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How to persist large objects? [message #330804]

Wed, 13 August 2008 18:26

Nikola Borisov

Messages: 10
Registered: July 2009

Junior Member

Hi All,

I'm developing a plugin for Eclipse and
I would like to associate with each of the files my Editor is editing a
text string. Unfortunately this text string is fairly big (around 50 K) so
i tried two things:

Creating a marker (one per file) and setting my string to one of the
properties on the file.... BOOM I got assertion failed: Marker property
value is too long.

Then i found out about setPersistentProperty on IResource ... (But the doc
says this one also has a limit of 2K ;(

I'm really sad now... Any other ideas of how to make my String persistent
across launches of Eclipse

Thanks
Nikola Borisov

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Re: How to persist large objects? [message #330845 is a reply to message #330804]

Thu, 14 August 2008 14:38

Paul E. Keyser

Messages: 878
Registered: July 2009

Senior Member

Nikola Borisov wrote:
> Hi All,
>
> I'm really sad now... Any other ideas of how to make my String
> persistent across launches of Eclipse
>

First a query -- this 50-K-string is distinct from the (I)File saved to
disk? (I guess so.)

Here's a suggestion -- in the "state location"
(<ode>Activator.getDefault().getStateLocation()</code>) of your plug-in,
write out (TXT? XML?) files that contain that String, with some sort of
id-system allowing you to associate the special file to the "regular"
(I)File.

-Paul

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Re: How to persist large objects? [message #330902 is a reply to message #330845]

Fri, 15 August 2008 17:38

Nikola Borisov

Messages: 10
Registered: July 2009

Junior Member

Thanks Paul,

Yes you are right it is not the file itself. My big string is in fact a
debug information that the compiler throws for the files, that lets me
know where I can place breakpoints. Usually people have a bin folder and
just make the compiler spit the compiled code there but that is not what i
want in my case.

I will try your suggestion of basically implementing my own persistence...
I was just hoping that there will be some platform way. Why is there a
limit on the amount of data you can store?

Thanks.

Nikola

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