[mapguide-users] Creating mark ups / redlining using anything other than SDF

[r0ss]

Dave,

 

To outline what we're trying to accomplish based on some business
requirements:

 

1.       Users can create two types of redlines; private and public,  both
of which are permanent and/or temporary. 

2.       The creator of the redline can determine if it gets deleted.

3.       They may be quasi temporary in that they may only last a week or
so, but not session temporary

4.       Multiple users can view and/or edit the public mark-ups only, add,
update, delete items etc concurrently.

 

The private ones seem to be fine, although multiple users may be
concurrently editing private redlines too. This all seems to go awry when
multiple users concurrently edit public redlines that where created
programmatically using the API feature service.

 

Regards

 

R0ss

 

 

From: mapguide-users-bounces at lists.osgeo.org
[mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Dave Wilson
Sent: April-22-08 1:13 PM
To: MapGuide Users Mail List
Subject: RE: [mapguide-users] Creating mark ups / redlining using anything
other than SDF

 

Are the markups permanent or temporary: this may have a big impact on the
approach you can take? If temporary they should be created in the Session
Repository which should at least avoid whatever may be causing corruption of
the main repository. If users are creating their own markups do they need to
share the same resource? Why can't they each have their own temporary
session based SDF? This will probably avoid any corruption.

 

The fact that you are trying to delete them suggests they are somewhat
temporary. If they were created based on the session id then when the
session expires you might create a process to delete the expired ones. Just
a thought.

 

Dave

 

From: mapguide-users-bounces at lists.osgeo.org
[mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of r0ss
Sent: Tuesday, April 22, 2008 12:11 PM
To: 'MapGuide Users Mail List'
Subject: [mapguide-users] Creating mark ups / redlining using anything other
than SDF
Importance: High

 

All,

 

We have encountered a critical flaw with MapGuide in particular the
undocumented use of the SDF format to create multi user based red lines -
the default samples all highlight this is the approach. 

 

As an example, we created an application that allows users to each create,
modify and display redlines from the same SDF file (as per the sample).  We
were recently informed by Autodesk that the SDF format is not meant to serve
as a mutli-user creation format (which is an undocumented feature by the
way!). 

 

During our testing when multiple users create redlines at the same time -
the repository become corrupt and forces us restore the previous MapGuide
package (does anyone know how to automate the deletion of SDF files in the
repository without knowing the names of the repository names - i.e. the
users create redlines and we do not know the repository names)

 

The big ask:

Does anyone have any experience creating redlines in anything other than
SDF, notable SQL Server 2005, GML, KML, etc (we are not an Oracle or PostGIS
shop) or any other work arounds we would greatly appreciated we are at a
loss and in a time crunch.

Regards

 

R0ss

 

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