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Subject: AW: [sdo] SDOSource, SDOResult and ContentHandler
Hi Blaise,
it was not my understanding that we all agreed that
setDocument is not necessary. I tried to respect Michaels proposal. (see
attached mail)
In Michaels use-case an SDO-aware framework is able to
handle DataObjects directly and creates the XMLDocument. For this use-case the
methods getHelperContext() and setDocument(...) are necessary at
SDOResult.
Example: SDOawareFramework.transform(Source,
Result);
Parameters: SDOSource and SDOResult
SDOSource.getDocument() ->
some modifications ->
SdoResult.getHelperContext() ->
optional: projection into the HelperContext
->
HelperContext.getXMLHelper().createDocument(...)
->
SDOResult.setDocument(...)
In my opinion it's worth having these methods in the
interface to support this use-case.
Your Option#3: I think it's ok to expose the options to the
interface too.
Stefan. Von: Blaise Doughan [mailto:blaise.doughan@oracle.com] Gesendet: Montag, 27. April 2009 21:57 An: Buennig, Stefan Cc: sdo@lists.oasis-open.org Betreff: Re: [sdo] SDOSource, SDOResult and ContentHandler I thought we had all agreed that only the supplier of the SDOResult Implementation could make use of the setDocument API, so that method is not required as the implementation could cast to their own implementation class. I think the following options for API exist: Option #1 - SDOSource/SDOResult Minimal API The following is the bare minimum API that is required. An SDOSource from one implementation can serve as input to another implementation, but there is no public API available to SDO savvy applications to optimize this process.
Option #2 - SDOSource/SDOResult Minimal API & Accessors The following API builds on option #1, accessors have been added to get the parameters used in the createSDOSource/SDOResult methods. Assuming API is added to SDO 3 that allows you to get the HelperContext from a DataObject, then some optimizations could be done.
Option #3 - SDOSource/SDOResult Full API & Accessors If SDO 3 does not add API to get the HelperContext from a DataObject then additional API would need to be added to get the HelperContext or XMLHelper.
-Blaise Buennig, Stefan wrote: 45E8ACF4DC4D7148AB9A906B6B216DAD02145819@dewdfe1m.wdf.sap.corp type="cite"> |
--- Begin Message ---
- From: "Michael Glavassevich" <mrglavas@ca.ibm.com>
- To: <sdo@lists.oasis-open.org>
- Date: Wed, 18 Mar 2009 19:39:00 +0200
Hi Stefan,
One comment on SDOResult:
To allow applications to work with SDO directly I would have expected a setDocument() method on SDOResult. This would allow an SDO-aware application to bypass the SAX events like they would be able to with SDOSource.
Thanks.
Michael Glavassevich
XML Parser Development
IBM Toronto Lab
E-mail: mrglavas@ca.ibm.com
E-mail: mrglavas@apache.org
"Buennig, Stefan" <stefan.buennig@sap.com> wrote on 03/18/2009 11:10:26 AM:
> Hi all,
> this is the new Code for SDOSource, SDOResult and the interfaces for
> SDOContentHandler and XMLHelper.
> As we agreed in the call, SDOSource is an abstract class now.
> Because of the implementation of SDOResult is trivial, I kept the
> concrete implementation.
> XMLHelper has factory methods for both SDOSource and SDOResult to besymmetric.
> XMLHelper has a factory method for the new SDOContentHandler.
> The options-parameters aren't Maps anymore but Objects as in the
> existing methods.
> Stefan.
>
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