Exemplo n.º 1
0
        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);
            }
        }
Exemplo n.º 2
0
        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))
            {
                if (isDiscriminated && !discriminatorSet && mapping is ClassMapping)
                {
                    var discriminatorColumn = cfg.GetDiscriminatorColumn(classType);
                    var discriminator       = new DiscriminatorMapping
                    {
                        ContainingEntityType = classType,
                        Type = new TypeReference(typeof(string))
                    };
                    discriminator.AddDefaultColumn(new ColumnMapping {
                        Name = discriminatorColumn
                    });

                    ((ClassMapping)mapping).Discriminator = discriminator;
                    discriminatorSet = true;
                }

                SubclassMapping subclassMapping;

                if (!isDiscriminated)
                {
                    subclassMapping = new SubclassMapping(SubclassType.JoinedSubclass)
                    {
                        Type = inheritedClass.Type
                    };
                    subclassMapping.Key = new KeyMapping();
                    subclassMapping.Key.AddDefaultColumn(new ColumnMapping {
                        Name = mapping.Type.Name + "_id"
                    });
                }
                else
                {
                    subclassMapping = new SubclassMapping(SubclassType.Subclass)
                    {
                        Type = inheritedClass.Type
                    }
                };

                // 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);
            }
        }

        bool HasDiscriminator(ClassMappingBase mapping)
        {
            if (mapping is ClassMapping && ((ClassMapping)mapping).Discriminator != null)
            {
                return(true);
            }

            return(false);
        }

        Dictionary <AutoMapType, AutoMapType> GetMappingTypesWithLogicalParents()
        {
            var excludedTypes = mappingTypes
                                .Where(x => cfg.IsConcreteBaseType(x.Type.BaseType))
                                .ToArray();
            var availableTypes = mappingTypes.Except(excludedTypes);
            var mappingTypesWithLogicalParents = new Dictionary <AutoMapType, AutoMapType>();

            foreach (var type in availableTypes)
            {
                mappingTypesWithLogicalParents.Add(type, GetLogicalParent(type.Type, availableTypes));
            }
            return(mappingTypesWithLogicalParents);
        }

        AutoMapType GetLogicalParent(Type type, IEnumerable <AutoMapType> availableTypes)
        {
            if (type.BaseType == typeof(object) || type.BaseType == null)
            {
                return(null);
            }

            var baseType = availableTypes.FirstOrDefault(x => x.Type == type.BaseType);

            if (baseType != null)
            {
                return(baseType);
            }

            return(GetLogicalParent(type.BaseType, availableTypes));
        }