//@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));
}
private void addOneToManyAttached(bool fakeOneToManyBidirectional)
{
log.Debug("Adding audit mapping for property {0}. {1}" +
": one-to-many collection, using a join column on the referenced entity.", _referencingEntityName, _propertyName);
var mappedBy = getMappedBy(_propertyValue);
var referencedIdMapping = _mainGenerator.GetReferencedIdMappingData(_referencingEntityName,
_referencedEntityName, _propertyAuditingData, false);
var referencingIdMapping = _referencingEntityConfiguration.IdMappingData;
// Generating the id mappers data for the referencing side of the relation.
var 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).
var referencedIdData = createMiddleIdData(referencedIdMapping,
null, _referencedEntityName);
// Generating the element mapping.
var 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.
var indexComponentData = addIndex(null, null);
// Generating the query generator - it should read directly from the related entity.
var queryGenerator = new OneAuditEntityQueryGenerator(_mainGenerator.VerEntCfg,
_mainGenerator.GlobalCfg.AuditStrategy, referencingIdData, _referencedEntityName, referencedIdData, isEmbeddableElementType());
// Creating common mapper data.
var 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).
var auditMappedBy = _propertyAuditingData.MappedBy;
// Creating a prefixed relation mapper.
var relMapper = referencingIdMapping.IdMapper.PrefixMappedProperties(
MappingTools.CreateToOneRelationPrefix(auditMappedBy));
fakeBidirectionalRelationMapper = new ToOneIdMapper(
_mainGenerator.GlobalCfg.EnversProxyFactory,
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),
_referencedEntityName, false);
// Checking if there's an index defined. If so, adding a mapper for it.
if (_propertyAuditingData.PositionMappedBy != null)
{
var positionMappedBy = _propertyAuditingData.PositionMappedBy;
fakeBidirectionalRelationIndexMapper = new SinglePropertyMapper(new PropertyData(positionMappedBy, 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.PrefixedMapper, fakeBidirectionalRelationMapper,
fakeBidirectionalRelationIndexMapper);
}
public void AddToOne(XElement parent, PropertyAuditingData propertyAuditingData, IValue value,
ICompositeMapperBuilder mapper, string entityName, bool insertable)
{
var referencedEntityName = ((ToOne)value).ReferencedEntityName;
var idMapping = _mainGenerator.GetReferencedIdMappingData(entityName, referencedEntityName,
propertyAuditingData, true);
var lastPropertyPrefix = MappingTools.CreateToOneRelationPrefix(propertyAuditingData.Name);
// Generating the id mapper for the relation
var relMapper = idMapping.IdMapper.PrefixMappedProperties(lastPropertyPrefix);
// Storing information about this relation
_mainGenerator.EntitiesConfigurations[entityName].AddToOneRelation(
propertyAuditingData.Name, referencedEntityName, relMapper, insertable, MappingTools.IgnoreNotFound(value));
// 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
var properties = new XElement(idMapping.XmlRelationMapping);
properties.Add(new XAttribute("name", propertyAuditingData.Name));
MetadataTools.PrefixNamesInPropertyElement(properties, lastPropertyPrefix,
MetadataTools.GetColumnNameEnumerator(value.ColumnIterator),
false, insertable, propertyAuditingData.AccessType);
// Extracting related id properties from properties tag
var firstJoin = firstJoinElement(parent);
foreach (var element in properties.Elements())
{
if (firstJoin == null)
{
parent.Add(element);
}
else
{
firstJoin.AddBeforeSelf(element);
}
}
// Adding mapper for the id
var propertyData = propertyAuditingData.GetPropertyData();
mapper.AddComposite(propertyData, new ToOneIdMapper(relMapper, propertyData, referencedEntityName, nonInsertableFake));
}
