//@SuppressWarnings({"unchecked"})
public void AddToOne(XmlElement parent, PropertyAuditingData propertyAuditingData, IValue value,
ICompositeMapperBuilder mapper, String entityName, bool insertable)
{
String referencedEntityName = ((ToOne)value).ReferencedEntityName;
IdMappingData idMapping = mainGenerator.GetReferencedIdMappingData(entityName, referencedEntityName,
propertyAuditingData, true);
String lastPropertyPrefix = MappingTools.createToOneRelationPrefix(propertyAuditingData.Name);
// Generating the id mapper for the relation
IIdMapper relMapper = idMapping.IdMapper.PrefixMappedProperties(lastPropertyPrefix);
// Storing information about this relation
mainGenerator.EntitiesConfigurations[entityName].AddToOneRelation(
propertyAuditingData.Name, referencedEntityName, relMapper, insertable);
// If the property isn't insertable, checking if this is not a "fake" bidirectional many-to-one relationship,
// that is, when the one side owns the relation (and is a collection), and the many side is non insertable.
// When that's the case and the user specified to store this relation without a middle table (using
// @AuditMappedBy), we have to make the property insertable for the purposes of Envers. In case of changes to
// 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.
bool nonInsertableFake;
if (!insertable && propertyAuditingData.ForceInsertable)
{
nonInsertableFake = true;
insertable = true;
}
else
{
nonInsertableFake = false;
}
// Adding an element to the mapping corresponding to the references entity id's
// Use OwnerDocument.ImportNode() instead of XmlNode.Clone();
XmlElement properties = (XmlElement)parent.OwnerDocument.ImportNode(idMapping.XmlRelationMapping, true);
properties.SetAttribute("name", propertyAuditingData.Name);
MetadataTools.PrefixNamesInPropertyElement(properties, lastPropertyPrefix,
MetadataTools.GetColumnNameEnumerator((IEnumerator <ISelectable>)value.ColumnIterator.GetEnumerator()), false, insertable);
parent.AppendChild(properties);
// Adding mapper for the id
PropertyData propertyData = propertyAuditingData.getPropertyData();
mapper.AddComposite(propertyData, new ToOneIdMapper(relMapper, propertyData, referencedEntityName, nonInsertableFake));
}
//@SuppressWarnings({"unchecked"})
public void AddOneToOneNotOwning(PropertyAuditingData propertyAuditingData, IValue value,
ICompositeMapperBuilder mapper, String entityName)
{
OneToOne propertyValue = (OneToOne)value;
String owningReferencePropertyName = propertyValue.ReferencedPropertyName; // mappedBy
EntityConfiguration configuration = mainGenerator.EntitiesConfigurations[entityName];
if (configuration == null)
{
throw new MappingException("An audited relation to a non-audited entity " + entityName + "!");
}
IdMappingData ownedIdMapping = configuration.IdMappingData;
if (ownedIdMapping == null)
{
throw new MappingException("An audited relation to a non-audited entity " + entityName + "!");
}
String lastPropertyPrefix = MappingTools.createToOneRelationPrefix(owningReferencePropertyName);
String referencedEntityName = propertyValue.ReferencedEntityName;
// Generating the id mapper for the relation
IIdMapper ownedIdMapper = ownedIdMapping.IdMapper.PrefixMappedProperties(lastPropertyPrefix);
// Storing information about this relation
mainGenerator.EntitiesConfigurations[entityName].AddToOneNotOwningRelation(
propertyAuditingData.Name, owningReferencePropertyName,
referencedEntityName, ownedIdMapper);
// Adding mapper for the id
PropertyData propertyData = propertyAuditingData.getPropertyData();
mapper.AddComposite(propertyData, new OneToOneNotOwningMapper(owningReferencePropertyName,
referencedEntityName, propertyData));
}
private void AddOneToManyAttached(bool fakeOneToManyBidirectional)
{
//throw new NotImplementedException();
log.Debug("Adding audit mapping for property " + referencingEntityName + "." + propertyName +
": one-to-many collection, using a join column on the referenced entity.");
String mappedBy = GetMappedBy(propertyValue);
IdMappingData referencedIdMapping = mainGenerator.GetReferencedIdMappingData(referencingEntityName,
referencedEntityName, propertyAuditingData, false);
IdMappingData referencingIdMapping = referencingEntityConfiguration.IdMappingData;
// Generating the id mappers data for the referencing side of the relation.
MiddleIdData referencingIdData = CreateMiddleIdData(referencingIdMapping,
mappedBy + "_", referencingEntityName);
// And for the referenced side. The prefixed mapper won't be used (as this collection isn't persisted
// in a join table, so the prefix value is arbitrary).
MiddleIdData referencedIdData = CreateMiddleIdData(referencedIdMapping,
null, referencedEntityName);
// Generating the element mapping.
MiddleComponentData elementComponentData = new MiddleComponentData(
new MiddleRelatedComponentMapper(referencedIdData), 0);
// Generating the index mapping, if an index exists. It can only exists in case a javax.persistence.MapKey
// annotation is present on the entity. So the middleEntityXml will be not be used. The queryGeneratorBuilder
// will only be checked for nullnes.
MiddleComponentData indexComponentData = AddIndex(null, null);
// Generating the query generator - it should read directly from the related entity.
IRelationQueryGenerator queryGenerator = new OneAuditEntityQueryGenerator(mainGenerator.GlobalCfg,
mainGenerator.VerEntCfg, referencingIdData, referencedEntityName,
referencedIdMapping.IdMapper);
// Creating common mapper data.
CommonCollectionMapperData commonCollectionMapperData = new CommonCollectionMapperData(
mainGenerator.VerEntCfg, referencedEntityName,
propertyAuditingData.getPropertyData(),
referencingIdData, queryGenerator);
IPropertyMapper fakeBidirectionalRelationMapper;
IPropertyMapper 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).
String auditMappedBy = propertyAuditingData.AuditMappedBy;
// Creating a prefixed relation mapper.
IIdMapper relMapper = referencingIdMapping.IdMapper.PrefixMappedProperties(
MappingTools.createToOneRelationPrefix(auditMappedBy));
fakeBidirectionalRelationMapper = new ToOneIdMapper(
relMapper,
// The mapper will only be used to map from entity to map, so no need to provide other details
// when constructing the PropertyData.
new PropertyData(auditMappedBy, null, null, ModificationStore._NULL),
referencedEntityName, false);
// Checking if there's an index defined. If so, adding a mapper for it.
if (propertyAuditingData.PositionMappedBy != null)
{
String positionMappedBy = propertyAuditingData.PositionMappedBy;
fakeBidirectionalRelationIndexMapper = new SinglePropertyMapper(new PropertyData(positionMappedBy, null, null, ModificationStore._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.PrefixedMapper, fakeBidirectionalRelationMapper,
fakeBidirectionalRelationIndexMapper);
}
