private static FastCreate GetFastCreate(Type memberType, MapperCollection mapperCollection, bool isList, bool isDynamic)
{
return(memberType.IsAClass() || isDynamic
? (new FastCreate(isList
? memberType.GetGenericArguments().First()
: memberType, mapperCollection))
: null);
}
public static Func <object, object> GetConverter(MapperCollection mapper, PocoColumn pc, Type srcType, Type dstType)
{
Func <object, object> converter = null;
// Get converter from the mapper
if (mapper != null)
{
converter = pc?.MemberInfoData != null?mapper.Find(x => x.GetFromDbConverter(pc.MemberInfoData.MemberInfo, srcType)) : mapper.Find(x => x.GetFromDbConverter(dstType, srcType));
if (converter != null)
{
return(converter);
}
}
if (pc != null &&
pc.SerializedColumn)
{
converter = src => DatabaseFactory.ColumnSerializer.Deserialize((string)src, dstType);
return(converter);
}
// Standard DateTime->Utc mapper
if (pc != null &&
pc.ForceToUtc &&
srcType == typeof(DateTime) &&
(dstType == typeof(DateTime) || dstType == typeof(DateTime?)))
{
converter = src => new DateTime(((DateTime)src).Ticks, DateTimeKind.Utc);
return(converter);
}
//Todo:The following changes were done to NPoco
#region "Changes"
// DateTime->DateTimeOffset
if (pc != null &&
srcType == typeof(DateTime) &&
(dstType == typeof(DateTimeOffset) || dstType == typeof(DateTimeOffset?)))
{
converter = src => new DateTimeOffset((DateTime)src);
return(converter);
}
// DateTimeOffset --> DateTime
if (pc != null &&
srcType == typeof(DateTimeOffset) &&
(dstType == typeof(DateTime) || dstType == typeof(DateTime?)))
{
converter = src => (DateTime)src;
return(converter);
}
#endregion
// Forced type conversion including integral types -> enum
var underlyingType = UnderlyingTypes.Get(dstType, () => Nullable.GetUnderlyingType(dstType));
if (dstType.GetTypeInfo().IsEnum ||
(underlyingType != null && underlyingType.GetTypeInfo().IsEnum))
{
if (srcType == typeof(string))
{
converter = src => EnumMapper.EnumFromString(underlyingType ?? dstType, (string)src);
return(converter);
}
if (IsIntegralType(srcType))
{
converter = src => Enum.ToObject(underlyingType ?? dstType, src);
return(converter);
}
}
else if (!dstType.IsAssignableFrom(srcType))
{
converter = src => Convert.ChangeType(src, underlyingType ?? dstType, null);
}
return(converter);
}
public PocoData(Type type, MapperCollection mapper) : this()
{
this.Type = type;
this.Mapper = mapper;
}
public PocoDataFactory(MapperCollection mapper)
{
this._mapper = mapper;
}
public PocoDataBuilder(Type type, MapperCollection mapper)
{
this.Type = type;
this.Mapper = mapper;
}
private IEnumerable <PocoMemberPlan> GetPocoMembers(MapperCollection mapper, ColumnInfo[] columnInfos, List <MemberInfo> memberInfos, string prefix = null)
{
MemberInfo[] capturedMembers = memberInfos.ToArray();
string capturedPrefix = prefix;
foreach (ColumnInfo columnInfo in columnInfos)
{
if (columnInfo.IgnoreColumn)
{
continue;
}
Type memberInfoType = columnInfo.MemberInfo.GetMemberInfoType();
if (columnInfo.ReferenceType == ReferenceType.Many)
{
memberInfoType = memberInfoType.GetGenericArguments().First();
}
PocoMemberPlan[] childrenPlans = new PocoMemberPlan[0];
TableInfoPlan childTableInfoPlan = null;
List <MemberInfo> members = new List <MemberInfo>(capturedMembers)
{
columnInfo.MemberInfo
};
if (columnInfo.ComplexMapping || columnInfo.ReferenceType != ReferenceType.None)
{
if (capturedMembers.GroupBy(x => x.GetMemberInfoType()).Any(x => x.Count() >= 2))
{
continue;
}
ColumnInfo[] childColumnInfos = this.GetColumnInfos(memberInfoType);
if (columnInfo.ReferenceType != ReferenceType.None)
{
childTableInfoPlan = this.GetTableInfo(memberInfoType, childColumnInfos, members);
}
string newPrefix = JoinStrings(capturedPrefix, columnInfo.ReferenceType != ReferenceType.None ? "" : (columnInfo.ComplexPrefix ?? columnInfo.MemberInfo.Name));
childrenPlans = this.GetPocoMembers(mapper, childColumnInfos, members, newPrefix).ToArray();
}
MemberInfo capturedMemberInfo = columnInfo.MemberInfo;
ColumnInfo capturedColumnInfo = columnInfo;
List <MemberAccessor> accessors = this.GetMemberAccessors(members);
Type memberType = capturedMemberInfo.GetMemberInfoType();
bool isList = IsList(capturedMemberInfo);
Type listType = GetListType(memberType, isList);
bool isDynamic = capturedMemberInfo.IsDynamic();
FastCreate fastCreate = GetFastCreate(memberType, mapper, isList, isDynamic);
string columnName = this.GetColumnName(capturedPrefix, capturedColumnInfo.ColumnName ?? capturedMemberInfo.Name);
MemberInfoData memberInfoData = new MemberInfoData(capturedMemberInfo);
yield return(tableInfo =>
{
PocoColumn pc = new PocoColumn
{
ReferenceType = capturedColumnInfo.ReferenceType,
TableInfo = tableInfo,
MemberInfoData = memberInfoData,
MemberInfoChain = members,
ColumnName = columnName,
ResultColumn = capturedColumnInfo.ResultColumn,
ForceToUtc = capturedColumnInfo.ForceToUtc,
ComputedColumn = capturedColumnInfo.ComputedColumn,
ComputedColumnType = capturedColumnInfo.ComputedColumnType,
ColumnType = capturedColumnInfo.ColumnType,
ColumnAlias = capturedColumnInfo.ColumnAlias,
VersionColumn = capturedColumnInfo.VersionColumn,
VersionColumnType = capturedColumnInfo.VersionColumnType,
SerializedColumn = capturedColumnInfo.SerializedColumn
};
pc.SetMemberAccessors(accessors);
TableInfo childrenTableInfo = childTableInfoPlan == null ? tableInfo : childTableInfoPlan();
List <PocoMember> children = childrenPlans.Select(plan => plan(childrenTableInfo)).ToList();
// Cascade ResultColumn down
foreach (PocoMember child in children.Where(child => child.PocoColumn != null && pc.ResultColumn))
{
child.PocoColumn.ResultColumn = true;
}
PocoMember pocoMember = new PocoMember()
{
MemberInfoData = memberInfoData,
MemberInfoChain = members,
IsList = isList,
IsDynamic = isDynamic,
PocoColumn = capturedColumnInfo.ComplexMapping ? null : pc,
ReferenceType = capturedColumnInfo.ReferenceType,
ReferenceMemberName = capturedColumnInfo.ReferenceMemberName,
PocoMemberChildren = children,
};
pocoMember.SetMemberAccessor(accessors[accessors.Count - 1], fastCreate, listType);
return pocoMember;
});
}
}
public FastCreate(Type type, MapperCollection mapperCollection)
{
this._type = type;
this._mapperCollection = mapperCollection;
this.CreateDelegate = this.GetCreateDelegate();
}
