private void MapInheritanceTree(Type classType, ClassMappingBase mapping, IList <string> mappedProperties)
{
var discriminatorSet = false;
var isDiscriminated = expressions.IsDiscriminated(classType);
foreach (var inheritedClass in mappingTypes.Where(q =>
q.Type.BaseType == classType &&
!expressions.IsConcreteBaseType(q.Type.BaseType)))
{
if (isDiscriminated && !discriminatorSet && mapping is ClassMapping)
{
var discriminatorColumn = expressions.DiscriminatorColumn(classType);
var discriminator = new DiscriminatorMapping
{
ContainingEntityType = classType,
Type = new TypeReference(typeof(string))
};
discriminator.AddDefaultColumn(new ColumnMapping {
Name = discriminatorColumn
});
((ClassMapping)mapping).Discriminator = discriminator;
discriminatorSet = true;
}
ISubclassMapping subclassMapping;
var subclassStrategy = expressions.SubclassStrategy(classType);
if (subclassStrategy == SubclassStrategy.JoinedSubclass)
{
// TODO: This id name should be removed. Ideally it needs to be set by a
// default and be overridable by a convention (preferably the ForeignKey convention
// that already exists)
var subclass = new JoinedSubclassMapping
{
Type = inheritedClass.Type
};
subclass.Key = new KeyMapping();
subclass.Key.AddDefaultColumn(new ColumnMapping {
Name = mapping.Type.Name + "_id"
});
subclassMapping = subclass;
}
else
{
subclassMapping = new SubclassMapping();
}
MapSubclass(mappedProperties, subclassMapping, inheritedClass);
mapping.AddSubclass(subclassMapping);
MergeMap(inheritedClass.Type, (ClassMappingBase)subclassMapping, mappedProperties);
}
}
public override string GetDiscriminatorColumn(Type type)
{
if (expressions.DiscriminatorColumn != null)
{
return(expressions.DiscriminatorColumn(type));
}
return(base.GetDiscriminatorColumn(type));
}
