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From Chris Wolf <cwolf.a...@gmail.com>
Subject Re: What is the inverse of "lazy fetching"?
Date Tue, 08 Jan 2013 21:37:53 GMT
Ok, good to know - thanks again.

On Tue, Jan 8, 2013 at 4:35 PM, Kevin Sutter <kwsutter@gmail.com> wrote:
> On Tue, Jan 8, 2013 at 2:59 PM, Chris Wolf <cwolf.algo@gmail.com> wrote:
>
>> Ok, I think I have it all straight now and I really appreciate you
>> hanging in there to answer my questions.  In closing, I'll make some
>> remarks, which are not time-critical to answer, since your answers
>> have already provided all I need to proceed.  However:
>>
>> 1.) You said the DelayCollectionLoading was relatively new - so what
>> would people do in the scenario of one-to-many (or m-2-m)
>>     and having huge numbers of child entities, before this feature was
>> introduced?
>>
>
> Why do you think we introduced this feature?  :-)  Seriously, this was a
> concern.  If a one-to-many collection had a ton of elements, you better
> hope they were running on a 64bit jvm and had plenty of memory...
>
>
>> 2.) What do other OR mapping providers do?  e.g. Hibernate or Datanucleus
>> JDO?
>>
>
> I believe Hibernate has similar functionality.  I have no idea if
> Datanucleus does or not.
>
>
>>
>> Thanks again,
>>
>> Chris
>>
>>
>> On Tue, Jan 8, 2013 at 3:47 PM, Kevin Sutter <kwsutter@gmail.com> wrote:
>> > On Tue, Jan 8, 2013 at 2:20 PM, Chris Wolf <cwolf.algo@gmail.com> wrote:
>> >
>> >> Or is "non-indexed" referring to not traversing the collection while
>> >> adding or removing?
>> >>
>> >
>> > Correct.
>> >
>> > The word "proxy" is overloaded and is used in several contexts.  OpenJPA
>> > proxies Collections (and a few other types like Dates and Timestamps) so
>> > that we can monitor updates to these object types.  But, that is totally
>> > separate from the enhancement proxy mechanism that some JPA vendors
>> provide
>> > to monitor updates to the whole Entity.
>> >
>> > Good questions!
>> > Kevin
>>

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