/// <summary>
/// Deserilizes an instance from BSONDocument.
/// If instance is not pre-allocated (result=null) tries to create a type
/// decorated with BSONSerializableAttribute(guid)
/// </summary>
public IBSONDeserializable Deserialize(BSONDocument doc, IBSONDeserializable result = null)
{
object ctx = null;
if (result == null)
{
var telm = doc[TypeIDFieldName] as BSONBinaryElement;
if (telm == null)
{
throw new BSONException(StringConsts.BSON_DESERIALIZER_DOC_MISSING_TID_ERROR.Args(TypeIDFieldName));
}
var tid = telm.Value.Data.AsGUID(Guid.Empty);
if (tid == Guid.Empty)
{
throw new BSONException(StringConsts.BSON_DESERIALIZER_DOC_TID_GUID_ERROR.Args(TypeIDFieldName, telm.Value));
}
try
{
var tresult = m_Resolver.Resolve(tid);
result = SerializationUtils.MakeNewObjectInstance(tresult) as IBSONDeserializable;
if (result == null)
{
throw new BSONException("result isnot IBSONDeserializable");
}
}
catch (Exception error)
{
throw new BSONException(StringConsts.BSON_DESERIALIZER_MAKE_TYPE_ERROR.Args(tid, error.ToMessageWithType()), error);
}
}
try
{
result.DeserializeFromBSON(this, doc, ref ctx);
}
catch (Exception error)
{
throw new BSONException(StringConsts.BSON_DESERIALIZER_DFB_ERROR.Args(error.ToMessageWithType()), error);
}
return(result);
}
