Hi,

Do we have the support for complex filters, pagination, sorting from the C5
user-core?

If not, we should support these since these are some major limitations we
had in C4 user-core and we should avoid those limitations in C5.

Thanks,

On Thu, Oct 20, 2016 at 9:41 AM, Vindula Jayawardana <[email protected]>
wrote:

> Hi Chamila,
>
> On Tue, Oct 18, 2016 at 4:18 PM, Chamila Wijayarathna <
> [email protected]> wrote:
>
>> Hi Johann, Vindula,
>>
>> On Tue, Oct 18, 2016 at 3:59 PM, Johann Nallathamby <[email protected]>
>> wrote:
>>
>>>
>>>
>>> On Tue, Oct 18, 2016 at 10:05 AM, Vindula Jayawardana <[email protected]>
>>> wrote:
>>>
>>>> Hi All,
>>>>
>>>> With the current user core implementation we support only the equal
>>>> filter (e.g. userName Eq "john"). However SCIM 2.0 specification [1]
>>>> specify total of 10 such simple filters and complex filters which are
>>>> combinations of simple filters using logical and grouping operators (e.g.
>>>> userType ne "Employee" and not (emails co "example.com" or
>>>> emails.value co "example.org")). As we are in the process of C5
>>>> implementation, have we considered the other filter type implementations as
>>>> well?
>>>>
>>>
>>> Yes we need to consider these features in the extended user-core
>>> implementation.
>>>
>>>>
>>>> Moreover if we are supporting the complex filters, are we supporting it
>>>> by simple filter by filter basis or the entire complex filter as a whole?
>>>> If we are looking for the simple filter by filter basis, there will be
>>>> performance issues as well.
>>>>
>>>
>>> It is better if we provide complex filters from extended user-core
>>> itself for performance reasons. However if time doesn't permit to implement
>>> all those APIs, we can have a scim UserManager implementation which will
>>> call multiple simple filters and combine the result and return. Obviously
>>> as you said performance of such implementation will be low. But it is
>>> acceptable as an interim solution until extended user-core implementation
>>> supports all the filters.
>>>
>> Can you please explain, what you refer as complex filters here? I think
>> we need to implement operators listed in table 3 and 4 in the specification
>> and implement a generic way to build complex queries reusing them. I don't
>> think it would be practical to more complex filters, there can be large
>> amount of complex filters that can be created by combining these simple
>> filter. Please correct me if I'm wrong.
>>
>
> What I meant by complex filters is exactly what you have mentioned above.
> Yes we can build large amount of complex filters (complex queries) by
> combining the simple filters using operators listed in table 3 and 4.
>
>>
>> Also what different would it made when we are handling these filters in
>> user-core level and when handling using scimUserManager level? Are you
>> reffering to the fact that when we need "username sw a" , we can retrieve
>> only  the users who have username start with 'a' from database/ldap, so
>> that we can achieve higher performance?
>>
>> In addition to that, I believe it would be good to consider other SCIM
>> operations such as sorting and pagination at the same time. If we can come
>> up with a generic design, that would be better. Otherwise, we'll have to
>> put a huge effort to embed those functionalities again.
>>
>
> Yes agree. We need a generic design which will ease our work in the long
> run.
>
>>
>> Cheers
>> -Chamila
>>
>>>
>>>> Any thoughts on the matter is highly appreciated.
>>>>
>>>> [1] https://tools.ietf.org/html/rfc7644#section-3.4.2.2
>>>>
>>>> Thank you,
>>>>
>>>> *Vindula Jayawardana*
>>>> Trainee Software Engineer
>>>> Mobile : +94 713 462554
>>>> [email protected]
>>>>
>>>
>>>
>>>
>>> --
>>> Thanks & Regards,
>>>
>>> *Johann Dilantha Nallathamby*
>>> Technical Lead & Product Lead of WSO2 Identity Server
>>> Governance Technologies Team
>>> WSO2, Inc.
>>> lean.enterprise.middleware
>>>
>>> Mobile - *+94777776950*
>>> Blog - *http://nallaa.wordpress.com <http://nallaa.wordpress.com>*
>>>
>>> _______________________________________________
>>> Dev mailing list
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>>>
>>>
>>
>>
>> --
>> Chamila Dilshan Wijayarathna,
>> PhD Research Student
>> The University of New South Wales (UNSW Canberra)
>> Australian Centre of Cyber Security
>> Australian Defence Force Academy
>> PO Box 7916, Canberra BA ACT 2610
>> Australia
>> Mobile:(+61)416895795
>>
>>
>
>
> --
> *Vindula Jayawardana*
> Trainee Software Engineer
> Mobile : +94 713 462554
> Email : [email protected]
>
> _______________________________________________
> Dev mailing list
> [email protected]
> http://wso2.org/cgi-bin/mailman/listinfo/dev
>
>


-- 
Regards,


*Darshana Gunawardana*Associate Technical Lead
WSO2 Inc.; http://wso2.com

*E-mail: [email protected] <[email protected]>*
*Mobile: +94718566859*Lean . Enterprise . Middleware
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