CS3/CS4 - Persistent data and different versions of plugin

Hi there,
In my plugin I have persistent data on e.g., the document and page items.
Say that I'm in version 1.0 of my plugin has a single persistent data field on the document, and that is wish to add a second field for version 1.1.
Does the SDK contain some form of functionallity for merging an old document into a new one that conform with the new fields?
Basically, my problem is that I do not know if I'm allowed to read the new persistent field in my ReadWrite function, since the current document could be created using version 1.0.
I guess that one solution is to tag the document with a version, and use that to determine the functionality of the ReadWrite function? However that do not seem as the most elegant solution...
I hope somebody understands my problem, and has a more sophisticated solution
Thanks
Kind regards Toke

There are basically two ways to deal with this situation.
The first is to let InDesign treat your data as a blob, include your own version number in the blob and parse the blob yourself based on the version number. In this scenario you generally keep your plug-in's version resources the same, so InDesign doesn't know you've changed data formats.
The second is the InDesign way, in that you define a schema resource for each format version of your plug-in. Doing this places constraints on your data, in that changes have to be moderately simple so that InDesign can apply changes to the older versions of your data to bring them up to the current schema.
See Schema.fh in the SDK.
The sample /Adobe_InDesign_CS4_Products_SDK/source/sdksamples/framelabel/FrmLbl.fr also uses schema resources.
The key is to be careful about syncing changes in your data with changes to your plug-in's format version numbers, as well as keeping your data simple enough for the schema system to update it. If you don't, then you need to get into schema updating code and a bunch more work.
Jon

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CS3/CS4 - Persistent data results in missing plugin warning

Hi,
In my plugin I add persistent data to kDocBoss and kSplineItemBoss.
If the users of my plugin sends a document to one that do not have the plugin, a missing plugin dialog is shown. This is not a big problem, however, users without the plugin are unable to package the document due to the missing plugin!
Is it possible to make InDesign discard persistent data if the plugin is not available, so that the document no more depends on the plugin?
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Kind regards Toke

Hi again,
IgnoreTags solved my problem
Kind regards Toke

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Always the
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> Also, will CS4 allow us to create files as either AS2
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David Stiller
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http://tinyurl.com/5j55cv
"Luck is the residue of good design."

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Hi All,
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Version:1
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PL/SQL Release 10.2.0.4.0 - Production
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d_charge_date
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select * from my_temp_table;
If i run this query in version 1 am getting the correct data..
v_name
d_charge_date
xxx
12/2/2012
yyy
10/23/2010
abc
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d_charge_date
xxx
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yyy
12/2/2011
abc
12/2/2011
If i remove the trunc from the insertion statement i didn't get the wrong data like above...
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Hi i think the global temporary table having this issue in version b what i have mentioned above.
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James,
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See
http://edocs.bea.com/wls/docs61/ejb/reference.html#1071686
"James Lawless" <[email protected]> wrote:
>
Hello all,
I am developing in an environment where multiple (web & enterprise) applications
are developed and deployed separately to the same clustered WebLogic
infrastructure.
The applications are all owned by the same company, and usually co-exist
quite
happily. I have a request from the business, for a new application I
am developing,
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click on
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information
together. I need some mechanism, whereby one application can access the
information
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options:
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the other
application, back from the client.
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to
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5) Is there another way for web applications to share information with
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Thanks,
James

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Originally Posted by mickers
Hi all,
We are in the (perhaps) odd place where we have 2 sites, one is at ZCM11.3, the other is at 11.2.4. I build all images for both sites (ZCM11.3) and them move the images to where they need to be.
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null

CS3/CS4 - Persistent data and different versions of plugin

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