[Building Sakai] Investigating site exports from Sakai 2

[Speelmon, Lance Day]

Okay - after some more investigation, I have reached the following conclusions.  I have yet to hear about anyone depending on ArchiveService.archive().  If I continue to hear nothing, I will have to assume no one is using it.

Based on sakai-2.6.0 artifacts, I believe the following to be accurate. This tells us that services that claim to support ArchiveService.archive() should export to XML(/ZIP?) but need to be tested. Those services which do support transferCopyEntities() but do not support archive() are the obvious gaps that need to be filled; e.g.: GlossaryEntityProducer, GradebookEntityProducer, MatrixContentEntityProducer, MetaobjEntityProducer, PresentationContentEntityProducer, SAMigo->AssessmentEntityProducer, and WizardEntityProducer. With those gaps filled, we would at least reach parity with the tools that currently support copying site structure from one site to another. This summary only includes tools and services which ship with Sakai 2.6.0 and do not account for contrib or other third party tools.

See: http://confluence.sakaiproject.org//x/jgL5Aw

<http://confluence.sakaiproject.org//x/jgL5Aw>Remaining questions:

 1.  Does anyone actually depend on ArchiveService.archive()? My instincts tell me no since most of the tools do not implement it. Am I wrong?
 2.  Could we usurp the ArchiveService.archive() interface and change the behavior so that only site structure is exported without student content?
 3.  Do we leave ArchiveService.archive() alone and create a new API? Probably harder to get into a soon to be released Sakai (e.g. Sakai 2.7.0).

Lance Speelmon
Scholarly Technologist

On Sep 22, 2009, at 10:26 PM, Speelmon, Lance Day wrote:

I would greatly appreciate your input regarding exporting Sakai 2 sites to XML.  See:

http://lancespeelmon.wordpress.com/2009/09/22/investigating-site-exports-from-sakai-2/

<http://lancespeelmon.wordpress.com/2009/09/22/investigating-site-exports-from-sakai-2/>Key questions:


 1.  Does anyone actually depend on ArchiveService.archive()? My instincts tell me no since most of the tools do not implement it. Am I wrong?
 2.  Could we usurp the ArchiveService.archive() interface and change the behavior so that only site structure is exported without student content?
 3.  Do we leave ArchiveService.archive() alone and create a new API?
 4.  How many tools still need to implement archive()?

Thanks, L


Lance Speelmon
Scholarly Technologist

On Aug 17, 2009, at 4:53 PM, Speelmon, Lance Day wrote:

As we prepare to start working on a Sakai 2 -> Sakai 3 migration effort, I would like to help organize community contributions.  There are a number of roles and skills that need to be filled and your participation would be highly valued.

What can be done immediately:

1) Collaborate on defining the migration project plan.
2) Investigate LTI as an underlying mechanism for exposing Sakai 2 tools within the Saki 3 portal.
3) Investigate Moodle's export/import architecture and file formats.
4) Develop a Sakai 2 Resources (i.e. ContentHosting) to Sakai 3 JCR data conversion.

If any of these tasks sound interesting or you have other ideas you would like to share, please use the wiki space below.  Please take the time to declare your area of interest on the Contributors page.

http://confluence.sakaiproject.org/display/KERNDOC/Migration

<http://confluence.sakaiproject.org/display/KERNDOC/Migration>Thanks!  L


Lance Speelmon
Scholarly Technologist

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