On 19 October 2014 07:04, Duncan Jones <djo...@apache.org> wrote:
> On 18 October 2014 06:25, Duncan Jones <dun...@wortharead.com> wrote:
>> On 17 October 2014 23:41, James Sawle <jamessa...@hotmail.com> wrote:
>>> How do you create new implementations of such basic functionality that is 
>>> so explicitly defined within the API? It is like suggesting that we write 
>>> 1+1 as 1+((1+1)-1) just to look different.
>>
>> I think sometimes it's about knowing you did it right. I will make a
>> clean room implementation when I apply the patch. It will certainly
>> look different anyway, since I'm not a personal fan of short if
>> statements.
>>
>>
>>> They should also be made public as they are still useful for Java 6 and 
>>> prior (and unfortunately there are many houses that still depend on them) 
>>> and they will continue to persist!
>>
>> I agree. There is benefit to having them in the current release. Lang
>> 4.0 is probably some way off and many poor souls will be trapped in
>> Java 6 (and hence Lang 3.x) for some time.
>
> So, I went ahead and added these as non-deprecated, publicly
> accessible methods. Happy to have that aspect discussed on the ML if
> anyone wants to change it.
>
> (These were clean room implementations just based on the Javadoc description).

FYI - my Jira access is borked (anyone else?) so I've not been able to
resolve LANG-536 yet. I'll do so when I'm next able to log in.

>
>>> Just an off point, even if we can not use the implementations in a Java 7 
>>> situation. As the code has been copyrighted for Java 7 plus, do we not have 
>>> right to use it for Java 6 or before.
>>
>> IANAL, but I'm pretty sure the fact that we need this code because we
>> have no access to Java 7 is not a reason for the licenses not to
>> apply.
>>
>> Duncan
>>
>>> Sent from my iPhone
>>>
>>>> On 17 Oct 2014, at 23:25, sebb <seb...@gmail.com> wrote:
>>>>
>>>>> On 17 October 2014 22:56, James Sawle <jamessa...@hotmail.com> wrote:
>>>>> Whilst the changes are the same as the Java 7 implementations, these in 
>>>>> fact came from OpenJDK implement ions and match the expected behaviour as 
>>>>> defined by the Javadoc. Any effort to change these so that that have less 
>>>>> resemblance to the Oracle implementation will just cause detrimental side 
>>>>> effects to performance.
>>>>
>>>> AIUI the OpenJDK license is GPLv2, which is not compatible with ALv2
>>>>
>>>> I think we need to create a clean-room implementation of the methods.
>>>>
>>>> These can be compared for speed against the OpenJDK versions.
>>>>
>>>> If they are much slower, then some effort might have to be expended to
>>>> speed them up (again without reference to the JDK version).  Given
>>>> that they are only needed temporarily, a minor slow-down is probably
>>>> OK.
>>>>
>>>>> We are not attempting to replace or capitalise Oracle functionality, but 
>>>>> merely polyfill it to precious Java versions. I think that the methods 
>>>>> should be removed as of Lang4 or if Java 7 becomes supported in Lang3 to 
>>>>> support this point.
>>>>
>>>> Yes, they should probably be removed when no longer needed.
>>>> If they can be excluded from the public API then that will be easy.
>>>>
>>>>> Sent from my iPhone
>>>>>
>>>>>> On 17 Oct 2014, at 12:45, Duncan Jones <djo...@apache.org> wrote:
>>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> James has authored a fine patch for LANG-536 (see below), but it does
>>>>>> include some code that exactly matches Java 7 source. Specifically,
>>>>>> the various compare(primitive, primitive) methods that have been added
>>>>>> to BooleanUtils, NumberUtils and CharUtils are identical to the
>>>>>> methods provided in Java 7 and above.
>>>>>>
>>>>>> Should we make some kind of syntactic changes to these methods to
>>>>>> avoid being accused of plagiarism? For instance, we could replace the
>>>>>> short-form if statements with the longer form. Or could we argue this
>>>>>> is just the canonical form of the method?
>>>>>>
>>>>>> Kind regards,
>>>>>>
>>>>>> Duncan
>>>>>>
>>>>>>
>>>>>>
>>>>>>> On 17 October 2014 01:02, jamessawle <g...@git.apache.org> wrote:
>>>>>>> GitHub user jamessawle opened a pull request:
>>>>>>>
>>>>>>>   https://github.com/apache/commons-lang/pull/32
>>>>>>>
>>>>>>>   Lang-536
>>>>>>>
>>>>>>>   Added new isSorted methods to the ArrayUtils class, along with 
>>>>>>> generic implementations.
>>>>>>>
>>>>>>>   Some of the primitive methods have needed reverse-engineered Java 7 
>>>>>>> 'compare' methods from their wrappers, so these have been added to 
>>>>>>> their respective Utils classes.
>>>>>>>
>>>>>>> You can merge this pull request into a Git repository by running:
>>>>>>>
>>>>>>>   $ git pull https://github.com/jamessawle/commons-lang LANG-536
>>>>>>>
>>>>>>> Alternatively you can review and apply these changes as the patch at:
>>>>>>>
>>>>>>>   https://github.com/apache/commons-lang/pull/32.patch
>>>>>>>
>>>>>>> To close this pull request, make a commit to your master/trunk branch
>>>>>>> with (at least) the following in the commit message:
>>>>>>>
>>>>>>>   This closes #32
>>>>>>>
>>>>>>> ----
>>>>>>> commit d5244ac66df9557ecb634a1478b4a7c29f2a1783
>>>>>>> Author: James Sawle <jamessa...@hotmail.com>
>>>>>>> Date:   2014-10-16T23:33:34Z
>>>>>>>
>>>>>>>   LANG-536 Added new isSorted methods, both generic and primitive. Some 
>>>>>>> of the primitive methods require reverse-engineered compare methods due 
>>>>>>> to them not being added to their wrapper classes until Java 7. Tests 
>>>>>>> for these are to be added.
>>>>>>>
>>>>>>> commit af379292f30c4269dfb9b51882c5fc954ce84c49
>>>>>>> Author: James Sawle <jamessa...@hotmail.com>
>>>>>>> Date:   2014-10-16T23:56:59Z
>>>>>>>
>>>>>>>   LANG-536 Added unit tests for new compare methods within Number, 
>>>>>>> Boolean and CharUtils.
>>>>>>>
>>>>>>> ----
>>>>>>>
>>>>>>>
>>>>>>> ---
>>>>>>> If your project is set up for it, you can reply to this email and have 
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>>>>>>> reply appear on GitHub as well. If your project does not have this 
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>>>>>>> enabled and wishes so, or if the feature is enabled but not working, 
>>>>>>> please
>>>>>>> contact infrastructure at infrastruct...@apache.org or file a JIRA 
>>>>>>> ticket
>>>>>>> with INFRA.
>>>>>>> ---
>>>>>>>

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