It would probably help if you posted some code. As far as I know, A and B in
what you described below should not only be equal objects, they should be
the exact same object. i.e. A == B should return true.
Jon
----- Original Message -----
From: "jeff" <jeffrey.blattman_at_yahoo.com>
To: <persistence_at_glassfish.dev.java.net>
Sent: Friday, March 16, 2007 11:10 AM
Subject: Re: calling equals() on a detached object
> hi jon,
>
> yes :) i did, and i've tested my impl of equals and it works in the simple
> POJO case.
>
> thanks.
>
> Jon Miller <jemiller_at_uchicago.edu> wrote: Did you override equals()?
>
> Jon
>
> ----- Original Message -----
> From: "jeff"
> To:
>
> Sent: Wednesday, March 14, 2007 7:25 PM
> Subject: calling equals() on a detached object
>
>
>> i'd like to be able to do this ...
>>
>> 1. create object A
>> 2. persist object A
>> 3. find() object B based on A's ID (they should be "equal()"
>> 4. detach B
>> 3. call A.equals(B) and get a true result
>>
>> i've done this, and it does not work. as far as i can tell w/ the
>> debugger, they are equal. the problem appears to be when a field of type
>> Set is compared.
>>
>> when i poke into B, and try to look into the Set, i have to bury way down
>> in some toplink objects before i find the right values for the set, but
>> they ARE in there somewhere.
>>
>> also, to make sure B is all fetched, i called B.equals(B) before
>> detaching, which should load everything i care about i think. if there's
>> a
>> better way to do this, i'd like to hear it :)
>>
>> when i call toString() on the Set inside of A and B, the format is
>> slightly different but it does contain the same data: for example ...
>>
>> A's set: [zipCodes=[11111, 22222, 33333]]
>> B's set: {{[zipCodes=[11111, 22222, 33333]]}}
>>
>> so i guess this means the same data is there, but i don't understand why
>> "equals" is failing.
>>
>> any ideas?
>> thanks.
>>
>>
>>
>>
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>
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