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From Kiran Ayyagari <kayyag...@apache.org>
Subject Re: Dn should probably not implement Comparable
Date Tue, 15 Feb 2011 20:45:03 GMT
On Wed, Feb 16, 2011 at 1:50 AM, Emmanuel Lecharny <elecharny@gmail.com> wrote:
> On 2/15/11 9:15 PM, Kiran Ayyagari wrote:
>>
>> On Wed, Feb 16, 2011 at 12:39 AM, Emmanuel Lecharny<elecharny@gmail.com>
>>  wrote:
>>>
>>> On 2/15/11 8:00 PM, Kiran Ayyagari wrote:
>>>>
>>>> On Tue, Feb 15, 2011 at 8:53 PM, Emmanuel Lecharny<elecharny@gmail.com>
>>>>  wrote:
>>>>>
>>>>> Hi,
>>>>>
>>>>> the compareTo method has a semantic that probably does not applies to
>>>>> the
>>>>> Dn
>>>>> class : either two DNs are equals, or they are different, but they
>>>>> aren't
>>>>> superior or inferior, except if one is the parent of the other.
>>>>>
>>>>> As we already have a isParent and isChild methods, I suggest we remove
>>>>> the
>>>>> compareTo() methods (which is never used) and not implemen the
>>>>> Comparable<Dn>    interface.
>>>>>
>>>> I suggest we keep this, think of ordering the Entry objects while
>>>> performing an export
>>>> (sorting a huge number of entries won't be the ideal case, but when we
>>>> have a few entries which are fetched in an adhoc manner(i.e without
>>>> performing repetitive one level searches))
>>>
>>> The thing is that there is no way to order a list of DNs, as there is no
>>> such a MatchingRule as DnOrderingMatch. How do you order two DNs which
>>> RDN
>>> don't have the same AttributeType ?
>>>
>>> I have checked RFC 4517, and after having read it, I saw that comparing
>>> two
>>> DNs is just meant to check that they are equal, or not. No order is
>>> implied.
>>
>> how about using the isParent() and isChild() methods for that inside
>> the compareTo()
>
> yes, but still it's not possible to compare 2 DNs with the same parent...
> CompareTo() for DNs simply does not make sense :)
hmmm, just wondering why can't we compare the normalized values(which
are strings) of two DNs
>
>
> --
> Regards,
> Cordialement,
> Emmanuel Lécharny
> www.iktek.com
>
>



-- 
Kiran Ayyagari

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