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HHH-3764: 

- adding an end-revision column to the audit entities if the appropraite strategy is used

HHH-3765:
- filling in the end-revision column on audited entities changes

- applying patch by Stephanie Pau - thanks!

git-svn-id: https://svn.jboss.org/repos/hibernate/core/trunk@19888 1b8cb986-b30d-0410-93ca-fae66ebed9b2
This commit is contained in:
Adam Warski 2010-07-02 06:32:13 +00:00
parent db16c3f29a
commit f7c7c55e2a
16 changed files with 302 additions and 34 deletions
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16
envers/src/main/java/org/hibernate/envers/configuration/AuditConfiguration.java
View File

@ -27,10 +27,12 @@ import java.util.Map;
import java.util.Properties;
import java.util.WeakHashMap;
import org.hibernate.MappingException;
import org.hibernate.envers.entities.EntitiesConfigurations;
import org.hibernate.envers.revisioninfo.RevisionInfoNumberReader;
import org.hibernate.envers.revisioninfo.RevisionInfoQueryCreator;
import org.hibernate.envers.synchronization.AuditProcessManager;
import org.hibernate.envers.strategy.AuditStrategy;
import org.hibernate.cfg.Configuration;
import org.hibernate.cfg.AnnotationConfiguration;
@ -38,11 +40,13 @@ import org.hibernate.annotations.common.reflection.ReflectionManager;
/**
* @author Adam Warski (adam at warski dot org)
* @author Stephanie Pau at Markit Group Plc
*/
public class AuditConfiguration {
private final GlobalConfiguration globalCfg;
private final AuditEntitiesConfiguration auditEntCfg;
private final AuditProcessManager auditProcessManager;
private final AuditStrategy auditStrategy;
private final EntitiesConfigurations entCfg;
private final RevisionInfoQueryCreator revisionInfoQueryCreator;
private final RevisionInfoNumberReader revisionInfoNumberReader;
@ -71,6 +75,10 @@ public class AuditConfiguration {
return revisionInfoNumberReader;
}
public AuditStrategy getAuditStrategy() {
return auditStrategy;
}
@SuppressWarnings({ "unchecked" })
public AuditConfiguration(Configuration cfg) {
Properties properties = cfg.getProperties();
@ -81,6 +89,14 @@ public class AuditConfiguration {
auditEntCfg = new AuditEntitiesConfiguration(properties, revInfoCfgResult.getRevisionInfoEntityName());
globalCfg = new GlobalConfiguration(properties);
auditProcessManager = new AuditProcessManager(revInfoCfgResult.getRevisionInfoGenerator());
try {
Class auditStrategyClass = Thread.currentThread().getContextClassLoader().loadClass(auditEntCfg.getAuditStrategyName());
auditStrategy = (AuditStrategy) auditStrategyClass.newInstance();
} catch (Exception e) {
throw new MappingException(String.format("Unable to create AuditStrategy[%s] instance." , auditEntCfg.getAuditStrategyName()));
}
revisionInfoQueryCreator = revInfoCfgResult.getRevisionInfoQueryCreator();
revisionInfoNumberReader = revInfoCfgResult.getRevisionInfoNumberReader();
entCfg = new EntitiesConfigurator().configure(cfg, reflectionManager, globalCfg, auditEntCfg,

30
envers/src/main/java/org/hibernate/envers/configuration/AuditEntitiesConfiguration.java
View File

@ -25,18 +25,28 @@ package org.hibernate.envers.configuration;
import static org.hibernate.envers.tools.Tools.getProperty;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import org.hibernate.MappingException;
import org.hibernate.envers.strategy.DefaultAuditStrategy;
import org.hibernate.envers.strategy.ValidTimeAuditStrategy;
/**
* Configuration of versions entities - names of fields, entities and tables created to store versioning information.
* @author Adam Warski (adam at warski dot org)
* @author Stephanie Pau at Markit Group Plc
*/
public class AuditEntitiesConfiguration {
private final String auditTablePrefix;
private final String auditTableSuffix;
private final String auditStrategyName;
private final String originalIdPropName;
private final String revisionFieldName;
@ -50,6 +60,8 @@ public class AuditEntitiesConfiguration {
private final Map<String, String> customAuditTablesNames;
private final String revisionEndFieldName;
public AuditEntitiesConfiguration(Properties properties, String revisionInfoEntityName) {
this.revisionInfoEntityName = revisionInfoEntityName;
@ -62,6 +74,11 @@ public class AuditEntitiesConfiguration {
"org.hibernate.envers.auditTableSuffix",
"_AUD");
auditStrategyName = getProperty(properties,
"org.hibernate.envers.audit_strategy",
"org.hibernate.envers.audit_strategy",
DefaultAuditStrategy.class.getName());
originalIdPropName = "originalId";
revisionFieldName = getProperty(properties,
@ -75,6 +92,11 @@ public class AuditEntitiesConfiguration {
"REVTYPE");
revisionTypePropType = "byte";
revisionEndFieldName = getProperty(properties,
"org.hibernate.envers.audit_strategy_valid_time_end_name",
"org.hibernate.envers.audit_strategy_valid_time_end_name",
"REVEND");
customAuditTablesNames = new HashMap<String, String>();
revisionNumberPath = originalIdPropName + "." + revisionFieldName + ".id";
@ -133,4 +155,12 @@ public class AuditEntitiesConfiguration {
return customHistoryTableName;
}
public String getAuditStrategyName() {
return auditStrategyName;
}
public String getRevisionEndFieldName() {
return revisionEndFieldName;
}
}

17
envers/src/main/java/org/hibernate/envers/configuration/metadata/AuditMetadataGenerator.java
View File

@ -38,6 +38,7 @@ import org.hibernate.envers.entities.mapper.CompositeMapperBuilder;
import org.hibernate.envers.entities.mapper.ExtendedPropertyMapper;
import org.hibernate.envers.entities.mapper.MultiPropertyMapper;
import org.hibernate.envers.entities.mapper.SubclassPropertyMapper;
import org.hibernate.envers.strategy.ValidTimeAuditStrategy;
import org.hibernate.envers.tools.StringTools;
import org.hibernate.envers.tools.Triple;
import org.hibernate.envers.RelationTargetAuditMode;
@ -53,6 +54,7 @@ import org.slf4j.LoggerFactory;
* @author Adam Warski (adam at warski dot org)
* @author Sebastian Komander
* @author Tomasz Bech
* @author Stephanie Pau at Markit Group Plc
*/
public final class AuditMetadataGenerator {
private static final Logger log = LoggerFactory.getLogger(AuditMetadataGenerator.class);
@ -124,6 +126,21 @@ public final class AuditMetadataGenerator {
Element revTypeProperty = MetadataTools.addProperty(any_mapping, verEntCfg.getRevisionTypePropName(),
verEntCfg.getRevisionTypePropType(), true, false);
revTypeProperty.addAttribute("type", "org.hibernate.envers.entities.RevisionTypeType");
// Adding the end revision, if appropriate
addEndRevision(any_mapping);
}
private void addEndRevision(Element any_mapping) {
// Add the end-revision field, if the appropriate strategy is used.
if (ValidTimeAuditStrategy.class.getName().equals(verEntCfg.getAuditStrategyName())) {
Element end_rev_mapping = (Element) revisionInfoRelationMapping.clone();
end_rev_mapping.setName("many-to-one");
end_rev_mapping.addAttribute("name", verEntCfg.getRevisionEndFieldName());
MetadataTools.addOrModifyColumn(end_rev_mapping, verEntCfg.getRevisionEndFieldName());
any_mapping.add(end_rev_mapping);
}
}
@SuppressWarnings({"unchecked"})

12
envers/src/main/java/org/hibernate/envers/query/impl/AbstractAuditQuery.java
View File

@ -24,9 +24,7 @@
package org.hibernate.envers.query.impl;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.persistence.NoResultException;
import javax.persistence.NonUniqueResultException;
@ -80,15 +78,7 @@ public abstract class AbstractAuditQuery implements AuditQuery {
}
protected List buildAndExecuteQuery() {
StringBuilder querySb = new StringBuilder();
Map<String, Object> queryParamValues = new HashMap<String, Object>();
qb.build(querySb, queryParamValues);
Query query = versionsReader.getSession().createQuery(querySb.toString());
for (Map.Entry<String, Object> paramValue : queryParamValues.entrySet()) {
query.setParameter(paramValue.getKey(), paramValue.getValue());
}
Query query = qb.toQuery(versionsReader.getSession());
setQueryProperties(query);

39
envers/src/main/java/org/hibernate/envers/strategy/AuditStrategy.java Executable file
View File

@ -0,0 +1,39 @@
package org.hibernate.envers.strategy;
import org.hibernate.Session;
import org.hibernate.envers.configuration.AuditConfiguration;
import org.hibernate.envers.entities.mapper.PersistentCollectionChangeData;
import java.io.Serializable;
/**
* Behaviours of different audit strategy for populating audit data.
*
* @author Stephanie Pau
* @author Adam Warski (adam at warski dot org)
*/
public interface AuditStrategy {
/**
* Perform the persistence of audited data for regular entities.
*
* @param session Session, which can be used to persist the data.
* @param entityName Name of the entity, in which the audited change happens
* @param auditCfg Audit configuration
* @param id Id of the entity.
* @param data Audit data to persist
* @param revision Current revision data
*/
void perform(Session session, String entityName, AuditConfiguration auditCfg, Serializable id, Object data,
Object revision);
/**
* Perform the persistence of audited data for collection ("middle") entities.
*
* @param session Session, which can be used to persist the data.
* @param auditCfg Audit configuration
* @param persistentCollectionChangeData Collection change data to be persisted.
* @param revision Current revision data
*/
void performCollectionChange(Session session, AuditConfiguration auditCfg,
PersistentCollectionChangeData persistentCollectionChangeData, Object revision);
}

25
envers/src/main/java/org/hibernate/envers/strategy/DefaultAuditStrategy.java Executable file
View File

@ -0,0 +1,25 @@
package org.hibernate.envers.strategy;
import org.hibernate.Session;
import org.hibernate.envers.configuration.AuditConfiguration;
import org.hibernate.envers.entities.mapper.PersistentCollectionChangeData;
import java.io.Serializable;
/**
* Default strategy is to simply persist the audit data.
*
* @author Adam Warski
* @author Stephanie Pau
*/
public class DefaultAuditStrategy implements AuditStrategy {
public void perform(Session session, String entityName, AuditConfiguration auditCfg, Serializable id, Object data,
Object revision) {
session.save(auditCfg.getAuditEntCfg().getAuditEntityName(entityName), data);
}
public void performCollectionChange(Session session, AuditConfiguration auditCfg,
PersistentCollectionChangeData persistentCollectionChangeData, Object revision) {
session.save(persistentCollectionChangeData.getEntityName(), persistentCollectionChangeData.getData());
}
}

105
envers/src/main/java/org/hibernate/envers/strategy/ValidTimeAuditStrategy.java Executable file
View File

@ -0,0 +1,105 @@
package org.hibernate.envers.strategy;
import java.io.Serializable;
import java.util.List;
import java.util.Map;
import org.hibernate.Session;
import org.hibernate.envers.RevisionType;
import org.hibernate.envers.configuration.AuditConfiguration;
import org.hibernate.envers.configuration.AuditEntitiesConfiguration;
import org.hibernate.envers.entities.mapper.PersistentCollectionChangeData;
import org.hibernate.envers.entities.mapper.id.IdMapper;
import org.hibernate.envers.tools.query.QueryBuilder;
/**
* Audit strategy which additionally manages the end-revision number: updates the end-revision field on the last
* revision that was persisted before the current one.
*
* @author Stephanie Pau
* @author Adam Warski (adam at warski dot org)
*/
public class ValidTimeAuditStrategy implements AuditStrategy {
public void perform(Session session, String entityName, AuditConfiguration auditCfg, Serializable id, Object data,
Object revision) {
AuditEntitiesConfiguration audEntCfg = auditCfg.getAuditEntCfg();
String auditedEntityName = audEntCfg.getAuditEntityName(entityName);
// Update the end date of the previous row if this operation is expected to have a previous row
if (getRevisionType(auditCfg, data) != RevisionType.ADD) {
/*
Constructing a query:
select e from audited_ent e where e.end_rev is null and e.id = :id
*/
QueryBuilder qb = new QueryBuilder(auditedEntityName, "e");
// e.id = :id
IdMapper idMapper = auditCfg.getEntCfg().get(entityName).getIdMapper();
idMapper.addIdEqualsToQuery(qb.getRootParameters(), id, auditCfg.getAuditEntCfg().getOriginalIdPropName(), true);
updateLastRevision(session, auditCfg, qb, id, auditedEntityName, revision);
}
// Save the audit data
session.save(auditedEntityName, data);
}
@SuppressWarnings({"unchecked"})
public void performCollectionChange(Session session, AuditConfiguration auditCfg,
PersistentCollectionChangeData persistentCollectionChangeData, Object revision) {
// Update the end date of the previous row if this operation is expected to have a previous row
if (getRevisionType(auditCfg, persistentCollectionChangeData.getData()) != RevisionType.ADD) {
/*
Constructing a query (there are multiple id fields):
select e from audited_middle_ent e where e.end_rev is null and e.id1 = :id1 and e.id2 = :id2 ...
*/
QueryBuilder qb = new QueryBuilder(persistentCollectionChangeData.getEntityName(), "e");
// Adding a parameter for each id component, except the rev number
String originalIdPropName = auditCfg.getAuditEntCfg().getOriginalIdPropName();
Map<String, Object> originalId = (Map<String, Object>) persistentCollectionChangeData.getData().get(
originalIdPropName);
for (Map.Entry<String, Object> originalIdEntry : originalId.entrySet()) {
if (!auditCfg.getAuditEntCfg().getRevisionFieldName().equals(originalIdEntry.getKey())) {
qb.getRootParameters().addWhereWithParam(originalIdPropName + "." + originalIdEntry.getKey(),
true, "=", originalIdEntry.getValue());
}
}
updateLastRevision(session, auditCfg, qb, originalId, persistentCollectionChangeData.getEntityName(), revision);
}
// Save the audit data
session.save(persistentCollectionChangeData.getEntityName(), persistentCollectionChangeData.getData());
}
@SuppressWarnings({"unchecked"})
private RevisionType getRevisionType(AuditConfiguration auditCfg, Object data) {
return (RevisionType) ((Map<String, Object>) data).get(auditCfg.getAuditEntCfg().getRevisionTypePropName());
}
@SuppressWarnings({"unchecked"})
private void updateLastRevision(Session session, AuditConfiguration auditCfg, QueryBuilder qb,
Object id, String auditedEntityName, Object revision) {
String revisionEndFieldName = auditCfg.getAuditEntCfg().getRevisionEndFieldName();
// e.end_rev is null
qb.getRootParameters().addWhere(revisionEndFieldName, true, "is", "null", false);
List l = qb.toQuery(session).list();
// There should be one entry
if (l.size() == 1) {
// Setting the end revision to be the current rev
Object previousData = l.get(0);
((Map<String, Object>) previousData).put(revisionEndFieldName, revision);
// Saving the previous version
session.save(auditedEntityName, previousData);
} else {
throw new RuntimeException("Cannot find previous revision for entity " + auditedEntityName + " and id " + id);
}
}
}

6
envers/src/main/java/org/hibernate/envers/synchronization/work/AbstractAuditWorkUnit.java
View File

@ -33,15 +33,18 @@ import org.hibernate.envers.configuration.AuditEntitiesConfiguration;
import org.hibernate.Session;
import org.hibernate.engine.SessionImplementor;
import org.hibernate.envers.strategy.AuditStrategy;
/**
* @author Adam Warski (adam at warski dot org)
* @author Stephanie Pau at Markit Group Plc
*/
public abstract class AbstractAuditWorkUnit implements AuditWorkUnit {
protected final SessionImplementor sessionImplementor;
protected final AuditConfiguration verCfg;
protected final Serializable id;
protected final String entityName;
protected final AuditStrategy auditStrategy;
private Object performedData;
@ -51,6 +54,7 @@ public abstract class AbstractAuditWorkUnit implements AuditWorkUnit {
this.verCfg = verCfg;
this.id = id;
this.entityName = entityName;
this.auditStrategy = verCfg.getAuditStrategy();
}
protected void fillDataWithId(Map<String, Object> data, Object revision, RevisionType revisionType) {
@ -67,7 +71,7 @@ public abstract class AbstractAuditWorkUnit implements AuditWorkUnit {
public void perform(Session session, Object revisionData) {
Map<String, Object> data = generateData(revisionData);
session.save(verCfg.getAuditEntCfg().getAuditEntityName(getEntityName()), data);
auditStrategy.perform(session, getEntityName(), verCfg, id, data, revisionData);
setPerformed(data);
}

20
envers/src/main/java/org/hibernate/envers/synchronization/work/PersistentCollectionChangeWorkUnit.java
View File

@ -29,6 +29,7 @@ import java.util.Map;
import java.util.HashMap;
import java.util.ArrayList;
import org.hibernate.envers.RevisionType;
import org.hibernate.envers.configuration.AuditConfiguration;
import org.hibernate.envers.configuration.AuditEntitiesConfiguration;
import org.hibernate.envers.entities.mapper.PersistentCollectionChangeData;
@ -84,7 +85,7 @@ public class PersistentCollectionChangeWorkUnit extends AbstractAuditWorkUnit im
((Map<String, Object>) persistentCollectionChangeData.getData().get(entitiesCfg.getOriginalIdPropName()))
.put(entitiesCfg.getRevisionFieldName(), revisionData);
session.save(persistentCollectionChangeData.getEntityName(), persistentCollectionChangeData.getData());
auditStrategy.performCollectionChange(session, verCfg, persistentCollectionChangeData, revisionData);
}
}
@ -137,13 +138,24 @@ public class PersistentCollectionChangeWorkUnit extends AbstractAuditWorkUnit im
// Including only those original changes, which are not overshadowed by new ones.
for (PersistentCollectionChangeData originalCollectionChangeData : original.getCollectionChanges()) {
if (!newChangesIdMap.containsKey(getOriginalId(originalCollectionChangeData))) {
Object originalOriginalId = getOriginalId(originalCollectionChangeData);
if (!newChangesIdMap.containsKey(originalOriginalId)) {
mergedChanges.add(originalCollectionChangeData);
} else {
// If the changes collide, checking if the first one isn't a DEL, and the second a subsequent ADD
// If so, removing the change alltogether.
String revTypePropName = verCfg.getAuditEntCfg().getRevisionTypePropName();
if (RevisionType.ADD.equals(newChangesIdMap.get(originalOriginalId).getData().get(
revTypePropName)) && RevisionType.DEL.equals(originalCollectionChangeData.getData().get(
revTypePropName))) {
newChangesIdMap.remove(originalOriginalId);
}
}
}
// Finally adding all of the new changes to the end of the list
mergedChanges.addAll(getCollectionChanges());
// Finally adding all of the new changes to the end of the list (the map values may differ from
// getCollectionChanges() because of the last operation above).
mergedChanges.addAll(newChangesIdMap.values());
return new PersistentCollectionChangeWorkUnit(sessionImplementor, entityName, verCfg, id, mergedChanges,
referencingPropertyName);

17
envers/src/main/java/org/hibernate/envers/tools/query/QueryBuilder.java
View File

@ -24,9 +24,12 @@
package org.hibernate.envers.tools.query;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.envers.tools.MutableInteger;
import org.hibernate.envers.tools.Pair;
import org.hibernate.envers.tools.StringTools;
@ -197,4 +200,18 @@ public class QueryBuilder {
return orderList;
}
public Query toQuery(Session session) {
StringBuilder querySb = new StringBuilder();
Map<String, Object> queryParamValues = new HashMap<String, Object>();
build(querySb, queryParamValues);
Query query = session.createQuery(querySb.toString());
for (Map.Entry<String, Object> paramValue : queryParamValues.entrySet()) {
query.setParameter(paramValue.getKey(), paramValue.getValue());
}
return query;
}
}

16
envers/src/test/java/org/hibernate/envers/test/AbstractEntityTest.java
View File

@ -30,9 +30,7 @@ import javax.persistence.EntityManagerFactory;
import org.hibernate.envers.AuditReader;
import org.hibernate.envers.AuditReaderFactory;
import org.hibernate.envers.event.AuditEventListener;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.AfterClass;
import org.testng.annotations.*;
import org.hibernate.ejb.Ejb3Configuration;
import org.hibernate.event.*;
@ -78,17 +76,23 @@ public abstract class AbstractEntityTest {
}
@BeforeClass
public void init() throws IOException {
init(true);
@Parameters("auditStrategy")
public void init(@Optional String auditStrategy) throws IOException {
init(true, auditStrategy);
}
protected void init(boolean audited) throws IOException {
protected void init(boolean audited, String auditStrategy) throws IOException {
this.audited = audited;
cfg = new Ejb3Configuration();
if (audited) {
initListeners();
}
if (auditStrategy != null && !"".equals(auditStrategy)) {
cfg.setProperty("org.hibernate.envers.audit_strategy", auditStrategy);
}
cfg.configure("hibernate.test.cfg.xml");
configure(cfg);
emf = cfg.buildEntityManagerFactory();

3
envers/src/test/java/org/hibernate/envers/test/entities/customtype/CompositeTestUserType.java
View File

@ -90,9 +90,6 @@ public class CompositeTestUserType implements CompositeUserType {
public Object nullSafeGet(final ResultSet rs, final String[] names,
final SessionImplementor session,
final Object owner) throws HibernateException, SQLException {
if (rs.wasNull()) {
return null;
}
final String prop1 = rs.getString(names[0]);
if (prop1 == null) {
return null;

2
envers/src/test/java/org/hibernate/envers/test/integration/manytomany/sametable/BasicSametable.java
View File

@ -66,7 +66,7 @@ public class BasicSametable extends AbstractEntityTest {
session.createSQLQuery("DROP TABLE children").executeUpdate();
session.createSQLQuery("CREATE TABLE children(parent_id integer, child1_id integer NULL, child2_id integer NULL)").executeUpdate();
session.createSQLQuery("DROP TABLE children_AUD").executeUpdate();
session.createSQLQuery("CREATE TABLE children_AUD(REV integer NOT NULL, REVTYPE tinyint, " +
session.createSQLQuery("CREATE TABLE children_AUD(REV integer NOT NULL, REVEND integer, REVTYPE tinyint, " +
"parent_id integer, child1_id integer NULL, child2_id integer NULL)").executeUpdate();
em.getTransaction().commit();
em.clear();

4
envers/src/test/java/org/hibernate/envers/test/performance/AbstractPerformanceTest.java
View File

@ -88,11 +88,11 @@ public abstract class AbstractPerformanceTest extends AbstractEntityTest {
List<Long> unauditedRuns = new ArrayList<Long>();
List<Long> auditedRuns = new ArrayList<Long>();
init(true);
init(true, null);
long audited = run(numberOfRuns, auditedRuns);
close();
init(false);
init(false, null);
long unaudited = run(numberOfRuns, unauditedRuns);
close();

2
envers/src/test/resources/hibernate.test.cfg.xml
View File

@ -23,6 +23,8 @@
<!--<property name="connection.username">root</property>-->
<!--<property name="connection.password"></property>-->
<!--<property name="org.hibernate.envers.audit_strategy">org.hibernate.envers.strategy.ValidTimeAuditStrategy</property>-->
<!--<property name="hibernate.jdbc.batch_size">100</property>-->
<!--<event type="post-insert">

20
envers/src/test/resources/testng.xml
View File

@ -1,8 +1,5 @@
<!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd" >
<suite name="Envers">
<test name="All">
<packages>
<!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd" [
<!ENTITY packages '
<package name="org.hibernate.envers.test.integration.accesstype" />
<package name="org.hibernate.envers.test.integration.auditReader" />
<package name="org.hibernate.envers.test.integration.basic" />
@ -71,6 +68,19 @@
<package name="org.hibernate.envers.test.integration.secondary.ids" />
<package name="org.hibernate.envers.test.integration.serialization" />
<package name="org.hibernate.envers.test.integration.superclass" />
'>
]>
<suite name="Envers">
<test name="All">
<packages>
&packages;
</packages>
</test>
<test name="ValidTimeAuditStrategy">
<parameter name="auditStrategy" value="org.hibernate.envers.strategy.ValidTimeAuditStrategy" />
<packages>
&packages;
</packages>
</test>
</suite>