public ColumnDescriptor(MappingSchema mappingSchema, ColumnAttribute columnAttribute,
MemberAccessor memberAccessor)
{
MappingSchema = mappingSchema;
MemberAccessor = memberAccessor;
MemberInfo = memberAccessor.MemberInfo;
if (MemberInfo.IsFieldEx())
{
var fieldInfo = (FieldInfo)MemberInfo;
MemberType = fieldInfo.FieldType;
}
else if (MemberInfo.IsPropertyEx())
{
var propertyInfo = (PropertyInfo)MemberInfo;
MemberType = propertyInfo.PropertyType;
}
MemberName = columnAttribute.MemberName ?? MemberInfo.Name;
ColumnName = columnAttribute.Name ?? MemberInfo.Name;
Transparent = columnAttribute.Transparent;
Storage = columnAttribute.Storage;
PrimaryKeyOrder = columnAttribute.PrimaryKeyOrder;
IsDiscriminator = columnAttribute.IsDiscriminator;
DataType = columnAttribute.DataType;
DbType = columnAttribute.DbType;
CreateFormat = columnAttribute.CreateFormat;
if (columnAttribute.HasLength())
{
Length = columnAttribute.Length;
}
if (columnAttribute.HasPrecision())
{
Precision = columnAttribute.Precision;
}
if (columnAttribute.HasScale())
{
Scale = columnAttribute.Scale;
}
var defaultCanBeNull = false;
if (columnAttribute.HasCanBeNull())
{
CanBeNull = columnAttribute.CanBeNull;
}
else
{
var na = mappingSchema.GetAttribute <NullableAttribute>(MemberInfo, attr => attr.Configuration);
if (na != null)
{
CanBeNull = na.CanBeNull;
}
else
{
CanBeNull = mappingSchema.GetCanBeNull(MemberType);
defaultCanBeNull = true;
}
}
if (columnAttribute.HasIsIdentity())
{
IsIdentity = columnAttribute.IsIdentity;
}
else
{
var a = mappingSchema.GetAttribute <IdentityAttribute>(MemberInfo, attr => attr.Configuration);
if (a != null)
{
IsIdentity = true;
}
}
SkipOnInsert = columnAttribute.HasSkipOnInsert() ? columnAttribute.SkipOnInsert : IsIdentity;
SkipOnUpdate = columnAttribute.HasSkipOnUpdate() ? columnAttribute.SkipOnUpdate : IsIdentity;
if (defaultCanBeNull && IsIdentity)
{
CanBeNull = false;
}
if (columnAttribute.HasIsPrimaryKey())
{
IsPrimaryKey = columnAttribute.IsPrimaryKey;
}
else
{
var a = mappingSchema.GetAttribute <PrimaryKeyAttribute>(MemberInfo, attr => attr.Configuration);
if (a != null)
{
IsPrimaryKey = true;
PrimaryKeyOrder = a.Order;
}
}
}
