HHH-4694:

- support for indexed "fake" bidirectional relations
- adding a field-calculation-phase, after all metadata is read from annotations, but before any audit entities generation is done

git-svn-id: https://svn.jboss.org/repos/hibernate/core/trunk@18236 1b8cb986-b30d-0410-93ca-fae66ebed9b2
This commit is contained in:
Adam Warski 2009-12-16 11:09:34 +00:00
parent 5a6686810b
commit a90cf3e5eb
22 changed files with 683 additions and 104 deletions

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@ -1,7 +1,12 @@
package org.hibernate.envers.configuration;
import org.hibernate.envers.configuration.metadata.reader.ClassAuditingData;
import org.hibernate.envers.configuration.metadata.reader.PropertyAuditingData;
import org.hibernate.envers.tools.MappingTools;
import org.hibernate.mapping.PersistentClass;
import org.hibernate.MappingException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.HashMap;
import java.util.Map;
@ -13,6 +18,8 @@ import java.util.LinkedHashMap;
* @author Adam Warski (adam at warski dot org)
*/
public class ClassesAuditingData {
private static final Logger log = LoggerFactory.getLogger(ClassesAuditingData.class);
private final Map<String, ClassAuditingData> entityNameToAuditingData = new HashMap<String, ClassAuditingData>();
private final Map<PersistentClass, ClassAuditingData> persistentClassToAuditingData = new LinkedHashMap<PersistentClass, ClassAuditingData>();
@ -40,4 +47,50 @@ public class ClassesAuditingData {
public ClassAuditingData getClassAuditingData(String entityName) {
return entityNameToAuditingData.get(entityName);
}
/**
* After all meta-data is read, updates calculated fields. This includes:
* <ul>
* <li>setting {@code forceInsertable} to {@code true} for properties specified by {@code @AuditMappedBy}</li>
* </ul>
*/
public void updateCalculatedFields() {
for (Map.Entry<PersistentClass, ClassAuditingData> classAuditingDataEntry : persistentClassToAuditingData.entrySet()) {
PersistentClass pc = classAuditingDataEntry.getKey();
ClassAuditingData classAuditingData = classAuditingDataEntry.getValue();
for (String propertyName : classAuditingData.getPropertyNames()) {
PropertyAuditingData propertyAuditingData = classAuditingData.getPropertyAuditingData(propertyName);
// If a property had the @AuditMappedBy annotation, setting the referenced fields to be always insertable.
if (propertyAuditingData.getAuditMappedBy() != null) {
String referencedEntityName = MappingTools.getReferencedEntityName(pc.getProperty(propertyName).getValue());
ClassAuditingData referencedClassAuditingData = entityNameToAuditingData.get(referencedEntityName);
forcePropertyInsertable(referencedClassAuditingData, propertyAuditingData.getAuditMappedBy(),
pc.getEntityName(), referencedEntityName);
forcePropertyInsertable(referencedClassAuditingData, propertyAuditingData.getPositionMappedBy(),
pc.getEntityName(), referencedEntityName);
}
}
}
}
private void forcePropertyInsertable(ClassAuditingData classAuditingData, String propertyName,
String entityName, String referencedEntityName) {
if (propertyName != null) {
if (classAuditingData.getPropertyAuditingData(propertyName) == null) {
throw new MappingException("@AuditMappedBy points to a property that doesn't exist: " +
referencedEntityName + "." + propertyName);
}
log.debug("Non-insertable property " + referencedEntityName + "." + propertyName +
" will be made insertable because a matching @AuditMappedBy was found in the " +
entityName + " entity.");
classAuditingData
.getPropertyAuditingData(propertyName)
.setForceInsertable(true);
}
}
}

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@ -80,6 +80,9 @@ public class EntitiesConfigurator {
classesAuditingData.addClassAuditingData(pc, auditData);
}
// Now that all information is read we can update the calculated fields.
classesAuditingData.updateCalculatedFields();
AuditMetadataGenerator auditMetaGen = new AuditMetadataGenerator(cfg, globalCfg, verEntCfg,
revisionInfoRelationMapping, auditEntityNameRegister, classesAuditingData);

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@ -66,7 +66,7 @@ public final class BasicMetadataGenerator {
Value value, SimpleMapperBuilder mapper, boolean insertable, boolean key) {
if (parent != null) {
Element prop_mapping = MetadataTools.addProperty(parent, propertyAuditingData.getName(),
value.getType().getName(), insertable, key);
value.getType().getName(), propertyAuditingData.isForceInsertable() || insertable, key);
MetadataTools.addColumns(prop_mapping, (Iterator<Column>) value.getColumnIterator());
}

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@ -43,13 +43,10 @@ import org.hibernate.envers.entities.IdMappingData;
import org.hibernate.envers.entities.PropertyData;
import org.hibernate.envers.entities.mapper.CompositeMapperBuilder;
import org.hibernate.envers.entities.mapper.PropertyMapper;
import org.hibernate.envers.entities.mapper.SinglePropertyMapper;
import org.hibernate.envers.entities.mapper.id.IdMapper;
import org.hibernate.envers.entities.mapper.relation.*;
import org.hibernate.envers.entities.mapper.relation.component.MiddleDummyComponentMapper;
import org.hibernate.envers.entities.mapper.relation.component.MiddleMapKeyIdComponentMapper;
import org.hibernate.envers.entities.mapper.relation.component.MiddleMapKeyPropertyComponentMapper;
import org.hibernate.envers.entities.mapper.relation.component.MiddleRelatedComponentMapper;
import org.hibernate.envers.entities.mapper.relation.component.MiddleSimpleComponentMapper;
import org.hibernate.envers.entities.mapper.relation.component.*;
import org.hibernate.envers.entities.mapper.relation.lazy.proxy.ListProxy;
import org.hibernate.envers.entities.mapper.relation.lazy.proxy.MapProxy;
import org.hibernate.envers.entities.mapper.relation.lazy.proxy.SetProxy;
@ -68,7 +65,6 @@ import org.hibernate.mapping.OneToMany;
import org.hibernate.mapping.PersistentClass;
import org.hibernate.mapping.Property;
import org.hibernate.mapping.Table;
import org.hibernate.mapping.ToOne;
import org.hibernate.mapping.Value;
import org.hibernate.type.BagType;
import org.hibernate.type.ListType;
@ -132,17 +128,7 @@ public final class CollectionMetadataGenerator {
throw new MappingException("Unable to read auditing configuration for " + referencingEntityName + "!");
}
referencedEntityName = getReferencedEntityName(propertyValue.getElement());
}
private String getReferencedEntityName(Value value) {
if (value instanceof ToOne) {
return ((ToOne) value).getReferencedEntityName();
} else if (value instanceof OneToMany) {
return ((OneToMany) value).getReferencedEntityName();
} else {
return null;
}
referencedEntityName = MappingTools.getReferencedEntityName(propertyValue.getElement());
}
void addCollection() {
@ -206,10 +192,8 @@ public final class CollectionMetadataGenerator {
propertyAuditingData.getPropertyData(),
referencingIdData, queryGenerator);
// Checking the type of the collection and adding an appropriate mapper.
addMapper(commonCollectionMapperData, elementComponentData, indexComponentData);
PropertyMapper fakeBidirectionalRelationMapper;
PropertyMapper fakeBidirectionalRelationIndexMapper;
if (fakeOneToManyBidirectional) {
// In case of a fake many-to-one bidirectional relation, we have to generate a mapper which maps
// the mapped-by property name to the id of the related entity (which is the owner of the collection).
@ -225,13 +209,29 @@ public final class CollectionMetadataGenerator {
// when constructing the PropertyData.
new PropertyData(auditMappedBy, null, null, null),
referencedEntityName, false);
// Checking if there's an index defined. If so, adding a mapper for it.
if (propertyAuditingData.getPositionMappedBy() != null) {
String positionMappedBy = propertyAuditingData.getPositionMappedBy();
fakeBidirectionalRelationIndexMapper = new SinglePropertyMapper(new PropertyData(positionMappedBy, null, null, null));
// Also, overwriting the index component data to properly read the index.
indexComponentData = new MiddleComponentData(new MiddleStraightComponentMapper(positionMappedBy), 0);
} else {
fakeBidirectionalRelationIndexMapper = null;
}
} else {
fakeBidirectionalRelationMapper = null;
fakeBidirectionalRelationIndexMapper = null;
}
// Checking the type of the collection and adding an appropriate mapper.
addMapper(commonCollectionMapperData, elementComponentData, indexComponentData);
// Storing information about this relation.
referencingEntityConfiguration.addToManyNotOwningRelation(propertyName, mappedBy,
referencedEntityName, referencingIdData.getPrefixedMapper(), fakeBidirectionalRelationMapper);
referencedEntityName, referencingIdData.getPrefixedMapper(), fakeBidirectionalRelationMapper,
fakeBidirectionalRelationIndexMapper);
}
/**
@ -257,7 +257,7 @@ public final class CollectionMetadataGenerator {
if (value.getElement() instanceof OneToMany && !value.isInverse()) {
// This must be a @JoinColumn+@OneToMany mapping. Generating the table name, as Hibernate doesn't use a
// middle table for mapping this relation.
return StringTools.getLastComponent(entityName) + "_" + StringTools.getLastComponent(getReferencedEntityName(value.getElement()));
return StringTools.getLastComponent(entityName) + "_" + StringTools.getLastComponent(MappingTools.getReferencedEntityName(value.getElement()));
} else {
// Hibernate uses a middle table for mapping this relation, so we get it's name directly.
return value.getCollectionTable().getName();
@ -421,7 +421,7 @@ public final class CollectionMetadataGenerator {
if (type instanceof ManyToOneType) {
String prefixRelated = prefix + "_";
String referencedEntityName = getReferencedEntityName(value);
String referencedEntityName = MappingTools.getReferencedEntityName(value);
IdMappingData referencedIdMapping = mainGenerator.getReferencedIdMappingData(referencingEntityName,
referencedEntityName, propertyAuditingData, true);
@ -447,7 +447,7 @@ public final class CollectionMetadataGenerator {
} else {
// Last but one parameter: collection components are always insertable
boolean mapped = mainGenerator.getBasicMetadataGenerator().addBasic(xmlMapping,
new PropertyAuditingData(prefix, "field", ModificationStore.FULL, RelationTargetAuditMode.AUDITED, null, null),
new PropertyAuditingData(prefix, "field", ModificationStore.FULL, RelationTargetAuditMode.AUDITED, null, null, false),
value, null, true, true);
if (mapped) {
@ -533,31 +533,14 @@ public final class CollectionMetadataGenerator {
return middleEntityXmlId;
}
private String getMappedByCommon(PersistentClass referencedClass) {
// If there's an @AuditMappedBy specified, returning it directly.
String auditMappedBy = propertyAuditingData.getAuditMappedBy();
if (auditMappedBy != null) {
// Checking that the property exists.
try {
referencedClass.getProperty(auditMappedBy);
} catch (MappingException me) {
throw new MappingException("@AuditMappedBy points to a property that can be read: " +
referencedClass.getEntityName() + "." + auditMappedBy, me);
}
return auditMappedBy;
}
return null;
}
@SuppressWarnings({"unchecked"})
private String getMappedBy(Collection collectionValue) {
PersistentClass referencedClass = ((OneToMany) collectionValue.getElement()).getAssociatedClass();
String mappedByCommon = getMappedByCommon(referencedClass);
if (mappedByCommon != null) {
return mappedByCommon;
// If there's an @AuditMappedBy specified, returning it directly.
String auditMappedBy = propertyAuditingData.getAuditMappedBy();
if (auditMappedBy != null) {
return auditMappedBy;
}
Iterator<Property> assocClassProps = referencedClass.getPropertyIterator();
@ -577,9 +560,10 @@ public final class CollectionMetadataGenerator {
@SuppressWarnings({"unchecked"})
private String getMappedBy(Table collectionTable, PersistentClass referencedClass) {
String mappedByCommon = getMappedByCommon(referencedClass);
if (mappedByCommon != null) {
return mappedByCommon;
// If there's an @AuditMappedBy specified, returning it directly.
String auditMappedBy = propertyAuditingData.getAuditMappedBy();
if (auditMappedBy != null) {
return auditMappedBy;
}
Iterator<Property> properties = referencedClass.getPropertyIterator();

View File

@ -139,6 +139,6 @@ public final class IdMetadataGenerator {
private PropertyAuditingData getIdPersistentPropertyAuditingData(Property property) {
return new PropertyAuditingData(property.getName(), property.getPropertyAccessorName(),
ModificationStore.FULL, RelationTargetAuditMode.AUDITED, null, null);
ModificationStore.FULL, RelationTargetAuditMode.AUDITED, null, null, false);
}
}

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@ -24,6 +24,8 @@
package org.hibernate.envers.configuration.metadata;
import org.dom4j.Element;
import org.hibernate.MappingException;
import org.hibernate.envers.configuration.metadata.reader.PropertyAuditingData;
import org.hibernate.envers.entities.EntityConfiguration;
import org.hibernate.envers.entities.IdMappingData;
import org.hibernate.envers.entities.PropertyData;
@ -31,24 +33,16 @@ import org.hibernate.envers.entities.mapper.CompositeMapperBuilder;
import org.hibernate.envers.entities.mapper.id.IdMapper;
import org.hibernate.envers.entities.mapper.relation.OneToOneNotOwningMapper;
import org.hibernate.envers.entities.mapper.relation.ToOneIdMapper;
import org.hibernate.envers.configuration.metadata.reader.PropertyAuditingData;
import org.hibernate.envers.configuration.metadata.reader.ClassAuditingData;
import org.hibernate.envers.tools.MappingTools;
import org.hibernate.MappingException;
import org.hibernate.mapping.OneToOne;
import org.hibernate.mapping.ToOne;
import org.hibernate.mapping.Value;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Generates metadata for to-one relations (reference-valued properties).
* @author Adam Warski (adam at warski dot org)
*/
public final class ToOneRelationMetadataGenerator {
private static final Logger log = LoggerFactory.getLogger(ToOneRelationMetadataGenerator.class);
private final AuditMetadataGenerator mainGenerator;
ToOneRelationMetadataGenerator(AuditMetadataGenerator auditMetadataGenerator) {
@ -79,23 +73,12 @@ public final class ToOneRelationMetadataGenerator {
// the entity that didn't involve the relation, it's value will then be stored properly. In case of changes
// to the entity that did involve the relation, it's the responsibility of the collection side to store the
// proper data.
boolean nonInsertableFake = false;
if (!insertable) {
ClassAuditingData referencedAuditingData = mainGenerator.getClassesAuditingData().getClassAuditingData(referencedEntityName);
// Looking through the properties of the referenced entity to find the right property.
for (String referencedPropertyName : referencedAuditingData.getPropertyNames()) {
String auditMappedBy = referencedAuditingData.getPropertyAuditingData(referencedPropertyName).getAuditMappedBy();
if (propertyAuditingData.getName().equals(auditMappedBy)) {
log.debug("Non-insertable property " + entityName + "." + propertyAuditingData.getName() +
" will be made insertable because a matching @AuditMappedBy was found in the " +
referencedEntityName + " entity.");
insertable = true;
boolean nonInsertableFake;
if (!insertable && propertyAuditingData.isForceInsertable()) {
nonInsertableFake = true;
break;
}
}
insertable = true;
} else {
nonInsertableFake = false;
}
// Adding an element to the mapping corresponding to the references entity id's

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@ -48,13 +48,15 @@ public class PropertyAuditingData {
private RelationTargetAuditMode relationTargetAuditMode;
private String auditMappedBy;
private String positionMappedBy;
private boolean forceInsertable;
public PropertyAuditingData() {
}
public PropertyAuditingData(String name, String accessType, ModificationStore store,
RelationTargetAuditMode relationTargetAuditMode,
String auditMappedBy, String positionMappedBy) {
String auditMappedBy, String positionMappedBy,
boolean forceInsertable) {
this.name = name;
this.beanName = name;
this.accessType = accessType;
@ -62,6 +64,7 @@ public class PropertyAuditingData {
this.relationTargetAuditMode = relationTargetAuditMode;
this.auditMappedBy = auditMappedBy;
this.positionMappedBy = positionMappedBy;
this.forceInsertable = forceInsertable;
}
public String getName() {
@ -136,6 +139,14 @@ public class PropertyAuditingData {
this.positionMappedBy = positionMappedBy;
}
public boolean isForceInsertable() {
return forceInsertable;
}
public void setForceInsertable(boolean forceInsertable) {
this.forceInsertable = forceInsertable;
}
public void addAuditingOverride(AuditOverride annotation) {
if (annotation != null) {
String overrideName = annotation.name();

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@ -53,29 +53,31 @@ public class EntityConfiguration {
public void addToOneRelation(String fromPropertyName, String toEntityName, IdMapper idMapper, boolean insertable) {
relations.put(fromPropertyName, new RelationDescription(fromPropertyName, RelationType.TO_ONE,
toEntityName, null, idMapper, null, insertable));
toEntityName, null, idMapper, null, null, insertable));
}
public void addToOneNotOwningRelation(String fromPropertyName, String mappedByPropertyName, String toEntityName,
IdMapper idMapper) {
relations.put(fromPropertyName, new RelationDescription(fromPropertyName, RelationType.TO_ONE_NOT_OWNING,
toEntityName, mappedByPropertyName, idMapper, null, true));
toEntityName, mappedByPropertyName, idMapper, null, null, true));
}
public void addToManyNotOwningRelation(String fromPropertyName, String mappedByPropertyName, String toEntityName,
IdMapper idMapper, PropertyMapper fakeBidirectionalRelationMapper) {
IdMapper idMapper, PropertyMapper fakeBidirectionalRelationMapper,
PropertyMapper fakeBidirectionalRelationIndexMapper) {
relations.put(fromPropertyName, new RelationDescription(fromPropertyName, RelationType.TO_MANY_NOT_OWNING,
toEntityName, mappedByPropertyName, idMapper, fakeBidirectionalRelationMapper, true));
toEntityName, mappedByPropertyName, idMapper, fakeBidirectionalRelationMapper,
fakeBidirectionalRelationIndexMapper, true));
}
public void addToManyMiddleRelation(String fromPropertyName, String toEntityName) {
relations.put(fromPropertyName, new RelationDescription(fromPropertyName, RelationType.TO_MANY_MIDDLE,
toEntityName, null, null, null, true));
toEntityName, null, null, null, null, true));
}
public void addToManyMiddleNotOwningRelation(String fromPropertyName, String mappedByPropertyName, String toEntityName) {
relations.put(fromPropertyName, new RelationDescription(fromPropertyName, RelationType.TO_MANY_MIDDLE_NOT_OWNING,
toEntityName, mappedByPropertyName, null, null, true));
toEntityName, mappedByPropertyName, null, null, null, true));
}
public boolean isRelation(String propertyName) {

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@ -36,18 +36,21 @@ public class RelationDescription {
private final String mappedByPropertyName;
private final IdMapper idMapper;
private final PropertyMapper fakeBidirectionalRelationMapper;
private final PropertyMapper fakeBidirectionalRelationIndexMapper;
private final boolean insertable;
private boolean bidirectional;
public RelationDescription(String fromPropertyName, RelationType relationType, String toEntityName,
String mappedByPropertyName, IdMapper idMapper,
PropertyMapper fakeBidirectionalRelationMapper, boolean insertable) {
PropertyMapper fakeBidirectionalRelationMapper,
PropertyMapper fakeBidirectionalRelationIndexMapper, boolean insertable) {
this.fromPropertyName = fromPropertyName;
this.relationType = relationType;
this.toEntityName = toEntityName;
this.mappedByPropertyName = mappedByPropertyName;
this.idMapper = idMapper;
this.fakeBidirectionalRelationMapper = fakeBidirectionalRelationMapper;
this.fakeBidirectionalRelationIndexMapper = fakeBidirectionalRelationIndexMapper;
this.insertable = insertable;
this.bidirectional = false;
@ -77,6 +80,10 @@ public class RelationDescription {
return fakeBidirectionalRelationMapper;
}
public PropertyMapper getFakeBidirectionalRelationIndexMapper() {
return fakeBidirectionalRelationIndexMapper;
}
public boolean isInsertable() {
return insertable;
}

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@ -23,10 +23,12 @@
*/
package org.hibernate.envers.entities.mapper;
import org.hibernate.envers.tools.Pair;
import java.util.Map;
/**
* Data describing the change of a single object in a persisten collection (when the object was added, removed or
* Data describing the change of a single object in a persistent collection (when the object was added, removed or
* modified in the collection).
* @author Adam Warski (adam at warski dot org)
*/
@ -54,10 +56,32 @@ public class PersistentCollectionChangeData {
}
/**
* For use by bi-directional associations.
* @return The affected element, which was changed (added, removed, modified) in the collection.
*/
public Object getChangedElement() {
if (changedElement instanceof Pair) {
return ((Pair) changedElement).getSecond();
}
if (changedElement instanceof Map.Entry) {
return ((Map.Entry) changedElement).getValue();
}
return changedElement;
}
/**
* @return Index of the affected element, or {@code null} if the collection isn't indexed.
*/
public Object getChangedElementIndex() {
if (changedElement instanceof Pair) {
return ((Pair) changedElement).getFirst();
}
if (changedElement instanceof Map.Entry) {
return ((Map.Entry) changedElement).getKey();
}
return null;
}
}

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@ -47,6 +47,10 @@ import org.hibernate.HibernateException;
public class SinglePropertyMapper implements PropertyMapper, SimpleMapperBuilder {
private PropertyData propertyData;
public SinglePropertyMapper(PropertyData propertyData) {
this.propertyData = propertyData;
}
public SinglePropertyMapper() { }
public void add(PropertyData propertyData) {

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@ -70,7 +70,6 @@ public abstract class AbstractCollectionMapper<T> implements PropertyMapper {
protected abstract Collection getNewCollectionContent(PersistentCollection newCollection);
protected abstract Collection getOldCollectionContent(Serializable oldCollection);
protected abstract Object getElement(Object changedObject);
/**
* Maps the changed collection element to the given map.
@ -87,7 +86,7 @@ public abstract class AbstractCollectionMapper<T> implements PropertyMapper {
entityData.put(commonCollectionMapperData.getVerEntCfg().getOriginalIdPropName(), originalId);
collectionChanges.add(new PersistentCollectionChangeData(
commonCollectionMapperData.getVersionsMiddleEntityName(), entityData, getElement(changedObj)));
commonCollectionMapperData.getVersionsMiddleEntityName(), entityData, changedObj));
// Mapping the collection owner's id.
commonCollectionMapperData.getReferencingIdData().getPrefixedMapper().mapToMapFromId(originalId, id);

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@ -71,8 +71,4 @@ public final class BasicCollectionMapper<T extends Collection> extends AbstractC
protected void mapToMapFromObject(Map<String, Object> data, Object changed) {
elementComponentData.getComponentMapper().mapToMapFromObject(data, changed);
}
protected Object getElement(Object changedObject) {
return changedObject;
}
}

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@ -83,9 +83,4 @@ public final class ListCollectionMapper extends AbstractCollectionMapper<List> i
elementComponentData.getComponentMapper().mapToMapFromObject(data, indexValuePair.getSecond());
indexComponentData.getComponentMapper().mapToMapFromObject(data, indexValuePair.getFirst());
}
@SuppressWarnings({"unchecked"})
protected Object getElement(Object changedObject) {
return ((Pair<Integer, Object>) changedObject).getFirst();
}
}

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@ -76,8 +76,4 @@ public final class MapCollectionMapper<T extends Map> extends AbstractCollection
elementComponentData.getComponentMapper().mapToMapFromObject(data, ((Map.Entry) changed).getValue());
indexComponentData.getComponentMapper().mapToMapFromObject(data, ((Map.Entry) changed).getKey());
}
protected Object getElement(Object changedObject) {
return ((Map.Entry) changedObject).getValue();
}
}

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@ -0,0 +1,56 @@
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Middleware LLC.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.envers.entities.mapper.relation.component;
import org.hibernate.envers.entities.EntityInstantiator;
import org.hibernate.envers.tools.query.Parameters;
import java.util.Map;
/**
* A mapper for reading and writing a property straight to/from maps. This mapper cannot be used with middle tables,
* but only with "fake" bidirectional indexed relations.
* @author Adam Warski (adam at warski dot org)
*/
public final class MiddleStraightComponentMapper implements MiddleComponentMapper {
private final String propertyName;
public MiddleStraightComponentMapper(String propertyName) {
this.propertyName = propertyName;
}
@SuppressWarnings({"unchecked"})
public Object mapToObjectFromFullMap(EntityInstantiator entityInstantiator, Map<String, Object> data,
Object dataObject, Number revision) {
return data.get(propertyName);
}
public void mapToMapFromObject(Map<String, Object> data, Object obj) {
data.put(propertyName, obj);
}
public void addMiddleEqualToQuery(Parameters parameters, String prefix1, String prefix2) {
throw new UnsupportedOperationException("Cannot use this mapper with a middle table!");
}
}

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@ -239,7 +239,8 @@ public class AuditEventListener implements PostInsertEventListener, PostUpdateEv
relatedId, relatedObj);
verSync.addWorkUnit(new FakeBidirectionalRelationWorkUnit(event.getSession(), relatedEntityName, verCfg,
relatedId, referencingPropertyName, event.getAffectedOwnerOrNull(), rd, revType, nestedWorkUnit));
relatedId, referencingPropertyName, event.getAffectedOwnerOrNull(), rd, revType,
changeData.getChangedElementIndex(), nestedWorkUnit));
}
// We also have to generate a collection change work unit for the owning entity.

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@ -28,13 +28,14 @@ public class FakeBidirectionalRelationWorkUnit extends AbstractAuditWorkUnit imp
AuditConfiguration verCfg, Serializable id,
String referencingPropertyName, Object owningEntity,
RelationDescription rd, RevisionType revisionType,
Object index,
AuditWorkUnit nestedWorkUnit) {
super(sessionImplementor, entityName, verCfg, id);
this.nestedWorkUnit = nestedWorkUnit;
// Adding the change for the relation.
fakeRelationChanges = new HashMap<String, FakeRelationChange>();
fakeRelationChanges.put(referencingPropertyName, new FakeRelationChange(owningEntity, rd, revisionType));
fakeRelationChanges.put(referencingPropertyName, new FakeRelationChange(owningEntity, rd, revisionType, index));
}
public FakeBidirectionalRelationWorkUnit(FakeBidirectionalRelationWorkUnit original,
@ -134,11 +135,14 @@ public class FakeBidirectionalRelationWorkUnit extends AbstractAuditWorkUnit imp
private final Object owningEntity;
private final RelationDescription rd;
private final RevisionType revisionType;
private final Object index;
public FakeRelationChange(Object owningEntity, RelationDescription rd, RevisionType revisionType) {
public FakeRelationChange(Object owningEntity, RelationDescription rd, RevisionType revisionType,
Object index) {
this.owningEntity = owningEntity;
this.rd = rd;
this.revisionType = revisionType;
this.index = index;
}
public RevisionType getRevisionType() {
@ -150,6 +154,12 @@ public class FakeBidirectionalRelationWorkUnit extends AbstractAuditWorkUnit imp
// new owner will in fact be null.
rd.getFakeBidirectionalRelationMapper().mapToMapFromEntity(sessionImplementor, data,
revisionType == RevisionType.DEL ? null : owningEntity, null);
// Also mapping the index, if the collection is indexed.
if (rd.getFakeBidirectionalRelationIndexMapper() != null) {
rd.getFakeBidirectionalRelationIndexMapper().mapToMapFromEntity(sessionImplementor, data,
revisionType == RevisionType.DEL ? null : index, null);
}
}
public static FakeRelationChange merge(FakeRelationChange first, FakeRelationChange second) {

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@ -1,5 +1,10 @@
package org.hibernate.envers.tools;
import org.hibernate.mapping.Collection;
import org.hibernate.mapping.OneToMany;
import org.hibernate.mapping.ToOne;
import org.hibernate.mapping.Value;
/**
* @author Adam Warski (adam at warski dot org)
*/
@ -20,4 +25,16 @@ public class MappingTools {
public static String createToOneRelationPrefix(String referencePropertyName) {
return referencePropertyName + "_";
}
public static String getReferencedEntityName(Value value) {
if (value instanceof ToOne) {
return ((ToOne) value).getReferencedEntityName();
} else if (value instanceof OneToMany) {
return ((OneToMany) value).getReferencedEntityName();
} else if (value instanceof Collection) {
return getReferencedEntityName(((Collection) value).getElement());
}
return null;
}
}

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@ -0,0 +1,96 @@
package org.hibernate.envers.test.entities.onetomany.detached;
import org.hibernate.envers.Audited;
import javax.persistence.*;
/**
* Entity for {@link org.hibernate.envers.test.integration.onetomany.detached.IndexedJoinColumnBidirectionalList} test.
* Owned side of the relation.
* @author Adam Warski (adam at warski dot org)
*/
@Entity
@Audited
public class IndexedListJoinColumnBidirectionalRefEdEntity {
@Id
@GeneratedValue
private Integer id;
private String data;
@Column(name = "indexed_index", insertable = false, updatable = false)
private Integer position;
@ManyToOne
@JoinColumn(name = "indexed_join_column", insertable = false, updatable = false)
private IndexedListJoinColumnBidirectionalRefIngEntity owner;
public IndexedListJoinColumnBidirectionalRefEdEntity() { }
public IndexedListJoinColumnBidirectionalRefEdEntity(Integer id, String data, IndexedListJoinColumnBidirectionalRefIngEntity owner) {
this.id = id;
this.data = data;
this.owner = owner;
}
public IndexedListJoinColumnBidirectionalRefEdEntity(String data, IndexedListJoinColumnBidirectionalRefIngEntity owner) {
this.data = data;
this.owner = owner;
}
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getData() {
return data;
}
public void setData(String data) {
this.data = data;
}
public IndexedListJoinColumnBidirectionalRefIngEntity getOwner() {
return owner;
}
public void setOwner(IndexedListJoinColumnBidirectionalRefIngEntity owner) {
this.owner = owner;
}
public Integer getPosition() {
return position;
}
public void setPosition(Integer position) {
this.position = position;
}
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof IndexedListJoinColumnBidirectionalRefEdEntity)) return false;
IndexedListJoinColumnBidirectionalRefEdEntity that = (IndexedListJoinColumnBidirectionalRefEdEntity) o;
if (data != null ? !data.equals(that.data) : that.data != null) return false;
//noinspection RedundantIfStatement
if (id != null ? !id.equals(that.id) : that.id != null) return false;
return true;
}
public int hashCode() {
int result;
result = (id != null ? id.hashCode() : 0);
result = 31 * result + (data != null ? data.hashCode() : 0);
return result;
}
public String toString() {
return "IndexedListJoinColumnBidirectionalRefEdEntity(id = " + id + ", data = " + data + ")";
}
}

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@ -0,0 +1,92 @@
package org.hibernate.envers.test.entities.onetomany.detached;
import org.hibernate.envers.Audited;
import org.hibernate.envers.AuditMappedBy;
import org.hibernate.annotations.IndexColumn;
import javax.persistence.*;
import java.util.ArrayList;
import java.util.List;
import java.util.Arrays;
/**
* Entity for {@link org.hibernate.envers.test.integration.onetomany.detached.IndexedJoinColumnBidirectionalList} test.
* Owning side of the relation.
* @author Adam Warski (adam at warski dot org)
*/
@Entity
@Audited
public class IndexedListJoinColumnBidirectionalRefIngEntity {
@Id
@GeneratedValue
private Integer id;
private String data;
@OneToMany
@JoinColumn(name = "indexed_join_column")
@IndexColumn(name = "indexed_index")
@AuditMappedBy(mappedBy = "owner", positionMappedBy = "position")
private List<IndexedListJoinColumnBidirectionalRefEdEntity> references;
public IndexedListJoinColumnBidirectionalRefIngEntity() { }
public IndexedListJoinColumnBidirectionalRefIngEntity(Integer id, String data, IndexedListJoinColumnBidirectionalRefEdEntity... references) {
this.id = id;
this.data = data;
this.references = new ArrayList<IndexedListJoinColumnBidirectionalRefEdEntity>();
this.references.addAll(Arrays.asList(references));
}
public IndexedListJoinColumnBidirectionalRefIngEntity(String data, IndexedListJoinColumnBidirectionalRefEdEntity... references) {
this(null, data, references);
}
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getData() {
return data;
}
public void setData(String data) {
this.data = data;
}
public List<IndexedListJoinColumnBidirectionalRefEdEntity> getReferences() {
return references;
}
public void setReferences(List<IndexedListJoinColumnBidirectionalRefEdEntity> references) {
this.references = references;
}
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof IndexedListJoinColumnBidirectionalRefIngEntity)) return false;
IndexedListJoinColumnBidirectionalRefIngEntity that = (IndexedListJoinColumnBidirectionalRefIngEntity) o;
if (data != null ? !data.equals(that.data) : that.data != null) return false;
//noinspection RedundantIfStatement
if (id != null ? !id.equals(that.id) : that.id != null) return false;
return true;
}
public int hashCode() {
int result;
result = (id != null ? id.hashCode() : 0);
result = 31 * result + (data != null ? data.hashCode() : 0);
return result;
}
public String toString() {
return "IndexedListJoinColumnBidirectionalRefIngEntity(id = " + id + ", data = " + data + ")";
}
}

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@ -0,0 +1,250 @@
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Middleware LLC.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.envers.test.integration.onetomany.detached;
import org.hibernate.ejb.Ejb3Configuration;
import org.hibernate.envers.test.AbstractEntityTest;
import org.hibernate.envers.test.entities.onetomany.detached.IndexedListJoinColumnBidirectionalRefIngEntity;
import org.hibernate.envers.test.entities.onetomany.detached.IndexedListJoinColumnBidirectionalRefEdEntity;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertTrue;
import org.testng.annotations.Test;
import javax.persistence.EntityManager;
import java.util.Arrays;
/**
* Test for a "fake" bidirectional mapping where one side uses @OneToMany+@JoinColumn (and thus owns the relatin),
* and the other uses a @ManyToOne(insertable=false, updatable=false).
* @author Adam Warski (adam at warski dot org)
*/
public class IndexedJoinColumnBidirectionalList extends AbstractEntityTest {
private Integer ed1_id;
private Integer ed2_id;
private Integer ed3_id;
private Integer ing1_id;
private Integer ing2_id;
public void configure(Ejb3Configuration cfg) {
cfg.addAnnotatedClass(IndexedListJoinColumnBidirectionalRefIngEntity.class);
cfg.addAnnotatedClass(IndexedListJoinColumnBidirectionalRefEdEntity.class);
}
@Test(enabled = true)
public void createData() {
EntityManager em = getEntityManager();
IndexedListJoinColumnBidirectionalRefEdEntity ed1 = new IndexedListJoinColumnBidirectionalRefEdEntity("ed1", null);
IndexedListJoinColumnBidirectionalRefEdEntity ed2 = new IndexedListJoinColumnBidirectionalRefEdEntity("ed2", null);
IndexedListJoinColumnBidirectionalRefEdEntity ed3 = new IndexedListJoinColumnBidirectionalRefEdEntity("ed3", null);
IndexedListJoinColumnBidirectionalRefIngEntity ing1 = new IndexedListJoinColumnBidirectionalRefIngEntity("coll1", ed1, ed2, ed3);
IndexedListJoinColumnBidirectionalRefIngEntity ing2 = new IndexedListJoinColumnBidirectionalRefIngEntity("coll1");
// Revision 1 (ing1: ed1, ed2, ed3)
em.getTransaction().begin();
em.persist(ed1);
em.persist(ed2);
em.persist(ed3);
em.persist(ing1);
em.persist(ing2);
em.getTransaction().commit();
// Revision 2 (ing1: ed1, ed3, ing2: ed2)
em.getTransaction().begin();
ing1 = em.find(IndexedListJoinColumnBidirectionalRefIngEntity.class, ing1.getId());
ing2 = em.find(IndexedListJoinColumnBidirectionalRefIngEntity.class, ing2.getId());
ed2 = em.find(IndexedListJoinColumnBidirectionalRefEdEntity.class, ed2.getId());
ing1.getReferences().remove(ed2);
ing2.getReferences().add(ed2);
em.getTransaction().commit();
em.clear();
// Revision 3 (ing1: ed3, ed1, ing2: ed2)
em.getTransaction().begin();
ing1 = em.find(IndexedListJoinColumnBidirectionalRefIngEntity.class, ing1.getId());
ing2 = em.find(IndexedListJoinColumnBidirectionalRefIngEntity.class, ing2.getId());
ed1 = em.find(IndexedListJoinColumnBidirectionalRefEdEntity.class, ed1.getId());
ed2 = em.find(IndexedListJoinColumnBidirectionalRefEdEntity.class, ed2.getId());
ed3 = em.find(IndexedListJoinColumnBidirectionalRefEdEntity.class, ed3.getId());
ing1.getReferences().remove(ed3);
ing1.getReferences().add(0, ed3);
em.getTransaction().commit();
em.clear();
// Revision 4 (ing1: ed2, ed3, ed1)
em.getTransaction().begin();
ing1 = em.find(IndexedListJoinColumnBidirectionalRefIngEntity.class, ing1.getId());
ing2 = em.find(IndexedListJoinColumnBidirectionalRefIngEntity.class, ing2.getId());
ed1 = em.find(IndexedListJoinColumnBidirectionalRefEdEntity.class, ed1.getId());
ed2 = em.find(IndexedListJoinColumnBidirectionalRefEdEntity.class, ed2.getId());
ed3 = em.find(IndexedListJoinColumnBidirectionalRefEdEntity.class, ed3.getId());
ing2.getReferences().remove(ed2);
ing1.getReferences().add(0, ed2);
em.getTransaction().commit();
em.clear();
//
ing1_id = ing1.getId();
ing2_id = ing2.getId();
ed1_id = ed1.getId();
ed2_id = ed2.getId();
ed3_id = ed3.getId();
}
@Test(enabled = true, dependsOnMethods = "createData")
public void testRevisionsCounts() {
assertEquals(Arrays.asList(1, 2, 3, 4), getAuditReader().getRevisions(IndexedListJoinColumnBidirectionalRefIngEntity.class, ing1_id));
assertEquals(Arrays.asList(1, 2, 4), getAuditReader().getRevisions(IndexedListJoinColumnBidirectionalRefIngEntity.class, ing2_id));
assertEquals(Arrays.asList(1, 3, 4), getAuditReader().getRevisions(IndexedListJoinColumnBidirectionalRefEdEntity.class, ed1_id));
assertEquals(Arrays.asList(1, 2, 4), getAuditReader().getRevisions(IndexedListJoinColumnBidirectionalRefEdEntity.class, ed2_id));
assertEquals(Arrays.asList(1, 2, 3, 4), getAuditReader().getRevisions(IndexedListJoinColumnBidirectionalRefEdEntity.class, ed3_id));
}
@Test(enabled = true, dependsOnMethods = "createData")
public void testHistoryOfIng1() {
IndexedListJoinColumnBidirectionalRefEdEntity ed1 = getEntityManager().find(IndexedListJoinColumnBidirectionalRefEdEntity.class, ed1_id);
IndexedListJoinColumnBidirectionalRefEdEntity ed2 = getEntityManager().find(IndexedListJoinColumnBidirectionalRefEdEntity.class, ed2_id);
IndexedListJoinColumnBidirectionalRefEdEntity ed3 = getEntityManager().find(IndexedListJoinColumnBidirectionalRefEdEntity.class, ed3_id);
IndexedListJoinColumnBidirectionalRefIngEntity rev1 = getAuditReader().find(IndexedListJoinColumnBidirectionalRefIngEntity.class, ing1_id, 1);
IndexedListJoinColumnBidirectionalRefIngEntity rev2 = getAuditReader().find(IndexedListJoinColumnBidirectionalRefIngEntity.class, ing1_id, 2);
IndexedListJoinColumnBidirectionalRefIngEntity rev3 = getAuditReader().find(IndexedListJoinColumnBidirectionalRefIngEntity.class, ing1_id, 3);
IndexedListJoinColumnBidirectionalRefIngEntity rev4 = getAuditReader().find(IndexedListJoinColumnBidirectionalRefIngEntity.class, ing1_id, 4);
assertEquals(rev1.getReferences().size(), 3);
assertEquals(rev1.getReferences().get(0), ed1);
assertEquals(rev1.getReferences().get(1), ed2);
assertEquals(rev1.getReferences().get(2), ed3);
assertEquals(rev2.getReferences().size(), 2);
assertEquals(rev2.getReferences().get(0), ed1);
assertEquals(rev2.getReferences().get(1), ed3);
assertEquals(rev3.getReferences().size(), 2);
assertEquals(rev3.getReferences().get(0), ed3);
assertEquals(rev3.getReferences().get(1), ed1);
assertEquals(rev4.getReferences().size(), 3);
assertEquals(rev4.getReferences().get(0), ed2);
assertEquals(rev4.getReferences().get(1), ed3);
assertEquals(rev4.getReferences().get(2), ed1);
}
@Test(enabled = true, dependsOnMethods = "createData")
public void testHistoryOfIng2() {
IndexedListJoinColumnBidirectionalRefEdEntity ed2 = getEntityManager().find(IndexedListJoinColumnBidirectionalRefEdEntity.class, ed2_id);
IndexedListJoinColumnBidirectionalRefIngEntity rev1 = getAuditReader().find(IndexedListJoinColumnBidirectionalRefIngEntity.class, ing2_id, 1);
IndexedListJoinColumnBidirectionalRefIngEntity rev2 = getAuditReader().find(IndexedListJoinColumnBidirectionalRefIngEntity.class, ing2_id, 2);
IndexedListJoinColumnBidirectionalRefIngEntity rev3 = getAuditReader().find(IndexedListJoinColumnBidirectionalRefIngEntity.class, ing2_id, 3);
IndexedListJoinColumnBidirectionalRefIngEntity rev4 = getAuditReader().find(IndexedListJoinColumnBidirectionalRefIngEntity.class, ing2_id, 4);
assertEquals(rev1.getReferences().size(), 0);
assertEquals(rev2.getReferences().size(), 1);
assertEquals(rev2.getReferences().get(0), ed2);
assertEquals(rev3.getReferences().size(), 1);
assertEquals(rev3.getReferences().get(0), ed2);
assertEquals(rev4.getReferences().size(), 0);
}
@Test(enabled = true, dependsOnMethods = "createData")
public void testHistoryOfEd1() {
IndexedListJoinColumnBidirectionalRefIngEntity ing1 = getEntityManager().find(IndexedListJoinColumnBidirectionalRefIngEntity.class, ing1_id);
IndexedListJoinColumnBidirectionalRefEdEntity rev1 = getAuditReader().find(IndexedListJoinColumnBidirectionalRefEdEntity.class, ed1_id, 1);
IndexedListJoinColumnBidirectionalRefEdEntity rev2 = getAuditReader().find(IndexedListJoinColumnBidirectionalRefEdEntity.class, ed1_id, 2);
IndexedListJoinColumnBidirectionalRefEdEntity rev3 = getAuditReader().find(IndexedListJoinColumnBidirectionalRefEdEntity.class, ed1_id, 3);
IndexedListJoinColumnBidirectionalRefEdEntity rev4 = getAuditReader().find(IndexedListJoinColumnBidirectionalRefEdEntity.class, ed1_id, 4);
assertTrue(rev1.getOwner().equals(ing1));
assertTrue(rev2.getOwner().equals(ing1));
assertTrue(rev3.getOwner().equals(ing1));
assertTrue(rev4.getOwner().equals(ing1));
assertEquals(rev1.getPosition(), new Integer(0));
assertEquals(rev2.getPosition(), new Integer(0));
assertEquals(rev3.getPosition(), new Integer(1));
assertEquals(rev4.getPosition(), new Integer(2));
}
@Test(enabled = true, dependsOnMethods = "createData")
public void testHistoryOfEd2() {
IndexedListJoinColumnBidirectionalRefIngEntity ing1 = getEntityManager().find(IndexedListJoinColumnBidirectionalRefIngEntity.class, ing1_id);
IndexedListJoinColumnBidirectionalRefIngEntity ing2 = getEntityManager().find(IndexedListJoinColumnBidirectionalRefIngEntity.class, ing2_id);
IndexedListJoinColumnBidirectionalRefEdEntity rev1 = getAuditReader().find(IndexedListJoinColumnBidirectionalRefEdEntity.class, ed2_id, 1);
IndexedListJoinColumnBidirectionalRefEdEntity rev2 = getAuditReader().find(IndexedListJoinColumnBidirectionalRefEdEntity.class, ed2_id, 2);
IndexedListJoinColumnBidirectionalRefEdEntity rev3 = getAuditReader().find(IndexedListJoinColumnBidirectionalRefEdEntity.class, ed2_id, 3);
IndexedListJoinColumnBidirectionalRefEdEntity rev4 = getAuditReader().find(IndexedListJoinColumnBidirectionalRefEdEntity.class, ed2_id, 4);
assertTrue(rev1.getOwner().equals(ing1));
assertTrue(rev2.getOwner().equals(ing2));
assertTrue(rev3.getOwner().equals(ing2));
assertTrue(rev4.getOwner().equals(ing1));
assertEquals(rev1.getPosition(), new Integer(1));
assertEquals(rev2.getPosition(), new Integer(0));
assertEquals(rev3.getPosition(), new Integer(0));
assertEquals(rev4.getPosition(), new Integer(0));
}
@Test(enabled = true, dependsOnMethods = "createData")
public void testHistoryOfEd3() {
IndexedListJoinColumnBidirectionalRefIngEntity ing1 = getEntityManager().find(IndexedListJoinColumnBidirectionalRefIngEntity.class, ing1_id);
IndexedListJoinColumnBidirectionalRefEdEntity rev1 = getAuditReader().find(IndexedListJoinColumnBidirectionalRefEdEntity.class, ed3_id, 1);
IndexedListJoinColumnBidirectionalRefEdEntity rev2 = getAuditReader().find(IndexedListJoinColumnBidirectionalRefEdEntity.class, ed3_id, 2);
IndexedListJoinColumnBidirectionalRefEdEntity rev3 = getAuditReader().find(IndexedListJoinColumnBidirectionalRefEdEntity.class, ed3_id, 3);
IndexedListJoinColumnBidirectionalRefEdEntity rev4 = getAuditReader().find(IndexedListJoinColumnBidirectionalRefEdEntity.class, ed3_id, 4);
assertTrue(rev1.getOwner().equals(ing1));
assertTrue(rev2.getOwner().equals(ing1));
assertTrue(rev3.getOwner().equals(ing1));
assertTrue(rev4.getOwner().equals(ing1));
assertEquals(rev1.getPosition(), new Integer(2));
assertEquals(rev2.getPosition(), new Integer(1));
assertEquals(rev3.getPosition(), new Integer(0));
assertEquals(rev4.getPosition(), new Integer(1));
}
}