internal NormalizedSerializer(Type t) : base(t)
{
SqlUserDefinedTypeAttribute udtAttr = SerializationHelperSql9.GetUdtAttribute(t);
_normalizer = new BinaryOrderedUdtNormalizer(t, true);
_isFixedSize = udtAttr.IsFixedLength;
_maxSize = _normalizer.Size;
}
private static object[] GetCustomAttributes(Type t)
{
object[] attrs = t.GetCustomAttributes(typeof(SqlUserDefinedTypeAttribute), false);
// If we don't find a Microsoft.Data.SqlClient.Server.SqlUserDefinedTypeAttribute,
// search for a Microsoft.SqlServer.Server.SqlUserDefinedTypeAttribute from the
// old System.Data.SqlClient assembly and copy it to our
// Microsoft.Data.SqlClient.Server.SqlUserDefinedTypeAttribute for reference.
if (attrs == null || attrs.Length == 0)
{
object[] attr = t.GetCustomAttributes(false);
attrs = new object[0];
if (attr != null && attr.Length > 0)
{
for (int i = 0; i < attr.Length; i++)
{
if (attr[i].GetType().FullName.Equals("Microsoft.SqlServer.Server.SqlUserDefinedTypeAttribute"))
{
SqlUserDefinedTypeAttribute newAttr = null;
PropertyInfo[] sourceProps = attr[i].GetType().GetProperties();
foreach (PropertyInfo sourceProp in sourceProps)
{
if (sourceProp.Name.Equals("Format"))
{
newAttr = new SqlUserDefinedTypeAttribute((Format)sourceProp.GetValue(attr[i], null));
break;
}
}
if (newAttr != null)
{
foreach (PropertyInfo targetProp in newAttr.GetType().GetProperties())
{
if (targetProp.CanRead && targetProp.CanWrite)
{
object copyValue = attr[i].GetType().GetProperty(targetProp.Name).GetValue(attr[i]);
targetProp.SetValue(newAttr, copyValue);
}
}
}
attrs = new object[1] {
newAttr
};
break;
}
}
}
}
return(attrs);
}
internal static SqlUserDefinedTypeAttribute GetUdtAttribute(Type t)
{
SqlUserDefinedTypeAttribute udtAttr = null;
object[] attr = GetCustomAttributes(t);
if (attr != null && attr.Length == 1)
{
udtAttr = (SqlUserDefinedTypeAttribute)attr[0];
}
else
{
throw InvalidUdtException.Create(t, Strings.SqlUdtReason_NoUdtAttribute);
}
return(udtAttr);
}
// Create a new serializer for the given type.
private static Serializer GetNewSerializer(Type t)
{
SqlUserDefinedTypeAttribute udtAttr = GetUdtAttribute(t);
switch (udtAttr.Format)
{
case Format.Native:
return(new NormalizedSerializer(t));
case Format.UserDefined:
return(new BinarySerializeSerializer(t));
case Format.Unknown: // should never happen, but fall through
default:
throw ADP.InvalidUserDefinedTypeSerializationFormat(udtAttr.Format);
}
}
internal static SqlUserDefinedTypeAttribute GetUdtAttribute(Type t)
{
SqlUserDefinedTypeAttribute udtAttr = null;
object[] attr = GetCustomAttributes(t);
if (attr != null && attr.Length == 1)
{
udtAttr = (SqlUserDefinedTypeAttribute)attr[0];
}
else
{
Type InvalidUdtExceptionType = typeof(InvalidUdtException);
var arguments = new Type[] { typeof(Type), typeof(String) };
MethodInfo Create = InvalidUdtExceptionType.GetMethod("Create", arguments);
Create.Invoke(null, new object[] { t, Strings.SqlUdtReason_NoUdtAttribute });
}
return(udtAttr);
}
