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| Re: [DataBinding] IdentityWrapper violates requirements for equals [message #448271 is a reply to message #448227] |
Thu, 20 April 2006 06:37   |
 Daniel Krügler
Messages: 853
Registered: July 2009 |
Senior Member |
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Brad Reynolds wrote:
> I was actually wanting to try to look at all of these and understand
> what you're needing but haven't had the time yet. Also 3.2 is winding
> down so Boris and David are both probably really busy and might not get
> to the posts anytime soon. Hopefully I didn't come off as sounding
> ungrateful or that I thought posting them here was wrong, just trying to
> ensure that they get addressed.
I absolutely understand, that time is critical now and your tone was
absolutely OK for me. As suggested in the bugzilla report, I attached a
proposed patch. I hope I did it as you usually do (I tried the "Create
patch" command the first time today and recognized some options
concerning the output format)
> What do you mean when you say "which actually aren't any because of
> reasons hidden to me?"
From a local perspective the equals implementation of IdentityWrapper is
buggy because there exists legal conditions when an NPE could arise.
But considering that this class is at least currently strictly internal,
one could argue, that the current internal use excludes situations where
the equals arguments could be null at all. Since I didn't proofed such
a critical situation in the currently existing internal source code
based on this class, I sayed "because of reasons hidden to me".
Btw.: There exists another internal inner (static) class, namely
ListenerSupport.IdentityWrapper
which is essentially a copy of the current global IdentityWrapper class,
that is, it has the same defect concerning its equals impl. May I
suggest to replace this complete class by the global (fixed)
IdentityWrapper class? I could also provide a patch, if you like.
Greetings from Bremen,
Daniel Krügler
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| Re: [DataBinding] IdentityWrapper violates requirements for equals [message #448281 is a reply to message #448271] |
Thu, 20 April 2006 13:16 |
Brad Reynolds
Messages: 309
Registered: July 2009 |
Senior Member |
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On 2006-04-20 00:37:48 -0600, Daniel Krügler <dsp@bdal.de> said:
> Brad Reynolds wrote:
>> I was actually wanting to try to look at all of these and understand
>> what you're needing but haven't had the time yet. Also 3.2 is winding
>> down so Boris and David are both probably really busy and might not get
>> to the posts anytime soon. Hopefully I didn't come off as sounding
>> ungrateful or that I thought posting them here was wrong, just trying
>> to ensure that they get addressed.
>
> I absolutely understand, that time is critical now and your tone was
> absolutely OK for me. As suggested in the bugzilla report, I attached a
> proposed patch. I hope I did it as you usually do (I tried the "Create
> patch" command the first time today and recognized some options
> concerning the output format)
It looks good. That's the way to do it, or at least that's how I do it.
>
>> What do you mean when you say "which actually aren't any because of
>> reasons hidden to me?"
>
> From a local perspective the equals implementation of IdentityWrapper is
> buggy because there exists legal conditions when an NPE could arise.
> But considering that this class is at least currently strictly internal,
> one could argue, that the current internal use excludes situations where
> the equals arguments could be null at all. Since I didn't proofed such
> a critical situation in the currently existing internal source code
> based on this class, I sayed "because of reasons hidden to me".
Thanks for the explanation, I understand now.
>
> Btw.: There exists another internal inner (static) class, namely
>
> ListenerSupport.IdentityWrapper
>
> which is essentially a copy of the current global IdentityWrapper class,
> that is, it has the same defect concerning its equals impl. May I
> suggest to replace this complete class by the global (fixed)
> IdentityWrapper class? I could also provide a patch, if you like.
If you have the time please provide the patch and a bug report.
They're always appreciated.
>
> Greetings from Bremen,
>
> Daniel Krügler
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