internal MemberMapping(MemberInfo member, MemberAttribute attribute, EntityMapping entity)
{
this.member = member;
this.entity = entity;
memberType = member.GetMemberType();
var isEnumerableType = memberType != Types.String
&& memberType != typeof(byte[])
&& Types.IEnumerable.IsAssignableFrom(memberType);
if (attribute == null)
{
InitializeConversionMapping(isEnumerableType);
}
else
InitializeAttributeMapping(attribute, isEnumerableType);
getter = member.GetGetter();
if (storageMember != null)
setter = storageMember.GetSetter();
else
setter = member.GetSetter();
if (columnName == null)
columnName = member.Name;
}
/// <summary>
/// 初始化约定映射
/// </summary>
/// <param name="isEnumerableType"></param>
private void InitializeConversionMapping(bool isEnumerableType)
{
if (!isEnumerableType)
{
var underlyingType = memberType;
if (underlyingType.IsNullable())
underlyingType = Nullable.GetUnderlyingType(underlyingType);
if (underlyingType.IsEnum)
underlyingType = Enum.GetUnderlyingType(underlyingType);
if (Converter.IsPrimitiveType(underlyingType)
|| memberType == typeof(byte[]))
{
isColumn = true;
columnName = MappingConversion.Current.ColumnName(member.Name);
bool required = false;
int length = 0;
sqlType = SqlType.Get(underlyingType);
isUpdatable = true;
if (EFDataAnnotiationAdapter.Instance != null)
PopulateEFDataAnnotitions();
if (DataAnnotationMappingAdapter.Instance != null)
{
object attr = null;
#if !SDK35
attr = member.GetCustomAttributes(DataAnnotationMappingAdapter.KeyAttributeType, false).FirstOrDefault();
isPrimaryKey = attr != null;
#endif
attr = member.GetCustomAttributes(DataAnnotationMappingAdapter.RequiredAttributeType, false).FirstOrDefault();
required = attr != null;
attr = member.GetCustomAttributes(DataAnnotationMappingAdapter.StringLengthAttributeType, false).FirstOrDefault();
if (attr != null)
length =(int) DataAnnotationMappingAdapter.Instance.StringLength.Length(attr);
}
sqlType = SqlType.Get(underlyingType, new ColumnAttribute { IsNullable = !required, Length = length });
}
else//manyToOne
{
isRelationship = true;
relatedEntityType = underlyingType;
isManyToOne = isRelationship && !isEnumerableType;
if (relatedEntityType == entity.entityType)
relatedEntity = entity;
if (DataAnnotationMappingAdapter.Instance != null)
{
#if !SDK35
var assAtt = member.GetCustomAttributes(DataAnnotationMappingAdapter.AssociationAttributeType, false).FirstOrDefault();
if (assAtt != null)
{
thisKey = DataAnnotationMappingAdapter.Instance.Association.ThisKey(assAtt) as string;
otherKey = DataAnnotationMappingAdapter.Instance.Association.OtherKey(assAtt) as string;
}
#endif
}
}
}
else
{
isRelationship = true;
relatedEntityType = ReflectionHelper.GetElementType(memberType);
isManyToOne = isRelationship && !isEnumerableType;
if (relatedEntityType == entity.entityType)
relatedEntity = entity;
if (DataAnnotationMappingAdapter.Instance != null)
{
#if !SDK35
var assAtt = member.GetCustomAttributes(DataAnnotationMappingAdapter.AssociationAttributeType, false).FirstOrDefault();
if (assAtt != null)
{
thisKey = DataAnnotationMappingAdapter.Instance.Association.ThisKey(assAtt) as string;
otherKey = DataAnnotationMappingAdapter.Instance.Association.OtherKey(assAtt) as string;
}
#endif
}
}
}
private void InitializeAssociationAttribute(bool isEnumerableType, AbstractAssociationAttribute association)
{
isManyToOne = association.isForeignKey;
if (isEnumerableType)
{
if (isManyToOne)
throw new MappingException("Foreign Key member type should be entity class not collection type.");
relatedEntityType = ReflectionHelper.GetElementType(memberType);
}
else
{
relatedEntityType = memberType;
}
thisKey = association.ThisKey;
otherKey = association.OtherKey;
if (relatedEntityType == entity.entityType)
relatedEntity = entity;
}
private static IMemberMapping[] GetReferencedMembers(string names, string sourceName, EntityMapping entity)
{
return names.Split(separators).Select(n => GetReferencedMember(n, sourceName, entity)).ToArray();
}
private static IMemberMapping GetReferencedMember(string name, string sourceName, EntityMapping entity)
{
var mm = entity.GetMappingMember(name);
if (mm == null)
throw new InvalidOperationException(string.Format(Res.AttrbuteMappingError, entity.entityType.Name, name, sourceName, entity.entityType.Name));
return mm;
}
internal void OnNotify(EntityMapping entityModel)
{
if (isRelationship)
{
if (entityModel == entity)
{
thisKeyMembers = GetReferencedMembers(thisKey, "Association.ThisKey", entity);
}
else if (relatedEntity == null)
{
if (relatedEntityType == entityModel.entityType)
relatedEntity = entityModel;
else if (relatedEntityType.FullName.Contains(DLinq.StrEntityRefType)
&& relatedEntityType.GetGenericArguments()[0] == entityModel.entityType)
relatedEntity = entityModel;
}
if (relatedEntity != null)
{
otherKeyMembers = GetReferencedMembers(otherKey, "Association.OtherKey", relatedEntity);
}
}
}
private static IMemberMapping GetReferencedMember(string name, string sourceName, EntityMapping entity)
{
var mm = entity.GetMappingMember(name);
if (mm == null)
{
throw new InvalidOperationException(string.Format(Res.AttrbuteMappingError, entity.entityType.Name, name, sourceName, entity.entityType.Name));
}
return(mm);
}
private static IMemberMapping[] GetReferencedMembers(string names, string sourceName, EntityMapping entity)
{
return(names.Split(separators).Select(n => GetReferencedMember(n, sourceName, entity)).ToArray());
}
/// <summary>
/// 初始化约定映射
/// </summary>
/// <param name="isEnumerableType"></param>
private void InitializeConversionMapping(bool isEnumerableType)
{
if (!isEnumerableType)
{
var underlyingType = memberType;
if (underlyingType.IsNullable())
{
underlyingType = Nullable.GetUnderlyingType(underlyingType);
}
if (underlyingType.IsEnum)
{
underlyingType = Enum.GetUnderlyingType(underlyingType);
}
if (Converter.IsPrimitiveType(underlyingType) ||
memberType == typeof(byte[]))
{
isColumn = true;
columnName = MappingConversion.Current.ColumnName(member.Name);
bool required = false;
int length = 0;
sqlType = SqlType.Get(underlyingType);
isUpdatable = true;
if (EFDataAnnotiationAdapter.Instance != null)
{
PopulateEFDataAnnotitions();
}
if (DataAnnotationMappingAdapter.Instance != null)
{
object attr = null;
#if !SDK35
attr = member.GetCustomAttributes(DataAnnotationMappingAdapter.KeyAttributeType, false).FirstOrDefault();
isPrimaryKey = attr != null;
#endif
attr = member.GetCustomAttributes(DataAnnotationMappingAdapter.RequiredAttributeType, false).FirstOrDefault();
required = attr != null;
attr = member.GetCustomAttributes(DataAnnotationMappingAdapter.StringLengthAttributeType, false).FirstOrDefault();
if (attr != null)
{
length = (int)DataAnnotationMappingAdapter.Instance.StringLength.Length(attr);
}
}
sqlType = SqlType.Get(underlyingType, new ColumnAttribute {
IsNullable = !required, Length = length
});
}
else//manyToOne
{
isRelationship = true;
relatedEntityType = underlyingType;
isManyToOne = isRelationship && !isEnumerableType;
if (relatedEntityType == entity.entityType)
{
relatedEntity = entity;
}
if (DataAnnotationMappingAdapter.Instance != null)
{
#if !SDK35
var assAtt = member.GetCustomAttributes(DataAnnotationMappingAdapter.AssociationAttributeType, false).FirstOrDefault();
if (assAtt != null)
{
thisKey = DataAnnotationMappingAdapter.Instance.Association.ThisKey(assAtt) as string;
otherKey = DataAnnotationMappingAdapter.Instance.Association.OtherKey(assAtt) as string;
}
#endif
}
}
}
else
{
isRelationship = true;
relatedEntityType = ReflectionHelper.GetElementType(memberType);
isManyToOne = isRelationship && !isEnumerableType;
if (relatedEntityType == entity.entityType)
{
relatedEntity = entity;
}
if (DataAnnotationMappingAdapter.Instance != null)
{
#if !SDK35
var assAtt = member.GetCustomAttributes(DataAnnotationMappingAdapter.AssociationAttributeType, false).FirstOrDefault();
if (assAtt != null)
{
thisKey = DataAnnotationMappingAdapter.Instance.Association.ThisKey(assAtt) as string;
otherKey = DataAnnotationMappingAdapter.Instance.Association.OtherKey(assAtt) as string;
}
#endif
}
}
}