private BsonSerializationInfo GetSerializationInfoMember(IBsonSerializer serializer, MemberExpression memberExpression)
{
var declaringType = memberExpression.Expression.Type;
var memberName = memberExpression.Member.Name;
var containingExpression = memberExpression.Expression;
if (containingExpression.Type == DocumentType)
{
try
{
return serializer.GetMemberSerializationInfo(memberName);
}
catch (NotSupportedException)
{
var message = string.Format("LINQ queries on fields or properties of class {0} are not supported because the serializer for {0} does not implement the GetMemberSerializationInfo method.", declaringType.Name);
throw new NotSupportedException(message);
}
}
else
{
var containingSerializationInfo = GetSerializationInfo(serializer, containingExpression);
try
{
var memberSerializationInfo = containingSerializationInfo.Serializer.GetMemberSerializationInfo(memberName);
return new BsonSerializationInfo(
containingSerializationInfo.ElementName + "." + memberSerializationInfo.ElementName,
memberSerializationInfo.Serializer,
memberSerializationInfo.NominalType,
memberSerializationInfo.SerializationOptions);
}
catch (NotSupportedException)
{
var message = string.Format("LINQ queries on fields or properties of class {0} are not supported because the serializer for {0} does not implement the GetMemberSerializationInfo method.", declaringType.Name);
throw new NotSupportedException(message);
}
}
}
