# ActiveResource and inheritance

**URL:** <https://www.ruby-forum.com/t/activeresource-and-inheritance/173407>\
**Category:** Rails\
**Created:** [August 8, 2009, 3:49am UTC](https://www.ruby-forum.com/t/activeresource-and-inheritance/173407 "2009-08-08T03:49:45Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![slavix](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/b19c9b/32.png) [@slavix](https://www.ruby-forum.com/u/slavix)\
**Post date:** [August 8, 2009, 3:49am UTC](https://www.ruby-forum.com/t/activeresource-and-inheritance/173407/1 "2009-08-08T03:49:45Z")

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Quotation \< Document \< ActiveResource

doc = Document.find(id)

# GET [http://someurl/documents/](http://someurl/documents/).xml

# 

# …

# 

doc.class # =\> Document  
instantiates Document even when the record is a Quotation

How do get the doc to be instantiated as Quotation?

thanks, Slava