getCurrentSession());
|
784
|
conversationHolder1.commit();
|
785
|
|
786
|
conversationHolder2.bind();
|
787
|
conversationHolder2.startTransaction();
|
788
|
TaxonBase taxon2 = taxonService.find(taxonUuid2);
|
789
|
assertSame(conversationHolder2.getSession(), conversationHolder1.getSessionFactory().getCurrentSession());
|
790
|
conversationHolder2.commit();
|
791
|
|
792
|
conversationHolder3.bind();
|
793
|
conversationHolder3.startTransaction();
|
794
|
TaxonBase taxon3 = taxonService.find(taxonUuid1);
|
795
|
assertSame(conversationHolder3.getSession(), conversationHolder1.getSessionFactory().getCurrentSession());
|
796
|
conversationHolder3.commit();
|
797
|
|
798
|
conversationHolder2.bind();
|
799
|
conversationHolder2.startTransaction();
|
800
|
TaxonNameBase name2 = taxon2.getName();
|
801
|
assertSame(conversationHolder2.getSession(), conversationHolder1.getSessionFactory().getCurrentSession());
|
802
|
conversationHolder2.commit();
|
803
|
|
804
|
conversationHolder3.bind();
|
805
|
conversationHolder3.startTransaction();
|
806
|
TaxonNameBase name3 = taxon3.getName();
|
807
|
assertSame(conversationHolder3.getSession(), conversationHolder1.getSessionFactory().getCurrentSession());
|
808
|
|
809
|
// Lazy loading somehow works without binding the session first
|
810
|
TaxonNameBase name1 = taxon1.getName();
|
811
|
assertNotSame(name1, name3);
|
812
|
assertEquals(name1, name3);
|
813
|
assertNotSame(conversationHolder1.getSession(), conversationHolder1.getSessionFactory().getCurrentSession());
|
814
|
|
815
|
}
|
816
|
|
817
|
|
818
|
/**
|
819
|
* Testing of locking mechanism
|
820
|
*/
|
821
|
@Test
|
822
|
@DataSet("ConcurrentSessionTest.xml")
|
823
|
public void testLocking(){
|
824
|
|
825
|
conversationHolder1 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
826
|
conversationHolder2 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
827
|
conversationHolder1.bind();
|
828
|
// first session, first transaction
|
829
|
conversationHolder1.startTransaction();
|
830
|
TaxonBase taxonBase = taxonService.find(taxonUuid1);
|
831
|
// leave the first transaction without committing it
|
832
|
|
833
|
// start a new session with a new transaction
|
834
|
conversationHolder2.bind();
|
835
|
conversationHolder2.startTransaction();
|
836
|
TaxonBase taxonBase2 = taxonService.find(taxonUuid1);
|
837
|
taxonBase.setSec(null);
|
838
|
conversationHolder2.commit();
|
839
|
// transaction of the second session got committed
|
840
|
|
841
|
// return to the first session and commit its transaction
|
842
|
conversationHolder1.bind();
|
843
|
conversationHolder1.commit();
|
844
|
|
845
|
conversationHolder1.startTransaction();
|
846
|
conversationHolder1.lock(taxonBase, LockMode.READ);
|
847
|
|
848
|
}
|
849
|
|
850
|
@Ignore
|
851
|
@Test
|
852
|
@DataSet("ConcurrentSessionTest.xml")
|
853
|
public void testSaveOrUpdate() {
|
854
|
// this test deals with calling a save or saveOrUpdate after binding a conversation holder
|
855
|
|
856
|
// initialise the conversation holders
|
857
|
conversationHolder1 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
858
|
conversationHolder2 = new ConversationHolder(targetDataSource, sessionFactory, transactionManager);
|
859
|
|
860
|
// bind the first one
|
861
|
conversationHolder1.bind();
|
862
|
// This is the call that makes sure that the 'taxonService.saveOrUpdate(taxonBase1);' call
|
863
|
// later on does not flush the entire session.
|
864
|
// The method to look at is 'processCommit(DefaultTransactionStatus status)' from
|
865
|
// the class 'org.springframework.transaction.support.AbstractPlatformTransactionManager'
|
866
|
// Without the following call the 'doCommit' method is called if 'status.isNewTransaction()' is true
|
867
|
conversationHolder1.startTransaction();
|
868
|
|
869
|
// load two taxon base objects
|
870
|
TaxonBase taxonBase1 = taxonService.find(taxonUuid1);
|
871
|
TaxonBase taxonBase2 = taxonService.find(taxonUuid2);
|
872
|
|
873
|
// update taxon base object 1
|
874
|
String titleCache1 = taxonBase1.getTitleCache();
|
875
|
logger.info("Taxon 1 Title Cache : " + titleCache1);
|
876
|
taxonBase1.setTitleCache(titleCache1 + "updated", false);
|
877
|
logger.info("Taxon 1 Title Cache Updated: " + taxonBase1.getTitleCache());
|
878
|
|
879
|
// update taxon base object 2
|
880
|
String titleCache2 = taxonBase2.getTitleCache();
|
881
|
logger.info("Taxon 2 Title Cache : " + titleCache2);
|
882
|
taxonBase2.setTitleCache(titleCache2 + "updated", false);
|
883
|
logger.info("Taxon 2 Title Cache Updated: " + taxonBase2.getTitleCache());
|
884
|
|
885
|
// NOTE : Without the earlier 'conversationHolder1.startTransaction()' call, the
|
886
|
// saveOrUpdate method will flush the entire session, in this case both
|
887
|
// taxonBase1 and taxonBase2
|
888
|
taxonService.saveOrUpdate(taxonBase1);
|
889
|
|
890
|
conversationHolder2.bind();
|
891
|
|
892
|
// Including the 'conversationHolder1.startTransaction()' call solves the
|
893
|
// problem of the entire session being flushed, but throws the exception,
|
894
|
// 'org.springframework.transaction.IllegalTransactionStateException:
|
895
|
// Pre-bound JDBC Connection found! HibernateTransactionManager does
|
896
|
// not support running within DataSourceTransactionManager if told to manage
|
897
|
// the DataSource itself. It is recommended to use a single HibernateTransactionManager
|
898
|
// for all transactions on a single DataSource, no matter whether Hibernate or JDBC access'.
|
899
|
TaxonBase taxonBase1updated = taxonService.find(taxonUuid1);
|
900
|
logger.info("Title Cache 1 New Session: " + taxonBase1updated.getTitleCache());
|
901
|
|
902
|
TaxonBase taxonBase2updated = taxonService.find(taxonUuid2);
|
903
|
logger.info("Title Cache 2 New Session: " + taxonBase2updated.getTitleCache());
|
904
|
|
905
|
}
|
906
|
|
907
|
/* (non-Javadoc)
|
908
|
* @see eu.etaxonomy.cdm.test.integration.CdmIntegrationTest#createTestData()
|
909
|
*/
|
910
|
@Override
|
911
|
public void createTestDataSet() throws FileNotFoundException {
|
912
|
// TODO Auto-generated method stub
|
913
|
|
914
|
}
|
915
|
|
916
|
|
917
|
|
918
|
|
919
|
}
|