private void MapInheritanceTree(Type classType, ClassMappingBase mapping, IList <Member> mappedMembers)
{
var discriminatorSet = HasDiscriminator(mapping);
var isDiscriminated = cfg.IsDiscriminated(classType) || discriminatorSet;
var mappingTypesWithLogicalParents = GetMappingTypesWithLogicalParents();
foreach (var inheritedClass in mappingTypesWithLogicalParents
.Where(x => x.Value != null && x.Value.Type == classType)
.Select(x => x.Key))
{
var tempMapping = mapping as ClassMapping;
var tempIsNull = tempMapping == null;
if (isDiscriminated && !discriminatorSet && !tempIsNull)
{
var discriminatorColumn = cfg.GetDiscriminatorColumn(classType);
var discriminator = new DiscriminatorMapping
{
ContainingEntityType = classType,
};
discriminator.Set(x => x.Type, Layer.Defaults, new TypeReference(typeof(string)));
var columnMapping = new ColumnMapping();
columnMapping.Set(x => x.Name, Layer.Defaults, discriminatorColumn);
discriminator.AddColumn(Layer.Defaults, columnMapping);
tempMapping.Set(x => x.Discriminator, Layer.Defaults, discriminator);
discriminatorSet = true;
}
SubclassMapping subclassMapping;
var tempSubClassMap = mapping as SubclassMapping;
if (!tempIsNull && tempMapping.IsUnionSubclass || tempSubClassMap != null && tempSubClassMap.SubclassType == SubclassType.UnionSubclass)
{
subclassMapping = new SubclassMapping(SubclassType.UnionSubclass);
subclassMapping.Set(x => x.Type, Layer.Defaults, inheritedClass.Type);
}
else if (isDiscriminated || tempSubClassMap != null && tempSubClassMap.SubclassType == SubclassType.Subclass)
{
subclassMapping = new SubclassMapping(SubclassType.Subclass);
subclassMapping.Set(x => x.Type, Layer.Defaults, inheritedClass.Type);
}
else
{
subclassMapping = new SubclassMapping(SubclassType.JoinedSubclass);
subclassMapping.Set(x => x.Type, Layer.Defaults, inheritedClass.Type);
subclassMapping.Set(x => x.Key, Layer.Defaults, new KeyMapping());
var columnMapping = new ColumnMapping();
columnMapping.Set(x => x.Name, Layer.Defaults, mapping.Type.Name + "_id");
subclassMapping.Key.AddColumn(Layer.Defaults, columnMapping);
}
// track separate set of properties for each sub-tree within inheritance hierarchy
var subclassMembers = new List <Member>(mappedMembers);
MapSubclass(subclassMembers, subclassMapping, inheritedClass);
mapping.AddSubclass(subclassMapping);
MergeMap(inheritedClass.Type, subclassMapping, subclassMembers);
}
}
DiscriminatorMapping IDiscriminatorMappingProvider.GetDiscriminatorMapping()
{
var mapping = new DiscriminatorMapping(attributes.Clone())
{
ContainingEntityType = entity,
};
mapping.Set(x => x.Type, Layer.Defaults, discriminatorValueType);
var columnMapping = new ColumnMapping(columnAttributes.Clone());
columnMapping.Set(x => x.Name, Layer.Defaults, columnName);
mapping.AddColumn(Layer.Defaults, columnMapping);
return(mapping);
}