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sorting options with resource save api [message #1785712]

Wed, 18 April 2018 16:59

Manu Mohan

Messages: 4
Registered: August 2017

Junior Member

Our resource entities are getting sorted using Ascii values which produces an ordering that is inconsistent with human logic while doing an resource save.
using resource.save().

For eg: text1, text2, text 10 gets sorted as text1, text10 , text 2

We expect it to be sorted as text1, text2, text10.

Is there any way to get the entries sorted while we do a resource save,

or is there any other way to approach it ?

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Re: sorting options with resource save api [message #1785715 is a reply to message #1785712]

Wed, 18 April 2018 17:20

Ed Willink

Messages: 7655
Registered: July 2009

Senior Member

Hi

This is a very common problem. https://www.eclipse.org/modeling/tmf/downloads/ shows Xtext 2.9.2 rather than 2.13.0 as the latest release.

I am not aware of EMF sorting things at all, so I suspect it may be your broken sorting algorithm.

If you want correctly sorted hybrid alphanumerics you need a hybrid alphanumeric comparator. Else number them as text001, text009, text010 etc.

Regards

Ed Willink

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