private InternalRelationshipBuilder ReuniquifyTemporaryProperties(ForeignKey foreignKey, bool force)
{
if (!force &&
(foreignKey.GetForeignKeyPropertiesConfigurationSource() != null ||
!foreignKey.DeclaringEntityType.Builder.ShouldReuniquifyTemporaryProperties(
foreignKey.Properties,
foreignKey.PrincipalKey.Properties,
foreignKey.IsRequired && foreignKey.GetIsRequiredConfigurationSource().Overrides(ConfigurationSource.Convention),
GetPropertyBaseName(foreignKey))))
{
return(foreignKey.Builder);
}
var relationshipBuilder = foreignKey.Builder;
using (var batch = foreignKey.DeclaringEntityType.Model.ConventionDispatcher.StartBatch())
{
var temporaryProperties = foreignKey.Properties.Where(
p => p.IsShadowProperty &&
ConfigurationSource.Convention.Overrides(p.GetConfigurationSource())).ToList();
var keysToDetach = temporaryProperties.SelectMany(
p => p.GetContainingKeys()
.Where(k => ConfigurationSource.Convention.Overrides(k.GetConfigurationSource())))
.Distinct().ToList();
List <RelationshipSnapshot> detachedRelationships = null;
foreach (var key in keysToDetach)
{
foreach (var referencingForeignKey in key.GetReferencingForeignKeys().ToList())
{
if (detachedRelationships == null)
{
detachedRelationships = new List <RelationshipSnapshot>();
}
detachedRelationships.Add(InternalEntityTypeBuilder.DetachRelationship(referencingForeignKey));
}
}
var detachedKeys = InternalEntityTypeBuilder.DetachKeys(keysToDetach);
var detachedIndexes = InternalEntityTypeBuilder.DetachIndexes(
temporaryProperties.SelectMany(p => p.GetContainingIndexes()).Distinct());
relationshipBuilder = relationshipBuilder.HasForeignKey((IReadOnlyList <Property>)null, ConfigurationSource.Convention);
if (detachedIndexes != null)
{
foreach (var indexBuilderTuple in detachedIndexes)
{
indexBuilderTuple.Attach(indexBuilderTuple.Metadata.DeclaringEntityType.Builder);
}
}
if (detachedKeys != null)
{
foreach (var detachedKeyTuple in detachedKeys)
{
detachedKeyTuple.Item1.Attach(foreignKey.DeclaringEntityType.RootType().Builder, detachedKeyTuple.Item2);
}
}
if (detachedRelationships != null)
{
foreach (var detachedRelationship in detachedRelationships)
{
detachedRelationship.Attach();
}
}
return(batch.Run(relationshipBuilder));
}
}
